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提交 bb27f55e 编写于 作者: I Ingo Molnar
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Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core 

Fixes for perf/core:

 - Rename some perf_target methods to avoid double negation, from Namhyung Kim.
 - Revert change to use per task events with inheritance, from Namhyung Kim.
 - Events should start disabled till children starts running, from David Ahern.
Signed-off-by: NArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: NIngo Molnar <mingo@kernel.org>
上级 b732d439 5e1c81d9
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Showing with 3638 addition and 2147 deletion
Documentation/ABI/testing/sysfs-bus-hsi 0 → 100644
浏览文件 @ bb27f55e
What: /sys/bus/hsi
Date: April 2012
KernelVersion: 3.4
Contact: Carlos Chinea <carlos.chinea@nokia.com>
Description:
High Speed Synchronous Serial Interface (HSI) is a
serial interface mainly used for connecting application
engines (APE) with cellular modem engines (CMT) in cellular
handsets.
The bus will be populated with devices (hsi_clients) representing
the protocols available in the system. Bus drivers implement
those protocols.
What: /sys/bus/hsi/devices/.../modalias
Date: April 2012
KernelVersion: 3.4
Contact: Carlos Chinea <carlos.chinea@nokia.com>
Description: Stores the same MODALIAS value emitted by uevent
Format: hsi:<hsi_client device name>
Documentation/power/freezing-of-tasks.txt
浏览文件 @ bb27f55e
......@@ -9,7 +9,7 @@ architectures).
II. How does it work?
There are four per-task flags used for that, PF_NOFREEZE, PF_FROZEN, TIF_FREEZE
There are three per-task flags used for that, PF_NOFREEZE, PF_FROZEN
and PF_FREEZER_SKIP (the last one is auxiliary). The tasks that have
PF_NOFREEZE unset (all user space processes and some kernel threads) are
regarded as 'freezable' and treated in a special way before the system enters a
......@@ -17,30 +17,31 @@ suspend state as well as before a hibernation image is created (in what follows
we only consider hibernation, but the description also applies to suspend).
Namely, as the first step of the hibernation procedure the function
freeze_processes() (defined in kernel/power/process.c) is called. It executes
try_to_freeze_tasks() that sets TIF_FREEZE for all of the freezable tasks and
either wakes them up, if they are kernel threads, or sends fake signals to them,
if they are user space processes. A task that has TIF_FREEZE set, should react
to it by calling the function called __refrigerator() (defined in
kernel/freezer.c), which sets the task's PF_FROZEN flag, changes its state
to TASK_UNINTERRUPTIBLE and makes it loop until PF_FROZEN is cleared for it.
Then, we say that the task is 'frozen' and therefore the set of functions
handling this mechanism is referred to as 'the freezer' (these functions are
defined in kernel/power/process.c, kernel/freezer.c & include/linux/freezer.h).
User space processes are generally frozen before kernel threads.
freeze_processes() (defined in kernel/power/process.c) is called. A system-wide
variable system_freezing_cnt (as opposed to a per-task flag) is used to indicate
whether the system is to undergo a freezing operation. And freeze_processes()
sets this variable. After this, it executes try_to_freeze_tasks() that sends a
fake signal to all user space processes, and wakes up all the kernel threads.
All freezable tasks must react to that by calling try_to_freeze(), which
results in a call to __refrigerator() (defined in kernel/freezer.c), which sets
the task's PF_FROZEN flag, changes its state to TASK_UNINTERRUPTIBLE and makes
it loop until PF_FROZEN is cleared for it. Then, we say that the task is
'frozen' and therefore the set of functions handling this mechanism is referred
to as 'the freezer' (these functions are defined in kernel/power/process.c,
kernel/freezer.c & include/linux/freezer.h). User space processes are generally
frozen before kernel threads.
__refrigerator() must not be called directly. Instead, use the
try_to_freeze() function (defined in include/linux/freezer.h), that checks
the task's TIF_FREEZE flag and makes the task enter __refrigerator() if the
flag is set.
if the task is to be frozen and makes the task enter __refrigerator().
For user space processes try_to_freeze() is called automatically from the
signal-handling code, but the freezable kernel threads need to call it
explicitly in suitable places or use the wait_event_freezable() or
wait_event_freezable_timeout() macros (defined in include/linux/freezer.h)
that combine interruptible sleep with checking if TIF_FREEZE is set and calling
try_to_freeze(). The main loop of a freezable kernel thread may look like the
following one:
that combine interruptible sleep with checking if the task is to be frozen and
calling try_to_freeze(). The main loop of a freezable kernel thread may look
like the following one:
set_freezable();
do {
......@@ -53,7 +54,7 @@ following one:
(from drivers/usb/core/hub.c::hub_thread()).
If a freezable kernel thread fails to call try_to_freeze() after the freezer has
set TIF_FREEZE for it, the freezing of tasks will fail and the entire
initiated a freezing operation, the freezing of tasks will fail and the entire
hibernation operation will be cancelled. For this reason, freezable kernel
threads must call try_to_freeze() somewhere or use one of the
wait_event_freezable() and wait_event_freezable_timeout() macros.
......
Documentation/security/keys.txt
浏览文件 @ bb27f55e
......@@ -123,7 +123,7 @@ KEY SERVICE OVERVIEW
The key service provides a number of features besides keys:
(*) The key service defines two special key types:
(*) The key service defines three special key types:
(+) "keyring"
......@@ -137,6 +137,18 @@ The key service provides a number of features besides keys:
blobs of data. These can be created, updated and read by userspace,
and aren't intended for use by kernel services.
(+) "logon"
Like a "user" key, a "logon" key has a payload that is an arbitrary
blob of data. It is intended as a place to store secrets which are
accessible to the kernel but not to userspace programs.
The description can be arbitrary, but must be prefixed with a non-zero
length string that describes the key "subclass". The subclass is
separated from the rest of the description by a ':'. "logon" keys can
be created and updated from userspace, but the payload is only
readable from kernel space.
(*) Each process subscribes to three keyrings: a thread-specific keyring, a
process-specific keyring, and a session-specific keyring.
......
MAINTAINERS
浏览文件 @ bb27f55e
......@@ -3592,6 +3592,7 @@ S: Supported
F: drivers/net/wireless/iwlegacy/
INTEL WIRELESS WIFI LINK (iwlwifi)
M: Johannes Berg <johannes.berg@intel.com>
M: Wey-Yi Guy <wey-yi.w.guy@intel.com>
M: Intel Linux Wireless <ilw@linux.intel.com>
L: linux-wireless@vger.kernel.org
......@@ -7578,8 +7579,8 @@ F: Documentation/filesystems/xfs.txt
F: fs/xfs/
XILINX AXI ETHERNET DRIVER
M: Ariane Keller <ariane.keller@tik.ee.ethz.ch>
M: Daniel Borkmann <daniel.borkmann@tik.ee.ethz.ch>
M: Anirudha Sarangi <anirudh@xilinx.com>
M: John Linn <John.Linn@xilinx.com>
S: Maintained
F: drivers/net/ethernet/xilinx/xilinx_axienet*
......
Makefile
浏览文件 @ bb27f55e
VERSION = 3
PATCHLEVEL = 4
SUBLEVEL = 0
EXTRAVERSION = -rc4
EXTRAVERSION = -rc5
NAME = Saber-toothed Squirrel
# *DOCUMENTATION*
......
arch/arm/Kconfig
浏览文件 @ bb27f55e
......@@ -1186,6 +1186,15 @@ if !MMU
source "arch/arm/Kconfig-nommu"
endif
config ARM_ERRATA_326103
bool "ARM errata: FSR write bit incorrect on a SWP to read-only memory"
depends on CPU_V6
help
Executing a SWP instruction to read-only memory does not set bit 11
of the FSR on the ARM 1136 prior to r1p0. This causes the kernel to
treat the access as a read, preventing a COW from occurring and
causing the faulting task to livelock.
config ARM_ERRATA_411920
bool "ARM errata: Invalidation of the Instruction Cache operation can fail"
depends on CPU_V6 || CPU_V6K
......
arch/arm/boot/dts/msm8660-surf.dts
浏览文件 @ bb27f55e
......@@ -10,7 +10,7 @@
intc: interrupt-controller@02080000 {
compatible = "qcom,msm-8660-qgic";
interrupt-controller;
#interrupt-cells = <1>;
#interrupt-cells = <3>;
reg = < 0x02080000 0x1000 >,
< 0x02081000 0x1000 >;
};
......@@ -19,6 +19,6 @@
compatible = "qcom,msm-hsuart", "qcom,msm-uart";
reg = <0x19c40000 0x1000>,
<0x19c00000 0x1000>;
interrupts = <195>;
interrupts = <0 195 0x0>;
};
};
arch/arm/boot/dts/versatile-ab.dts
浏览文件 @ bb27f55e
......@@ -173,7 +173,7 @@
mmc@5000 {
compatible = "arm,primecell";
reg = < 0x5000 0x1000>;
interrupts = <22>;
interrupts = <22 34>;
};
kmi@6000 {
compatible = "arm,pl050", "arm,primecell";
......
arch/arm/boot/dts/versatile-pb.dts
浏览文件 @ bb27f55e
......@@ -41,7 +41,7 @@
mmc@b000 {
compatible = "arm,primecell";
reg = <0xb000 0x1000>;
interrupts = <23>;
interrupts = <23 34>;
};
};
};
......
arch/arm/configs/mini2440_defconfig
浏览文件 @ bb27f55e
......@@ -14,6 +14,8 @@ CONFIG_MODULE_FORCE_UNLOAD=y
# CONFIG_BLK_DEV_BSG is not set
CONFIG_BLK_DEV_INTEGRITY=y
CONFIG_ARCH_S3C24XX=y
# CONFIG_CPU_S3C2410 is not set
CONFIG_CPU_S3C2440=y
CONFIG_S3C_ADC=y
CONFIG_S3C24XX_PWM=y
CONFIG_MACH_MINI2440=y
......
arch/arm/include/asm/thread_info.h
浏览文件 @ bb27f55e
......@@ -118,6 +118,13 @@ extern void iwmmxt_task_switch(struct thread_info *);
extern void vfp_sync_hwstate(struct thread_info *);
extern void vfp_flush_hwstate(struct thread_info *);
struct user_vfp;
struct user_vfp_exc;
extern int vfp_preserve_user_clear_hwstate(struct user_vfp __user *,
struct user_vfp_exc __user *);
extern int vfp_restore_user_hwstate(struct user_vfp __user *,
struct user_vfp_exc __user *);
#endif
/*
......
arch/arm/include/asm/tls.h
浏览文件 @ bb27f55e
......@@ -7,6 +7,8 @@
.macro set_tls_v6k, tp, tmp1, tmp2
mcr p15, 0, \tp, c13, c0, 3 @ set TLS register
mov \tmp1, #0
mcr p15, 0, \tmp1, c13, c0, 2 @ clear user r/w TLS register
.endm
.macro set_tls_v6, tp, tmp1, tmp2
......@@ -15,6 +17,8 @@
mov \tmp2, #0xffff0fff
tst \tmp1, #HWCAP_TLS @ hardware TLS available?
mcrne p15, 0, \tp, c13, c0, 3 @ yes, set TLS register
movne \tmp1, #0
mcrne p15, 0, \tmp1, c13, c0, 2 @ clear user r/w TLS register
streq \tp, [\tmp2, #-15] @ set TLS value at 0xffff0ff0
.endm
......
arch/arm/kernel/irq.c
浏览文件 @ bb27f55e
......@@ -155,10 +155,10 @@ static bool migrate_one_irq(struct irq_desc *desc)
}
c = irq_data_get_irq_chip(d);
if (c->irq_set_affinity)
c->irq_set_affinity(d, affinity, true);
else
if (!c->irq_set_affinity)
pr_debug("IRQ%u: unable to set affinity\n", d->irq);
else if (c->irq_set_affinity(d, affinity, true) == IRQ_SET_MASK_OK && ret)
cpumask_copy(d->affinity, affinity);
return ret;
}
......
arch/arm/kernel/signal.c
浏览文件 @ bb27f55e
......@@ -180,44 +180,23 @@ static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame)
static int preserve_vfp_context(struct vfp_sigframe __user *frame)
{
struct thread_info *thread = current_thread_info();
struct vfp_hard_struct *h = &thread->vfpstate.hard;
const unsigned long magic = VFP_MAGIC;
const unsigned long size = VFP_STORAGE_SIZE;
int err = 0;
vfp_sync_hwstate(thread);
__put_user_error(magic, &frame->magic, err);
__put_user_error(size, &frame->size, err);
/*
* Copy the floating point registers. There can be unused
* registers see asm/hwcap.h for details.
*/
err |= __copy_to_user(&frame->ufp.fpregs, &h->fpregs,
sizeof(h->fpregs));
/*
* Copy the status and control register.
*/
__put_user_error(h->fpscr, &frame->ufp.fpscr, err);
/*
* Copy the exception registers.
*/
__put_user_error(h->fpexc, &frame->ufp_exc.fpexc, err);
__put_user_error(h->fpinst, &frame->ufp_exc.fpinst, err);
__put_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err);
if (err)
return -EFAULT;
return err ? -EFAULT : 0;
return vfp_preserve_user_clear_hwstate(&frame->ufp, &frame->ufp_exc);
}
static int restore_vfp_context(struct vfp_sigframe __user *frame)
{
struct thread_info *thread = current_thread_info();
struct vfp_hard_struct *h = &thread->vfpstate.hard;
unsigned long magic;
unsigned long size;
unsigned long fpexc;
int err = 0;
__get_user_error(magic, &frame->magic, err);
......@@ -228,33 +207,7 @@ static int restore_vfp_context(struct vfp_sigframe __user *frame)
if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE)
return -EINVAL;
vfp_flush_hwstate(thread);
/*
* Copy the floating point registers. There can be unused
* registers see asm/hwcap.h for details.
*/
err |= __copy_from_user(&h->fpregs, &frame->ufp.fpregs,
sizeof(h->fpregs));
/*
* Copy the status and control register.
*/
__get_user_error(h->fpscr, &frame->ufp.fpscr, err);
/*
* Sanitise and restore the exception registers.
*/
__get_user_error(fpexc, &frame->ufp_exc.fpexc, err);
/* Ensure the VFP is enabled. */
fpexc |= FPEXC_EN;
/* Ensure FPINST2 is invalid and the exception flag is cleared. */
fpexc &= ~(FPEXC_EX | FPEXC_FP2V);
h->fpexc = fpexc;
__get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err);
__get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err);
return err ? -EFAULT : 0;
return vfp_restore_user_hwstate(&frame->ufp, &frame->ufp_exc);
}
#endif
......
arch/arm/kernel/smp.c
浏览文件 @ bb27f55e
......@@ -510,10 +510,6 @@ static void ipi_cpu_stop(unsigned int cpu)
local_fiq_disable();
local_irq_disable();
#ifdef CONFIG_HOTPLUG_CPU
platform_cpu_kill(cpu);
#endif
while (1)
cpu_relax();
}
......@@ -576,17 +572,25 @@ void smp_send_reschedule(int cpu)
smp_cross_call(cpumask_of(cpu), IPI_RESCHEDULE);
}
#ifdef CONFIG_HOTPLUG_CPU
static void smp_kill_cpus(cpumask_t *mask)
{
unsigned int cpu;
for_each_cpu(cpu, mask)
platform_cpu_kill(cpu);
}
#else
static void smp_kill_cpus(cpumask_t *mask) { }
#endif
void smp_send_stop(void)
{
unsigned long timeout;
struct cpumask mask;
if (num_online_cpus() > 1) {
struct cpumask mask;
cpumask_copy(&mask, cpu_online_mask);
cpumask_clear_cpu(smp_processor_id(), &mask);
smp_cross_call(&mask, IPI_CPU_STOP);
}
cpumask_copy(&mask, cpu_online_mask);
cpumask_clear_cpu(smp_processor_id(), &mask);
smp_cross_call(&mask, IPI_CPU_STOP);
/* Wait up to one second for other CPUs to stop */
timeout = USEC_PER_SEC;
......@@ -595,6 +599,8 @@ void smp_send_stop(void)
if (num_online_cpus() > 1)
pr_warning("SMP: failed to stop secondary CPUs\n");
smp_kill_cpus(&mask);
}
/*
......
arch/arm/kernel/smp_twd.c
浏览文件 @ bb27f55e
......@@ -118,14 +118,10 @@ static int twd_cpufreq_transition(struct notifier_block *nb,
* The twd clock events must be reprogrammed to account for the new
* frequency. The timer is local to a cpu, so cross-call to the
* changing cpu.
*
* Only wait for it to finish, if the cpu is active to avoid
* deadlock when cpu1 is spinning on while(!cpu_active(cpu1)) during
* booting of that cpu.
*/
if (state == CPUFREQ_POSTCHANGE || state == CPUFREQ_RESUMECHANGE)
smp_call_function_single(freqs->cpu, twd_update_frequency,
NULL, cpu_active(freqs->cpu));
NULL, 1);
return NOTIFY_OK;
}
......
arch/arm/mach-exynos/clock-exynos4.c
浏览文件 @ bb27f55e
......@@ -497,25 +497,25 @@ static struct clk exynos4_init_clocks_off[] = {
.ctrlbit = (1 << 3),
}, {
.name = "hsmmc",
.devname = "s3c-sdhci.0",
.devname = "exynos4-sdhci.0",
.parent = &exynos4_clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 5),
}, {
.name = "hsmmc",
.devname = "s3c-sdhci.1",
.devname = "exynos4-sdhci.1",
.parent = &exynos4_clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 6),
}, {
.name = "hsmmc",
.devname = "s3c-sdhci.2",
.devname = "exynos4-sdhci.2",
.parent = &exynos4_clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 7),
}, {
.name = "hsmmc",
.devname = "s3c-sdhci.3",
.devname = "exynos4-sdhci.3",
.parent = &exynos4_clk_aclk_133.clk,
.enable = exynos4_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 8),
......@@ -1202,7 +1202,7 @@ static struct clksrc_clk exynos4_clk_sclk_uart3 = {
static struct clksrc_clk exynos4_clk_sclk_mmc0 = {
.clk = {
.name = "sclk_mmc",
.devname = "s3c-sdhci.0",
.devname = "exynos4-sdhci.0",
.parent = &exynos4_clk_dout_mmc0.clk,
.enable = exynos4_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 0),
......@@ -1213,7 +1213,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc0 = {
static struct clksrc_clk exynos4_clk_sclk_mmc1 = {
.clk = {
.name = "sclk_mmc",
.devname = "s3c-sdhci.1",
.devname = "exynos4-sdhci.1",
.parent = &exynos4_clk_dout_mmc1.clk,
.enable = exynos4_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 4),
......@@ -1224,7 +1224,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc1 = {
static struct clksrc_clk exynos4_clk_sclk_mmc2 = {
.clk = {
.name = "sclk_mmc",
.devname = "s3c-sdhci.2",
.devname = "exynos4-sdhci.2",
.parent = &exynos4_clk_dout_mmc2.clk,
.enable = exynos4_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 8),
......@@ -1235,7 +1235,7 @@ static struct clksrc_clk exynos4_clk_sclk_mmc2 = {
static struct clksrc_clk exynos4_clk_sclk_mmc3 = {
.clk = {
.name = "sclk_mmc",
.devname = "s3c-sdhci.3",
.devname = "exynos4-sdhci.3",
.parent = &exynos4_clk_dout_mmc3.clk,
.enable = exynos4_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 12),
......@@ -1340,10 +1340,10 @@ static struct clk_lookup exynos4_clk_lookup[] = {
CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &exynos4_clk_sclk_uart1.clk),
CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &exynos4_clk_sclk_uart2.clk),
CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &exynos4_clk_sclk_uart3.clk),
CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &exynos4_clk_sclk_mmc0.clk),
CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &exynos4_clk_sclk_mmc1.clk),
CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &exynos4_clk_sclk_mmc2.clk),
CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk),
CLKDEV_INIT("exynos4-sdhci.0", "mmc_busclk.2", &exynos4_clk_sclk_mmc0.clk),
CLKDEV_INIT("exynos4-sdhci.1", "mmc_busclk.2", &exynos4_clk_sclk_mmc1.clk),
CLKDEV_INIT("exynos4-sdhci.2", "mmc_busclk.2", &exynos4_clk_sclk_mmc2.clk),
CLKDEV_INIT("exynos4-sdhci.3", "mmc_busclk.2", &exynos4_clk_sclk_mmc3.clk),
CLKDEV_INIT("exynos4-fb.0", "lcd", &exynos4_clk_fimd0),
CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos4_clk_pdma0),
CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos4_clk_pdma1),
......
arch/arm/mach-exynos/clock-exynos5.c
浏览文件 @ bb27f55e
......@@ -455,25 +455,25 @@ static struct clk exynos5_init_clocks_off[] = {
.ctrlbit = (1 << 20),
}, {
.name = "hsmmc",
.devname = "s3c-sdhci.0",
.devname = "exynos4-sdhci.0",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 12),
}, {
.name = "hsmmc",
.devname = "s3c-sdhci.1",
.devname = "exynos4-sdhci.1",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 13),
}, {
.name = "hsmmc",
.devname = "s3c-sdhci.2",
.devname = "exynos4-sdhci.2",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 14),
}, {
.name = "hsmmc",
.devname = "s3c-sdhci.3",
.devname = "exynos4-sdhci.3",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 15),
......@@ -813,7 +813,7 @@ static struct clksrc_clk exynos5_clk_sclk_uart3 = {
static struct clksrc_clk exynos5_clk_sclk_mmc0 = {
.clk = {
.name = "sclk_mmc",
.devname = "s3c-sdhci.0",
.devname = "exynos4-sdhci.0",
.parent = &exynos5_clk_dout_mmc0.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 0),
......@@ -824,7 +824,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc0 = {
static struct clksrc_clk exynos5_clk_sclk_mmc1 = {
.clk = {
.name = "sclk_mmc",
.devname = "s3c-sdhci.1",
.devname = "exynos4-sdhci.1",
.parent = &exynos5_clk_dout_mmc1.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 4),
......@@ -835,7 +835,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc1 = {
static struct clksrc_clk exynos5_clk_sclk_mmc2 = {
.clk = {
.name = "sclk_mmc",
.devname = "s3c-sdhci.2",
.devname = "exynos4-sdhci.2",
.parent = &exynos5_clk_dout_mmc2.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 8),
......@@ -846,7 +846,7 @@ static struct clksrc_clk exynos5_clk_sclk_mmc2 = {
static struct clksrc_clk exynos5_clk_sclk_mmc3 = {
.clk = {
.name = "sclk_mmc",
.devname = "s3c-sdhci.3",
.devname = "exynos4-sdhci.3",
.parent = &exynos5_clk_dout_mmc3.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 12),
......@@ -990,10 +990,10 @@ static struct clk_lookup exynos5_clk_lookup[] = {
CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &exynos5_clk_sclk_uart1.clk),
CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &exynos5_clk_sclk_uart2.clk),
CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &exynos5_clk_sclk_uart3.clk),
CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &exynos5_clk_sclk_mmc0.clk),
CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk),
CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk),
CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk),
CLKDEV_INIT("exynos4-sdhci.0", "mmc_busclk.2", &exynos5_clk_sclk_mmc0.clk),
CLKDEV_INIT("exynos4-sdhci.1", "mmc_busclk.2", &exynos5_clk_sclk_mmc1.clk),
CLKDEV_INIT("exynos4-sdhci.2", "mmc_busclk.2", &exynos5_clk_sclk_mmc2.clk),
CLKDEV_INIT("exynos4-sdhci.3", "mmc_busclk.2", &exynos5_clk_sclk_mmc3.clk),
CLKDEV_INIT("dma-pl330.0", "apb_pclk", &exynos5_clk_pdma0),
CLKDEV_INIT("dma-pl330.1", "apb_pclk", &exynos5_clk_pdma1),
CLKDEV_INIT("dma-pl330.2", "apb_pclk", &exynos5_clk_mdma1),
......
arch/arm/mach-exynos/common.c
浏览文件 @ bb27f55e
......@@ -326,6 +326,11 @@ static void __init exynos4_map_io(void)
s3c_fimc_setname(2, "exynos4-fimc");
s3c_fimc_setname(3, "exynos4-fimc");
s3c_sdhci_setname(0, "exynos4-sdhci");
s3c_sdhci_setname(1, "exynos4-sdhci");
s3c_sdhci_setname(2, "exynos4-sdhci");
s3c_sdhci_setname(3, "exynos4-sdhci");
/* The I2C bus controllers are directly compatible with s3c2440 */
s3c_i2c0_setname("s3c2440-i2c");
s3c_i2c1_setname("s3c2440-i2c");
......@@ -344,6 +349,11 @@ static void __init exynos5_map_io(void)
s3c_device_i2c0.resource[1].start = EXYNOS5_IRQ_IIC;
s3c_device_i2c0.resource[1].end = EXYNOS5_IRQ_IIC;
s3c_sdhci_setname(0, "exynos4-sdhci");
s3c_sdhci_setname(1, "exynos4-sdhci");
s3c_sdhci_setname(2, "exynos4-sdhci");
s3c_sdhci_setname(3, "exynos4-sdhci");
/* The I2C bus controllers are directly compatible with s3c2440 */
s3c_i2c0_setname("s3c2440-i2c");
s3c_i2c1_setname("s3c2440-i2c");
......@@ -537,7 +547,9 @@ void __init exynos5_init_irq(void)
{
int irq;
gic_init(0, IRQ_PPI(0), S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
#ifdef CONFIG_OF
of_irq_init(exynos4_dt_irq_match);
#endif
for (irq = 0; irq < EXYNOS5_MAX_COMBINER_NR; irq++) {
combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq),
......
arch/arm/mach-exynos/dev-dwmci.c
浏览文件 @ bb27f55e
......@@ -16,6 +16,7 @@
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/mmc/dw_mmc.h>
#include <plat/devs.h>
......@@ -33,16 +34,8 @@ static int exynos4_dwmci_init(u32 slot_id, irq_handler_t handler, void *data)
}
static struct resource exynos4_dwmci_resource[] = {
[0] = {
.start = EXYNOS4_PA_DWMCI,
.end = EXYNOS4_PA_DWMCI + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DWMCI,
.end = IRQ_DWMCI,
.flags = IORESOURCE_IRQ,
}
[0] = DEFINE_RES_MEM(EXYNOS4_PA_DWMCI, SZ_4K),
[1] = DEFINE_RES_IRQ(EXYNOS4_IRQ_DWMCI),
};
static struct dw_mci_board exynos4_dwci_pdata = {
......
arch/arm/mach-exynos/mach-nuri.c
浏览文件 @ bb27f55e
......@@ -112,6 +112,7 @@ static struct s3c_sdhci_platdata nuri_hsmmc0_data __initdata = {
.host_caps = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
MMC_CAP_ERASE),
.host_caps2 = MMC_CAP2_BROKEN_VOLTAGE,
.cd_type = S3C_SDHCI_CD_PERMANENT,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
......
arch/arm/mach-exynos/mach-universal_c210.c
浏览文件 @ bb27f55e
......@@ -747,6 +747,7 @@ static struct s3c_sdhci_platdata universal_hsmmc0_data __initdata = {
.max_width = 8,
.host_caps = (MMC_CAP_8_BIT_DATA | MMC_CAP_4_BIT_DATA |
MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED),
.host_caps2 = MMC_CAP2_BROKEN_VOLTAGE,
.cd_type = S3C_SDHCI_CD_PERMANENT,
.clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL,
};
......
arch/arm/mach-msm/board-msm8x60.c
浏览文件 @ bb27f55e
......@@ -17,6 +17,7 @@
#include <linux/irqdomain.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/memblock.h>
......@@ -49,10 +50,22 @@ static void __init msm8x60_map_io(void)
msm_map_msm8x60_io();
}
#ifdef CONFIG_OF
static struct of_device_id msm_dt_gic_match[] __initdata = {
{ .compatible = "qcom,msm-8660-qgic", .data = gic_of_init },
{}
};
#endif
static void __init msm8x60_init_irq(void)
{
gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
(void *)MSM_QGIC_CPU_BASE);
if (!of_have_populated_dt())
gic_init(0, GIC_PPI_START, MSM_QGIC_DIST_BASE,
(void *)MSM_QGIC_CPU_BASE);
#ifdef CONFIG_OF
else
of_irq_init(msm_dt_gic_match);
#endif
/* Edge trigger PPIs except AVS_SVICINT and AVS_SVICINTSWDONE */
writel(0xFFFFD7FF, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4);
......@@ -73,16 +86,8 @@ static struct of_dev_auxdata msm_auxdata_lookup[] __initdata = {
{}
};
static struct of_device_id msm_dt_gic_match[] __initdata = {
{ .compatible = "qcom,msm-8660-qgic", },
{}
};
static void __init msm8x60_dt_init(void)
{
irq_domain_generate_simple(msm_dt_gic_match, MSM8X60_QGIC_DIST_PHYS,
GIC_SPI_START);
if (of_machine_is_compatible("qcom,msm8660-surf")) {
printk(KERN_INFO "Init surf UART registers\n");
msm8x60_init_uart12dm();
......
arch/arm/mach-pxa/include/mach/mfp-pxa2xx.h
浏览文件 @ bb27f55e
......@@ -17,6 +17,7 @@
*
* bit 23 - Input/Output (PXA2xx specific)
* bit 24 - Wakeup Enable(PXA2xx specific)
* bit 25 - Keep Output (PXA2xx specific)
*/
#define MFP_DIR_IN (0x0 << 23)
......@@ -25,6 +26,12 @@
#define MFP_DIR(x) (((x) >> 23) & 0x1)
#define MFP_LPM_CAN_WAKEUP (0x1 << 24)
/*
* MFP_LPM_KEEP_OUTPUT must be specified for pins that need to
* retain their last output level (low or high).
* Note: MFP_LPM_KEEP_OUTPUT has no effect on pins configured for input.
*/
#define MFP_LPM_KEEP_OUTPUT (0x1 << 25)
#define WAKEUP_ON_EDGE_RISE (MFP_LPM_CAN_WAKEUP | MFP_LPM_EDGE_RISE)
......
arch/arm/mach-pxa/mfp-pxa2xx.c
浏览文件 @ bb27f55e
......@@ -33,6 +33,8 @@
#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
#define GPLR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5))
#define GPDR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c)
#define GPSR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x18)
#define GPCR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x24)
#define PWER_WE35 (1 << 24)
......@@ -348,6 +350,7 @@ static inline void pxa27x_mfp_init(void) {}
#ifdef CONFIG_PM
static unsigned long saved_gafr[2][4];
static unsigned long saved_gpdr[4];
static unsigned long saved_gplr[4];
static unsigned long saved_pgsr[4];
static int pxa2xx_mfp_suspend(void)
......@@ -366,14 +369,26 @@ static int pxa2xx_mfp_suspend(void)
}
for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) {
saved_gafr[0][i] = GAFR_L(i);
saved_gafr[1][i] = GAFR_U(i);
saved_gpdr[i] = GPDR(i * 32);
saved_gplr[i] = GPLR(i * 32);
saved_pgsr[i] = PGSR(i);
GPDR(i * 32) = gpdr_lpm[i];
GPSR(i * 32) = PGSR(i);
GPCR(i * 32) = ~PGSR(i);
}
/* set GPDR bits taking into account MFP_LPM_KEEP_OUTPUT */
for (i = 0; i < pxa_last_gpio; i++) {
if ((gpdr_lpm[gpio_to_bank(i)] & GPIO_bit(i)) ||
((gpio_desc[i].config & MFP_LPM_KEEP_OUTPUT) &&
(saved_gpdr[gpio_to_bank(i)] & GPIO_bit(i))))
GPDR(i) |= GPIO_bit(i);
else
GPDR(i) &= ~GPIO_bit(i);
}
return 0;
}
......@@ -384,6 +399,8 @@ static void pxa2xx_mfp_resume(void)
for (i = 0; i <= gpio_to_bank(pxa_last_gpio); i++) {
GAFR_L(i) = saved_gafr[0][i];
GAFR_U(i) = saved_gafr[1][i];
GPSR(i * 32) = saved_gplr[i];
GPCR(i * 32) = ~saved_gplr[i];
GPDR(i * 32) = saved_gpdr[i];
PGSR(i) = saved_pgsr[i];
}
......
arch/arm/mach-pxa/pxa27x.c
浏览文件 @ bb27f55e
......@@ -421,8 +421,11 @@ void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info)
pxa_register_device(&pxa27x_device_i2c_power, info);
}
static struct pxa_gpio_platform_data pxa27x_gpio_info __initdata = {
.gpio_set_wake = gpio_set_wake,
};
static struct platform_device *devices[] __initdata = {
&pxa_device_gpio,
&pxa27x_device_udc,
&pxa_device_pmu,
&pxa_device_i2s,
......@@ -458,6 +461,7 @@ static int __init pxa27x_init(void)
register_syscore_ops(&pxa2xx_mfp_syscore_ops);
register_syscore_ops(&pxa2xx_clock_syscore_ops);
pxa_register_device(&pxa_device_gpio, &pxa27x_gpio_info);
ret = platform_add_devices(devices, ARRAY_SIZE(devices));
}
......
arch/arm/mach-s3c24xx/Kconfig
浏览文件 @ bb27f55e
......@@ -111,10 +111,6 @@ config S3C24XX_SETUP_TS
help
Compile in platform device definition for Samsung TouchScreen.
# cpu-specific sections
if CPU_S3C2410
config S3C2410_DMA
bool
depends on S3C24XX_DMA && (CPU_S3C2410 || CPU_S3C2442)
......@@ -127,6 +123,10 @@ config S3C2410_PM
help
Power Management code common to S3C2410 and better
# cpu-specific sections
if CPU_S3C2410
config S3C24XX_SIMTEC_NOR
bool
help
......
arch/arm/mach-s5pv210/mach-goni.c
浏览文件 @ bb27f55e
......@@ -25,6 +25,7 @@
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/gpio.h>
#include <linux/mmc/host.h>
#include <linux/interrupt.h>
#include <asm/hardware/vic.h>
......@@ -765,6 +766,7 @@ static void __init goni_pmic_init(void)
/* MoviNAND */
static struct s3c_sdhci_platdata goni_hsmmc0_data __initdata = {
.max_width = 4,
.host_caps2 = MMC_CAP2_BROKEN_VOLTAGE,
.cd_type = S3C_SDHCI_CD_PERMANENT,
};
......
arch/arm/mach-sa1100/generic.c
浏览文件 @ bb27f55e
......@@ -306,7 +306,7 @@ void sa11x0_register_irda(struct irda_platform_data *irda)
}
static struct resource sa1100_rtc_resources[] = {
DEFINE_RES_MEM(0x90010000, 0x9001003f),
DEFINE_RES_MEM(0x90010000, 0x40),
DEFINE_RES_IRQ_NAMED(IRQ_RTC1Hz, "rtc 1Hz"),
DEFINE_RES_IRQ_NAMED(IRQ_RTCAlrm, "rtc alarm"),
};
......
arch/arm/mach-u300/core.c
浏览文件 @ bb27f55e
......@@ -1667,8 +1667,10 @@ void __init u300_init_irq(void)
for (i = 0; i < U300_VIC_IRQS_END; i++)
set_bit(i, (unsigned long *) &mask[0]);
vic_init((void __iomem *) U300_INTCON0_VBASE, 0, mask[0], mask[0]);
vic_init((void __iomem *) U300_INTCON1_VBASE, 32, mask[1], mask[1]);
vic_init((void __iomem *) U300_INTCON0_VBASE, IRQ_U300_INTCON0_START,
mask[0], mask[0]);
vic_init((void __iomem *) U300_INTCON1_VBASE, IRQ_U300_INTCON1_START,
mask[1], mask[1]);
}
......
arch/arm/mach-u300/i2c.c
浏览文件 @ bb27f55e
......@@ -146,9 +146,6 @@ static struct ab3100_platform_data ab3100_plf_data = {
.min_uV = 1800000,
.max_uV = 1800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL,
.valid_ops_mask =
REGULATOR_CHANGE_VOLTAGE |
REGULATOR_CHANGE_STATUS,
.always_on = 1,
.boot_on = 1,
},
......@@ -160,9 +157,6 @@ static struct ab3100_platform_data ab3100_plf_data = {
.min_uV = 2500000,
.max_uV = 2500000,
.valid_modes_mask = REGULATOR_MODE_NORMAL,
.valid_ops_mask =
REGULATOR_CHANGE_VOLTAGE |
REGULATOR_CHANGE_STATUS,
.always_on = 1,
.boot_on = 1,
},
......@@ -230,8 +224,7 @@ static struct ab3100_platform_data ab3100_plf_data = {
.max_uV = 1800000,
.valid_modes_mask = REGULATOR_MODE_NORMAL,
.valid_ops_mask =
REGULATOR_CHANGE_VOLTAGE |
REGULATOR_CHANGE_STATUS,
REGULATOR_CHANGE_VOLTAGE,
.always_on = 1,
.boot_on = 1,
},
......
arch/arm/mach-u300/include/mach/irqs.h
浏览文件 @ bb27f55e
......@@ -12,101 +12,101 @@
#ifndef __MACH_IRQS_H
#define __MACH_IRQS_H
#define IRQ_U300_INTCON0_START 0
#define IRQ_U300_INTCON1_START 32
#define IRQ_U300_INTCON0_START 1
#define IRQ_U300_INTCON1_START 33
/* These are on INTCON0 - 30 lines */
#define IRQ_U300_IRQ0_EXT 0
#define IRQ_U300_IRQ1_EXT 1
#define IRQ_U300_DMA 2
#define IRQ_U300_VIDEO_ENC_0 3
#define IRQ_U300_VIDEO_ENC_1 4
#define IRQ_U300_AAIF_RX 5
#define IRQ_U300_AAIF_TX 6
#define IRQ_U300_AAIF_VGPIO 7
#define IRQ_U300_AAIF_WAKEUP 8
#define IRQ_U300_PCM_I2S0_FRAME 9
#define IRQ_U300_PCM_I2S0_FIFO 10
#define IRQ_U300_PCM_I2S1_FRAME 11
#define IRQ_U300_PCM_I2S1_FIFO 12
#define IRQ_U300_XGAM_GAMCON 13
#define IRQ_U300_XGAM_CDI 14
#define IRQ_U300_XGAM_CDICON 15
#define IRQ_U300_IRQ0_EXT 1
#define IRQ_U300_IRQ1_EXT 2
#define IRQ_U300_DMA 3
#define IRQ_U300_VIDEO_ENC_0 4
#define IRQ_U300_VIDEO_ENC_1 5
#define IRQ_U300_AAIF_RX 6
#define IRQ_U300_AAIF_TX 7
#define IRQ_U300_AAIF_VGPIO 8
#define IRQ_U300_AAIF_WAKEUP 9
#define IRQ_U300_PCM_I2S0_FRAME 10
#define IRQ_U300_PCM_I2S0_FIFO 11
#define IRQ_U300_PCM_I2S1_FRAME 12
#define IRQ_U300_PCM_I2S1_FIFO 13
#define IRQ_U300_XGAM_GAMCON 14
#define IRQ_U300_XGAM_CDI 15
#define IRQ_U300_XGAM_CDICON 16
#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
/* MMIACC not used on the DB3210 or DB3350 chips */
#define IRQ_U300_XGAM_MMIACC 16
#define IRQ_U300_XGAM_MMIACC 17
#endif
#define IRQ_U300_XGAM_PDI 17
#define IRQ_U300_XGAM_PDICON 18
#define IRQ_U300_XGAM_GAMEACC 19
#define IRQ_U300_XGAM_MCIDCT 20
#define IRQ_U300_APEX 21
#define IRQ_U300_UART0 22
#define IRQ_U300_SPI 23
#define IRQ_U300_TIMER_APP_OS 24
#define IRQ_U300_TIMER_APP_DD 25
#define IRQ_U300_TIMER_APP_GP1 26
#define IRQ_U300_TIMER_APP_GP2 27
#define IRQ_U300_TIMER_OS 28
#define IRQ_U300_TIMER_MS 29
#define IRQ_U300_KEYPAD_KEYBF 30
#define IRQ_U300_KEYPAD_KEYBR 31
#define IRQ_U300_XGAM_PDI 18
#define IRQ_U300_XGAM_PDICON 19
#define IRQ_U300_XGAM_GAMEACC 20
#define IRQ_U300_XGAM_MCIDCT 21
#define IRQ_U300_APEX 22
#define IRQ_U300_UART0 23
#define IRQ_U300_SPI 24
#define IRQ_U300_TIMER_APP_OS 25
#define IRQ_U300_TIMER_APP_DD 26
#define IRQ_U300_TIMER_APP_GP1 27
#define IRQ_U300_TIMER_APP_GP2 28
#define IRQ_U300_TIMER_OS 29
#define IRQ_U300_TIMER_MS 30
#define IRQ_U300_KEYPAD_KEYBF 31
#define IRQ_U300_KEYPAD_KEYBR 32
/* These are on INTCON1 - 32 lines */
#define IRQ_U300_GPIO_PORT0 32
#define IRQ_U300_GPIO_PORT1 33
#define IRQ_U300_GPIO_PORT2 34
#define IRQ_U300_GPIO_PORT0 33
#define IRQ_U300_GPIO_PORT1 34
#define IRQ_U300_GPIO_PORT2 35
#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) || \
defined(CONFIG_MACH_U300_BS335)
/* These are for DB3150, DB3200 and DB3350 */
#define IRQ_U300_WDOG 35
#define IRQ_U300_EVHIST 36
#define IRQ_U300_MSPRO 37
#define IRQ_U300_MMCSD_MCIINTR0 38
#define IRQ_U300_MMCSD_MCIINTR1 39
#define IRQ_U300_I2C0 40
#define IRQ_U300_I2C1 41
#define IRQ_U300_RTC 42
#define IRQ_U300_NFIF 43
#define IRQ_U300_NFIF2 44
#define IRQ_U300_WDOG 36
#define IRQ_U300_EVHIST 37
#define IRQ_U300_MSPRO 38
#define IRQ_U300_MMCSD_MCIINTR0 39
#define IRQ_U300_MMCSD_MCIINTR1 40
#define IRQ_U300_I2C0 41
#define IRQ_U300_I2C1 42
#define IRQ_U300_RTC 43
#define IRQ_U300_NFIF 44
#define IRQ_U300_NFIF2 45
#endif
/* DB3150 and DB3200 have only 45 IRQs */
#if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330)
#define U300_VIC_IRQS_END 45
#define U300_VIC_IRQS_END 46
#endif
/* The DB3350-specific interrupt lines */
#ifdef CONFIG_MACH_U300_BS335
#define IRQ_U300_ISP_F0 45
#define IRQ_U300_ISP_F1 46
#define IRQ_U300_ISP_F2 47
#define IRQ_U300_ISP_F3 48
#define IRQ_U300_ISP_F4 49
#define IRQ_U300_GPIO_PORT3 50
#define IRQ_U300_SYSCON_PLL_LOCK 51
#define IRQ_U300_UART1 52
#define IRQ_U300_GPIO_PORT4 53
#define IRQ_U300_GPIO_PORT5 54
#define IRQ_U300_GPIO_PORT6 55
#define U300_VIC_IRQS_END 56
#define IRQ_U300_ISP_F0 46
#define IRQ_U300_ISP_F1 47
#define IRQ_U300_ISP_F2 48
#define IRQ_U300_ISP_F3 49
#define IRQ_U300_ISP_F4 50
#define IRQ_U300_GPIO_PORT3 51
#define IRQ_U300_SYSCON_PLL_LOCK 52
#define IRQ_U300_UART1 53
#define IRQ_U300_GPIO_PORT4 54
#define IRQ_U300_GPIO_PORT5 55
#define IRQ_U300_GPIO_PORT6 56
#define U300_VIC_IRQS_END 57
#endif
/* The DB3210-specific interrupt lines */
#ifdef CONFIG_MACH_U300_BS365
#define IRQ_U300_GPIO_PORT3 35
#define IRQ_U300_GPIO_PORT4 36
#define IRQ_U300_WDOG 37
#define IRQ_U300_EVHIST 38
#define IRQ_U300_MSPRO 39
#define IRQ_U300_MMCSD_MCIINTR0 40
#define IRQ_U300_MMCSD_MCIINTR1 41
#define IRQ_U300_I2C0 42
#define IRQ_U300_I2C1 43
#define IRQ_U300_RTC 44
#define IRQ_U300_NFIF 45
#define IRQ_U300_NFIF2 46
#define IRQ_U300_SYSCON_PLL_LOCK 47
#define U300_VIC_IRQS_END 48
#define IRQ_U300_GPIO_PORT3 36
#define IRQ_U300_GPIO_PORT4 37
#define IRQ_U300_WDOG 38
#define IRQ_U300_EVHIST 39
#define IRQ_U300_MSPRO 40
#define IRQ_U300_MMCSD_MCIINTR0 41
#define IRQ_U300_MMCSD_MCIINTR1 42
#define IRQ_U300_I2C0 43
#define IRQ_U300_I2C1 44
#define IRQ_U300_RTC 45
#define IRQ_U300_NFIF 46
#define IRQ_U300_NFIF2 47
#define IRQ_U300_SYSCON_PLL_LOCK 48
#define U300_VIC_IRQS_END 49
#endif
/* Maximum 8*7 GPIO lines */
......@@ -117,6 +117,6 @@
#define IRQ_U300_GPIO_END (U300_VIC_IRQS_END)
#endif
#define NR_IRQS (IRQ_U300_GPIO_END)
#define NR_IRQS (IRQ_U300_GPIO_END - IRQ_U300_INTCON0_START)
#endif
arch/arm/mach-ux500/mbox-db5500.c
浏览文件 @ bb27f55e
......@@ -168,7 +168,7 @@ static ssize_t mbox_read_fifo(struct device *dev,
return sprintf(buf, "0x%X\n", mbox_value);
}
static DEVICE_ATTR(fifo, S_IWUGO | S_IRUGO, mbox_read_fifo, mbox_write_fifo);
static DEVICE_ATTR(fifo, S_IWUSR | S_IRUGO, mbox_read_fifo, mbox_write_fifo);
static int mbox_show(struct seq_file *s, void *data)
{
......
arch/arm/mm/abort-ev6.S
浏览文件 @ bb27f55e
......@@ -26,18 +26,23 @@ ENTRY(v6_early_abort)
mrc p15, 0, r1, c5, c0, 0 @ get FSR
mrc p15, 0, r0, c6, c0, 0 @ get FAR
/*
* Faulty SWP instruction on 1136 doesn't set bit 11 in DFSR (erratum 326103).
* The test below covers all the write situations, including Java bytecodes
* Faulty SWP instruction on 1136 doesn't set bit 11 in DFSR.
*/
bic r1, r1, #1 << 11 @ clear bit 11 of FSR
#ifdef CONFIG_ARM_ERRATA_326103
ldr ip, =0x4107b36
mrc p15, 0, r3, c0, c0, 0 @ get processor id
teq ip, r3, lsr #4 @ r0 ARM1136?
bne do_DataAbort
tst r5, #PSR_J_BIT @ Java?
tsteq r5, #PSR_T_BIT @ Thumb?
bne do_DataAbort
do_thumb_abort fsr=r1, pc=r4, psr=r5, tmp=r3
ldreq r3, [r4] @ read aborted ARM instruction
bic r1, r1, #1 << 11 @ clear bit 11 of FSR
ldr r3, [r4] @ read aborted ARM instruction
#ifdef CONFIG_CPU_ENDIAN_BE8
reveq r3, r3
rev r3, r3
#endif
do_ldrd_abort tmp=ip, insn=r3
tst r3, #1 << 20 @ L = 0 -> write
orreq r1, r1, #1 << 11 @ yes.
#endif
b do_DataAbort
arch/arm/mm/cache-l2x0.c
浏览文件 @ bb27f55e
......@@ -32,6 +32,7 @@ static void __iomem *l2x0_base;
static DEFINE_RAW_SPINLOCK(l2x0_lock);
static u32 l2x0_way_mask; /* Bitmask of active ways */
static u32 l2x0_size;
static unsigned long sync_reg_offset = L2X0_CACHE_SYNC;
struct l2x0_regs l2x0_saved_regs;
......@@ -61,12 +62,7 @@ static inline void cache_sync(void)
{
void __iomem *base = l2x0_base;
#ifdef CONFIG_PL310_ERRATA_753970
/* write to an unmmapped register */
writel_relaxed(0, base + L2X0_DUMMY_REG);
#else
writel_relaxed(0, base + L2X0_CACHE_SYNC);
#endif
writel_relaxed(0, base + sync_reg_offset);
cache_wait(base + L2X0_CACHE_SYNC, 1);
}
......@@ -85,10 +81,13 @@ static inline void l2x0_inv_line(unsigned long addr)
}
#if defined(CONFIG_PL310_ERRATA_588369) || defined(CONFIG_PL310_ERRATA_727915)
static inline void debug_writel(unsigned long val)
{
if (outer_cache.set_debug)
outer_cache.set_debug(val);
}
#define debug_writel(val) outer_cache.set_debug(val)
static void l2x0_set_debug(unsigned long val)
static void pl310_set_debug(unsigned long val)
{
writel_relaxed(val, l2x0_base + L2X0_DEBUG_CTRL);
}
......@@ -98,7 +97,7 @@ static inline void debug_writel(unsigned long val)
{
}
#define l2x0_set_debug NULL
#define pl310_set_debug NULL
#endif
#ifdef CONFIG_PL310_ERRATA_588369
......@@ -331,6 +330,11 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask)
else
ways = 8;
type = "L310";
#ifdef CONFIG_PL310_ERRATA_753970
/* Unmapped register. */
sync_reg_offset = L2X0_DUMMY_REG;
#endif
outer_cache.set_debug = pl310_set_debug;
break;
case L2X0_CACHE_ID_PART_L210:
ways = (aux >> 13) & 0xf;
......@@ -379,7 +383,6 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask)
outer_cache.flush_all = l2x0_flush_all;
outer_cache.inv_all = l2x0_inv_all;
outer_cache.disable = l2x0_disable;
outer_cache.set_debug = l2x0_set_debug;
printk(KERN_INFO "%s cache controller enabled\n", type);
printk(KERN_INFO "l2x0: %d ways, CACHE_ID 0x%08x, AUX_CTRL 0x%08x, Cache size: %d B\n",
......
arch/arm/mm/init.c
浏览文件 @ bb27f55e
......@@ -293,11 +293,11 @@ EXPORT_SYMBOL(pfn_valid);
#endif
#ifndef CONFIG_SPARSEMEM
static void arm_memory_present(void)
static void __init arm_memory_present(void)
{
}
#else
static void arm_memory_present(void)
static void __init arm_memory_present(void)
{
struct memblock_region *reg;
......
arch/arm/mm/mmu.c
浏览文件 @ bb27f55e
......@@ -618,8 +618,8 @@ static void __init alloc_init_section(pud_t *pud, unsigned long addr,
}
}
static void alloc_init_pud(pgd_t *pgd, unsigned long addr, unsigned long end,
unsigned long phys, const struct mem_type *type)
static void __init alloc_init_pud(pgd_t *pgd, unsigned long addr,
unsigned long end, unsigned long phys, const struct mem_type *type)
{
pud_t *pud = pud_offset(pgd, addr);
unsigned long next;
......
arch/arm/plat-omap/dma.c
浏览文件 @ bb27f55e
......@@ -916,6 +916,13 @@ void omap_start_dma(int lch)
l |= OMAP_DMA_CCR_BUFFERING_DISABLE;
l |= OMAP_DMA_CCR_EN;
/*
* As dma_write() uses IO accessors which are weakly ordered, there
* is no guarantee that data in coherent DMA memory will be visible
* to the DMA device. Add a memory barrier here to ensure that any
* such data is visible prior to enabling DMA.
*/
mb();
p->dma_write(l, CCR, lch);
dma_chan[lch].flags |= OMAP_DMA_ACTIVE;
......@@ -965,6 +972,13 @@ void omap_stop_dma(int lch)
p->dma_write(l, CCR, lch);
}
/*
* Ensure that data transferred by DMA is visible to any access
* after DMA has been disabled. This is important for coherent
* DMA regions.
*/
mb();
if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {
int next_lch, cur_lch = lch;
char dma_chan_link_map[dma_lch_count];
......
arch/arm/plat-samsung/include/plat/sdhci.h
浏览文件 @ bb27f55e
......@@ -18,6 +18,8 @@
#ifndef __PLAT_S3C_SDHCI_H
#define __PLAT_S3C_SDHCI_H __FILE__
#include <plat/devs.h>
struct platform_device;
struct mmc_host;
struct mmc_card;
......@@ -356,4 +358,30 @@ static inline void exynos4_default_sdhci3(void) { }
#endif /* CONFIG_EXYNOS4_SETUP_SDHCI */
static inline void s3c_sdhci_setname(int id, char *name)
{
switch (id) {
#ifdef CONFIG_S3C_DEV_HSMMC
case 0:
s3c_device_hsmmc0.name = name;
break;
#endif
#ifdef CONFIG_S3C_DEV_HSMMC1
case 1:
s3c_device_hsmmc1.name = name;
break;
#endif
#ifdef CONFIG_S3C_DEV_HSMMC2
case 2:
s3c_device_hsmmc2.name = name;
break;
#endif
#ifdef CONFIG_S3C_DEV_HSMMC3
case 3:
s3c_device_hsmmc3.name = name;
break;
#endif
}
}
#endif /* __PLAT_S3C_SDHCI_H */
arch/arm/vfp/vfpmodule.c
浏览文件 @ bb27f55e
......@@ -17,6 +17,8 @@
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/uaccess.h>
#include <linux/user.h>
#include <asm/cp15.h>
#include <asm/cputype.h>
......@@ -528,6 +530,103 @@ void vfp_flush_hwstate(struct thread_info *thread)
put_cpu();
}
/*
* Save the current VFP state into the provided structures and prepare
* for entry into a new function (signal handler).
*/
int vfp_preserve_user_clear_hwstate(struct user_vfp __user *ufp,
struct user_vfp_exc __user *ufp_exc)
{
struct thread_info *thread = current_thread_info();
struct vfp_hard_struct *hwstate = &thread->vfpstate.hard;
int err = 0;
/* Ensure that the saved hwstate is up-to-date. */
vfp_sync_hwstate(thread);
/*
* Copy the floating point registers. There can be unused
* registers see asm/hwcap.h for details.
*/
err |= __copy_to_user(&ufp->fpregs, &hwstate->fpregs,
sizeof(hwstate->fpregs));
/*
* Copy the status and control register.
*/
__put_user_error(hwstate->fpscr, &ufp->fpscr, err);
/*
* Copy the exception registers.
*/
__put_user_error(hwstate->fpexc, &ufp_exc->fpexc, err);
__put_user_error(hwstate->fpinst, &ufp_exc->fpinst, err);
__put_user_error(hwstate->fpinst2, &ufp_exc->fpinst2, err);
if (err)
return -EFAULT;
/* Ensure that VFP is disabled. */
vfp_flush_hwstate(thread);
/*
* As per the PCS, clear the length and stride bits for function
* entry.
*/
hwstate->fpscr &= ~(FPSCR_LENGTH_MASK | FPSCR_STRIDE_MASK);
/*
* Disable VFP in the hwstate so that we can detect if it gets
* used.
*/
hwstate->fpexc &= ~FPEXC_EN;
return 0;
}
/* Sanitise and restore the current VFP state from the provided structures. */
int vfp_restore_user_hwstate(struct user_vfp __user *ufp,
struct user_vfp_exc __user *ufp_exc)
{
struct thread_info *thread = current_thread_info();
struct vfp_hard_struct *hwstate = &thread->vfpstate.hard;
unsigned long fpexc;
int err = 0;
/*
* If VFP has been used, then disable it to avoid corrupting
* the new thread state.
*/
if (hwstate->fpexc & FPEXC_EN)
vfp_flush_hwstate(thread);
/*
* Copy the floating point registers. There can be unused
* registers see asm/hwcap.h for details.
*/
err |= __copy_from_user(&hwstate->fpregs, &ufp->fpregs,
sizeof(hwstate->fpregs));
/*
* Copy the status and control register.
*/
__get_user_error(hwstate->fpscr, &ufp->fpscr, err);
/*
* Sanitise and restore the exception registers.
*/
__get_user_error(fpexc, &ufp_exc->fpexc, err);
/* Ensure the VFP is enabled. */
fpexc |= FPEXC_EN;
/* Ensure FPINST2 is invalid and the exception flag is cleared. */
fpexc &= ~(FPEXC_EX | FPEXC_FP2V);
hwstate->fpexc = fpexc;
__get_user_error(hwstate->fpinst, &ufp_exc->fpinst, err);
__get_user_error(hwstate->fpinst2, &ufp_exc->fpinst2, err);
return err ? -EFAULT : 0;
}
/*
* VFP hardware can lose all context when a CPU goes offline.
* As we will be running in SMP mode with CPU hotplug, we will save the
......
arch/blackfin/mach-bf538/boards/ezkit.c
浏览文件 @ bb27f55e
......@@ -38,7 +38,7 @@ static struct platform_device rtc_device = {
.name = "rtc-bfin",
.id = -1,
};
#endif
#endif /* CONFIG_RTC_DRV_BFIN */
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
#ifdef CONFIG_SERIAL_BFIN_UART0
......@@ -100,7 +100,7 @@ static struct platform_device bfin_uart0_device = {
.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
},
};
#endif
#endif /* CONFIG_SERIAL_BFIN_UART0 */
#ifdef CONFIG_SERIAL_BFIN_UART1
static struct resource bfin_uart1_resources[] = {
{
......@@ -148,7 +148,7 @@ static struct platform_device bfin_uart1_device = {
.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
},
};
#endif
#endif /* CONFIG_SERIAL_BFIN_UART1 */
#ifdef CONFIG_SERIAL_BFIN_UART2
static struct resource bfin_uart2_resources[] = {
{
......@@ -196,8 +196,8 @@ static struct platform_device bfin_uart2_device = {
.platform_data = &bfin_uart2_peripherals, /* Passed to driver */
},
};
#endif
#endif
#endif /* CONFIG_SERIAL_BFIN_UART2 */
#endif /* CONFIG_SERIAL_BFIN */
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
......@@ -224,7 +224,7 @@ static struct platform_device bfin_sir0_device = {
.num_resources = ARRAY_SIZE(bfin_sir0_resources),
.resource = bfin_sir0_resources,
};
#endif
#endif /* CONFIG_BFIN_SIR0 */
#ifdef CONFIG_BFIN_SIR1
static struct resource bfin_sir1_resources[] = {
{
......@@ -249,7 +249,7 @@ static struct platform_device bfin_sir1_device = {
.num_resources = ARRAY_SIZE(bfin_sir1_resources),
.resource = bfin_sir1_resources,
};
#endif
#endif /* CONFIG_BFIN_SIR1 */
#ifdef CONFIG_BFIN_SIR2
static struct resource bfin_sir2_resources[] = {
{
......@@ -274,8 +274,8 @@ static struct platform_device bfin_sir2_device = {
.num_resources = ARRAY_SIZE(bfin_sir2_resources),
.resource = bfin_sir2_resources,
};
#endif
#endif
#endif /* CONFIG_BFIN_SIR2 */
#endif /* CONFIG_BFIN_SIR */
#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
......@@ -311,7 +311,7 @@ static struct platform_device bfin_sport0_uart_device = {
.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
},
};
#endif
#endif /* CONFIG_SERIAL_BFIN_SPORT0_UART */
#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
static struct resource bfin_sport1_uart_resources[] = {
{
......@@ -345,7 +345,7 @@ static struct platform_device bfin_sport1_uart_device = {
.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
},
};
#endif
#endif /* CONFIG_SERIAL_BFIN_SPORT1_UART */
#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
static struct resource bfin_sport2_uart_resources[] = {
{
......@@ -379,7 +379,7 @@ static struct platform_device bfin_sport2_uart_device = {
.platform_data = &bfin_sport2_peripherals, /* Passed to driver */
},
};
#endif
#endif /* CONFIG_SERIAL_BFIN_SPORT2_UART */
#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
static struct resource bfin_sport3_uart_resources[] = {
{
......@@ -413,8 +413,8 @@ static struct platform_device bfin_sport3_uart_device = {
.platform_data = &bfin_sport3_peripherals, /* Passed to driver */
},
};
#endif
#endif
#endif /* CONFIG_SERIAL_BFIN_SPORT3_UART */
#endif /* CONFIG_SERIAL_BFIN_SPORT */
#if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
static unsigned short bfin_can_peripherals[] = {
......@@ -452,7 +452,7 @@ static struct platform_device bfin_can_device = {
.platform_data = &bfin_can_peripherals, /* Passed to driver */
},
};
#endif
#endif /* CONFIG_CAN_BFIN */
/*
* USB-LAN EzExtender board
......@@ -488,7 +488,7 @@ static struct platform_device smc91x_device = {
.platform_data = &smc91x_info,
},
};
#endif
#endif /* CONFIG_SMC91X */
#if defined(CONFIG_SPI_BFIN5XX) || defined(CONFIG_SPI_BFIN5XX_MODULE)
/* all SPI peripherals info goes here */
......@@ -518,7 +518,8 @@ static struct flash_platform_data bfin_spi_flash_data = {
static struct bfin5xx_spi_chip spi_flash_chip_info = {
.enable_dma = 0, /* use dma transfer with this chip*/
};
#endif
#endif /* CONFIG_MTD_M25P80 */
#endif /* CONFIG_SPI_BFIN5XX */
#if defined(CONFIG_TOUCHSCREEN_AD7879) || defined(CONFIG_TOUCHSCREEN_AD7879_MODULE)
#include <linux/spi/ad7879.h>
......@@ -535,7 +536,7 @@ static const struct ad7879_platform_data bfin_ad7879_ts_info = {
.gpio_export = 1, /* Export GPIO to gpiolib */
.gpio_base = -1, /* Dynamic allocation */
};
#endif
#endif /* CONFIG_TOUCHSCREEN_AD7879 */
#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
#include <asm/bfin-lq035q1.h>
......@@ -564,7 +565,7 @@ static struct platform_device bfin_lq035q1_device = {
.platform_data = &bfin_lq035q1_data,
},
};
#endif
#endif /* CONFIG_FB_BFIN_LQ035Q1 */
static struct spi_board_info bf538_spi_board_info[] __initdata = {
#if defined(CONFIG_MTD_M25P80) \
......@@ -579,7 +580,7 @@ static struct spi_board_info bf538_spi_board_info[] __initdata = {
.controller_data = &spi_flash_chip_info,
.mode = SPI_MODE_3,
},
#endif
#endif /* CONFIG_MTD_M25P80 */
#if defined(CONFIG_TOUCHSCREEN_AD7879_SPI) || defined(CONFIG_TOUCHSCREEN_AD7879_SPI_MODULE)
{
.modalias = "ad7879",
......@@ -590,7 +591,7 @@ static struct spi_board_info bf538_spi_board_info[] __initdata = {
.chip_select = 1,
.mode = SPI_CPHA | SPI_CPOL,
},
#endif
#endif /* CONFIG_TOUCHSCREEN_AD7879_SPI */
#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
{
.modalias = "bfin-lq035q1-spi",
......@@ -599,7 +600,7 @@ static struct spi_board_info bf538_spi_board_info[] __initdata = {
.chip_select = 2,
.mode = SPI_CPHA | SPI_CPOL,
},
#endif
#endif /* CONFIG_FB_BFIN_LQ035Q1 */
#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
{
.modalias = "spidev",
......@@ -607,7 +608,7 @@ static struct spi_board_info bf538_spi_board_info[] __initdata = {
.bus_num = 0,
.chip_select = 1,
},
#endif
#endif /* CONFIG_SPI_SPIDEV */
};
/* SPI (0) */
......@@ -716,8 +717,6 @@ static struct platform_device bf538_spi_master2 = {
},
};
#endif /* spi master and devices */
#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
static struct resource bfin_twi0_resource[] = {
[0] = {
......@@ -759,8 +758,8 @@ static struct platform_device i2c_bfin_twi1_device = {
.num_resources = ARRAY_SIZE(bfin_twi1_resource),
.resource = bfin_twi1_resource,
};
#endif
#endif
#endif /* CONFIG_BF542 */
#endif /* CONFIG_I2C_BLACKFIN_TWI */
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
#include <linux/gpio_keys.h>
......
arch/hexagon/kernel/dma.c
浏览文件 @ bb27f55e
......@@ -22,6 +22,7 @@
#include <linux/bootmem.h>
#include <linux/genalloc.h>
#include <asm/dma-mapping.h>
#include <linux/module.h>
struct dma_map_ops *dma_ops;
EXPORT_SYMBOL(dma_ops);
......
arch/hexagon/kernel/process.c
浏览文件 @ bb27f55e
/*
* Process creation support for Hexagon
*
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
* Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
......@@ -88,7 +88,7 @@ void (*idle_sleep)(void) = default_idle;
void cpu_idle(void)
{
while (1) {
tick_nohz_stop_sched_tick(1);
tick_nohz_idle_enter();
local_irq_disable();
while (!need_resched()) {
idle_sleep();
......@@ -97,7 +97,7 @@ void cpu_idle(void)
local_irq_disable();
}
local_irq_enable();
tick_nohz_restart_sched_tick();
tick_nohz_idle_exit();
schedule();
}
}
......
arch/hexagon/kernel/ptrace.c
浏览文件 @ bb27f55e
......@@ -28,6 +28,7 @@
#include <linux/ptrace.h>
#include <linux/regset.h>
#include <linux/user.h>
#include <linux/elf.h>
#include <asm/user.h>
......
arch/hexagon/kernel/smp.c
浏览文件 @ bb27f55e
/*
* SMP support for Hexagon
*
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
* Copyright (c) 2010-2012, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
......@@ -28,6 +28,7 @@
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/spinlock.h>
#include <linux/cpu.h>
#include <asm/time.h> /* timer_interrupt */
#include <asm/hexagon_vm.h>
......@@ -177,7 +178,12 @@ void __cpuinit start_secondary(void)
printk(KERN_INFO "%s cpu %d\n", __func__, current_thread_info()->cpu);
notify_cpu_starting(cpu);
ipi_call_lock();
set_cpu_online(cpu, true);
ipi_call_unlock();
local_irq_enable();
cpu_idle();
......
arch/hexagon/kernel/time.c
浏览文件 @ bb27f55e
......@@ -28,6 +28,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/module.h>
#include <asm/timer-regs.h>
#include <asm/hexagon_vm.h>
......
arch/hexagon/kernel/vdso.c
浏览文件 @ bb27f55e
......@@ -21,6 +21,7 @@
#include <linux/err.h>
#include <linux/mm.h>
#include <linux/vmalloc.h>
#include <linux/binfmts.h>
#include <asm/vdso.h>
......
arch/mips/ath79/dev-wmac.c
浏览文件 @ bb27f55e
......@@ -58,8 +58,8 @@ static void __init ar913x_wmac_setup(void)
static int ar933x_wmac_reset(void)
{
ath79_device_reset_clear(AR933X_RESET_WMAC);
ath79_device_reset_set(AR933X_RESET_WMAC);
ath79_device_reset_clear(AR933X_RESET_WMAC);
return 0;
}
......
arch/mips/include/asm/mach-jz4740/irq.h
浏览文件 @ bb27f55e
......@@ -45,7 +45,7 @@
#define JZ4740_IRQ_LCD JZ4740_IRQ(30)
/* 2nd-level interrupts */
#define JZ4740_IRQ_DMA(x) (JZ4740_IRQ(32) + (X))
#define JZ4740_IRQ_DMA(x) (JZ4740_IRQ(32) + (x))
#define JZ4740_IRQ_INTC_GPIO(x) (JZ4740_IRQ_GPIO0 - (x))
#define JZ4740_IRQ_GPIO(x) (JZ4740_IRQ(48) + (x))
......
arch/mips/include/asm/mmu_context.h
浏览文件 @ bb27f55e
......@@ -37,12 +37,6 @@ extern void tlbmiss_handler_setup_pgd(unsigned long pgd);
write_c0_xcontext((unsigned long) smp_processor_id() << 51); \
} while (0)
static inline unsigned long get_current_pgd(void)
{
return PHYS_TO_XKSEG_CACHED((read_c0_context() >> 11) & ~0xfffUL);
}
#else /* CONFIG_MIPS_PGD_C0_CONTEXT: using pgd_current*/
/*
......
arch/mips/kernel/signal.c
浏览文件 @ bb27f55e
......@@ -257,11 +257,8 @@ asmlinkage int sys_sigsuspend(nabi_no_regargs struct pt_regs regs)
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
current->blocked = newset;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
set_current_blocked(&newset);
current->state = TASK_INTERRUPTIBLE;
schedule();
......@@ -286,11 +283,8 @@ asmlinkage int sys_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
current->blocked = newset;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
set_current_blocked(&newset);
current->state = TASK_INTERRUPTIBLE;
schedule();
......@@ -362,10 +356,7 @@ asmlinkage void sys_sigreturn(nabi_no_regargs struct pt_regs regs)
goto badframe;
sigdelsetmask(&blocked, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->blocked = blocked;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
set_current_blocked(&blocked);
sig = restore_sigcontext(&regs, &frame->sf_sc);
if (sig < 0)
......@@ -401,10 +392,7 @@ asmlinkage void sys_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->blocked = set;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
set_current_blocked(&set);
sig = restore_sigcontext(&regs, &frame->rs_uc.uc_mcontext);
if (sig < 0)
......@@ -580,12 +568,7 @@ static int handle_signal(unsigned long sig, siginfo_t *info,
if (ret)
return ret;
spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
if (!(ka->sa.sa_flags & SA_NODEFER))
sigaddset(&current->blocked, sig);
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
block_sigmask(ka, sig);
return ret;
}
......
arch/mips/kernel/signal32.c
浏览文件 @ bb27f55e
......@@ -290,11 +290,8 @@ asmlinkage int sys32_sigsuspend(nabi_no_regargs struct pt_regs regs)
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
current->blocked = newset;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
set_current_blocked(&newset);
current->state = TASK_INTERRUPTIBLE;
schedule();
......@@ -318,11 +315,8 @@ asmlinkage int sys32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
return -EFAULT;
sigdelsetmask(&newset, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
current->blocked = newset;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
set_current_blocked(&newset);
current->state = TASK_INTERRUPTIBLE;
schedule();
......@@ -488,10 +482,7 @@ asmlinkage void sys32_sigreturn(nabi_no_regargs struct pt_regs regs)
goto badframe;
sigdelsetmask(&blocked, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->blocked = blocked;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
set_current_blocked(&blocked);
sig = restore_sigcontext32(&regs, &frame->sf_sc);
if (sig < 0)
......@@ -529,10 +520,7 @@ asmlinkage void sys32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->blocked = set;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
set_current_blocked(&set);
sig = restore_sigcontext32(&regs, &frame->rs_uc.uc_mcontext);
if (sig < 0)
......
arch/mips/kernel/signal_n32.c
浏览文件 @ bb27f55e
......@@ -93,11 +93,8 @@ asmlinkage int sysn32_rt_sigsuspend(nabi_no_regargs struct pt_regs regs)
sigset_from_compat(&newset, &uset);
sigdelsetmask(&newset, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->saved_sigmask = current->blocked;
current->blocked = newset;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
set_current_blocked(&newset);
current->state = TASK_INTERRUPTIBLE;
schedule();
......@@ -121,10 +118,7 @@ asmlinkage void sysn32_rt_sigreturn(nabi_no_regargs struct pt_regs regs)
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->blocked = set;
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
set_current_blocked(&set);
sig = restore_sigcontext(&regs, &frame->rs_uc.uc_mcontext);
if (sig < 0)
......
arch/powerpc/boot/dts/fsl/pq3-mpic-message-B.dtsi 0 → 100644
浏览文件 @ bb27f55e
/*
* PQ3 MPIC Message (Group B) device tree stub [ controller @ offset 0x42400 ]
*
* Copyright 2012 Freescale Semiconductor Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
message@42400 {
compatible = "fsl,mpic-v3.1-msgr";
reg = <0x42400 0x200>;
interrupts = <
0xb4 2 0 0
0xb5 2 0 0
0xb6 2 0 0
0xb7 2 0 0>;
};
arch/powerpc/boot/dts/fsl/pq3-mpic.dtsi
浏览文件 @ bb27f55e
......@@ -53,6 +53,16 @@ timer@41100 {
3 0 3 0>;
};
message@41400 {
compatible = "fsl,mpic-v3.1-msgr";
reg = <0x41400 0x200>;
interrupts = <
0xb0 2 0 0
0xb1 2 0 0
0xb2 2 0 0
0xb3 2 0 0>;
};
msi@41600 {
compatible = "fsl,mpic-msi";
reg = <0x41600 0x80>;
......
arch/powerpc/include/asm/irq.h
浏览文件 @ bb27f55e
......@@ -18,10 +18,6 @@
#include <linux/atomic.h>
/* Define a way to iterate across irqs. */
#define for_each_irq(i) \
for ((i) = 0; (i) < NR_IRQS; ++(i))
extern atomic_t ppc_n_lost_interrupts;
/* This number is used when no interrupt has been assigned */
......
arch/powerpc/include/asm/mpic.h
浏览文件 @ bb27f55e
......@@ -275,9 +275,6 @@ struct mpic
unsigned int isu_mask;
/* Number of sources */
unsigned int num_sources;
/* default senses array */
unsigned char *senses;
unsigned int senses_count;
/* vector numbers used for internal sources (ipi/timers) */
unsigned int ipi_vecs[4];
......@@ -415,21 +412,6 @@ extern struct mpic *mpic_alloc(struct device_node *node,
extern void mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
phys_addr_t phys_addr);
/* Set default sense codes
*
* @mpic: controller
* @senses: array of sense codes
* @count: size of above array
*
* Optionally provide an array (indexed on hardware interrupt numbers
* for this MPIC) of default sense codes for the chip. Those are linux
* sense codes IRQ_TYPE_*
*
* The driver gets ownership of the pointer, don't dispose of it or
* anything like that. __init only.
*/
extern void mpic_set_default_senses(struct mpic *mpic, u8 *senses, int count);
/* Initialize the controller. After this has been called, none of the above
* should be called again for this mpic
......
arch/powerpc/include/asm/mpic_msgr.h
浏览文件 @ bb27f55e
......@@ -13,6 +13,7 @@
#include <linux/types.h>
#include <linux/spinlock.h>
#include <asm/smp.h>
struct mpic_msgr {
u32 __iomem *base;
......
arch/powerpc/include/asm/reg_booke.h
浏览文件 @ bb27f55e
......@@ -15,11 +15,6 @@
#ifndef __ASM_POWERPC_REG_BOOKE_H__
#define __ASM_POWERPC_REG_BOOKE_H__
#ifdef CONFIG_BOOKE_WDT
extern u32 booke_wdt_enabled;
extern u32 booke_wdt_period;
#endif /* CONFIG_BOOKE_WDT */
/* Machine State Register (MSR) Fields */
#define MSR_GS (1<<28) /* Guest state */
#define MSR_UCLE (1<<26) /* User-mode cache lock enable */
......
arch/powerpc/kernel/irq.c
浏览文件 @ bb27f55e
......@@ -330,14 +330,10 @@ void migrate_irqs(void)
alloc_cpumask_var(&mask, GFP_KERNEL);
for_each_irq(irq) {
for_each_irq_desc(irq, desc) {
struct irq_data *data;
struct irq_chip *chip;
desc = irq_to_desc(irq);
if (!desc)
continue;
data = irq_desc_get_irq_data(desc);
if (irqd_is_per_cpu(data))
continue;
......
arch/powerpc/kernel/machine_kexec.c
浏览文件 @ bb27f55e
......@@ -23,14 +23,11 @@
void machine_kexec_mask_interrupts(void) {
unsigned int i;
struct irq_desc *desc;
for_each_irq(i) {
struct irq_desc *desc = irq_to_desc(i);
for_each_irq_desc(i, desc) {
struct irq_chip *chip;
if (!desc)
continue;
chip = irq_desc_get_chip(desc);
if (!chip)
continue;
......
arch/powerpc/kernel/setup_32.c
浏览文件 @ bb27f55e
......@@ -150,6 +150,9 @@ notrace void __init machine_init(u64 dt_ptr)
}
#ifdef CONFIG_BOOKE_WDT
extern u32 booke_wdt_enabled;
extern u32 booke_wdt_period;
/* Checks wdt=x and wdt_period=xx command-line option */
notrace int __init early_parse_wdt(char *p)
{
......
arch/powerpc/platforms/85xx/common.c
浏览文件 @ bb27f55e
......@@ -21,6 +21,12 @@ static struct of_device_id __initdata mpc85xx_common_ids[] = {
{ .compatible = "fsl,qe", },
{ .compatible = "fsl,cpm2", },
{ .compatible = "fsl,srio", },
/* So that the DMA channel nodes can be probed individually: */
{ .compatible = "fsl,eloplus-dma", },
/* For the PMC driver */
{ .compatible = "fsl,mpc8548-guts", },
/* Probably unnecessary? */
{ .compatible = "gpio-leds", },
{},
};
......
arch/powerpc/platforms/85xx/mpc85xx_mds.c
浏览文件 @ bb27f55e
......@@ -399,12 +399,6 @@ static int __init board_fixups(void)
machine_arch_initcall(mpc8568_mds, board_fixups);
machine_arch_initcall(mpc8569_mds, board_fixups);
static struct of_device_id mpc85xx_ids[] = {
{ .compatible = "fsl,mpc8548-guts", },
{ .compatible = "gpio-leds", },
{},
};
static int __init mpc85xx_publish_devices(void)
{
if (machine_is(mpc8568_mds))
......@@ -412,10 +406,7 @@ static int __init mpc85xx_publish_devices(void)
if (machine_is(mpc8569_mds))
simple_gpiochip_init("fsl,mpc8569mds-bcsr-gpio");
mpc85xx_common_publish_devices();
of_platform_bus_probe(NULL, mpc85xx_ids, NULL);
return 0;
return mpc85xx_common_publish_devices();
}
machine_device_initcall(mpc8568_mds, mpc85xx_publish_devices);
......
arch/powerpc/platforms/85xx/p1022_ds.c
浏览文件 @ bb27f55e
......@@ -460,18 +460,7 @@ static void __init p1022_ds_setup_arch(void)
pr_info("Freescale P1022 DS reference board\n");
}
static struct of_device_id __initdata p1022_ds_ids[] = {
/* So that the DMA channel nodes can be probed individually: */
{ .compatible = "fsl,eloplus-dma", },
{},
};
static int __init p1022_ds_publish_devices(void)
{
mpc85xx_common_publish_devices();
return of_platform_bus_probe(NULL, p1022_ds_ids, NULL);
}
machine_device_initcall(p1022_ds, p1022_ds_publish_devices);
machine_device_initcall(p1022_ds, mpc85xx_common_publish_devices);
machine_arch_initcall(p1022_ds, swiotlb_setup_bus_notifier);
......
arch/powerpc/platforms/cell/axon_msi.c
浏览文件 @ bb27f55e
......@@ -114,7 +114,7 @@ static void axon_msi_cascade(unsigned int irq, struct irq_desc *desc)
pr_devel("axon_msi: woff %x roff %x msi %x\n",
write_offset, msic->read_offset, msi);
if (msi < NR_IRQS && irq_get_chip_data(msi) == msic) {
if (msi < nr_irqs && irq_get_chip_data(msi) == msic) {
generic_handle_irq(msi);
msic->fifo_virt[idx] = cpu_to_le32(0xffffffff);
} else {
......@@ -276,9 +276,6 @@ static int axon_msi_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
if (rc)
return rc;
/* We rely on being able to stash a virq in a u16 */
BUILD_BUG_ON(NR_IRQS > 65536);
list_for_each_entry(entry, &dev->msi_list, list) {
virq = irq_create_direct_mapping(msic->irq_domain);
if (virq == NO_IRQ) {
......@@ -392,7 +389,8 @@ static int axon_msi_probe(struct platform_device *device)
}
memset(msic->fifo_virt, 0xff, MSIC_FIFO_SIZE_BYTES);
msic->irq_domain = irq_domain_add_nomap(dn, 0, &msic_host_ops, msic);
/* We rely on being able to stash a virq in a u16, so limit irqs to < 65536 */
msic->irq_domain = irq_domain_add_nomap(dn, 65536, &msic_host_ops, msic);
if (!msic->irq_domain) {
printk(KERN_ERR "axon_msi: couldn't allocate irq_domain for %s\n",
dn->full_name);
......
arch/powerpc/platforms/cell/beat_interrupt.c
浏览文件 @ bb27f55e
......@@ -248,6 +248,6 @@ void beatic_deinit_IRQ(void)
{
int i;
for (i = 1; i < NR_IRQS; i++)
for (i = 1; i < nr_irqs; i++)
beat_destruct_irq_plug(i);
}
arch/powerpc/platforms/powermac/low_i2c.c
浏览文件 @ bb27f55e
......@@ -366,11 +366,20 @@ static void kw_i2c_timeout(unsigned long data)
unsigned long flags;
spin_lock_irqsave(&host->lock, flags);
/*
* If the timer is pending, that means we raced with the
* irq, in which case we just return
*/
if (timer_pending(&host->timeout_timer))
goto skip;
kw_i2c_handle_interrupt(host, kw_read_reg(reg_isr));
if (host->state != state_idle) {
host->timeout_timer.expires = jiffies + KW_POLL_TIMEOUT;
add_timer(&host->timeout_timer);
}
skip:
spin_unlock_irqrestore(&host->lock, flags);
}
......
arch/powerpc/platforms/powermac/pic.c
浏览文件 @ bb27f55e
......@@ -57,9 +57,9 @@ static int max_real_irqs;
static DEFINE_RAW_SPINLOCK(pmac_pic_lock);
#define NR_MASK_WORDS ((NR_IRQS + 31) / 32)
static unsigned long ppc_lost_interrupts[NR_MASK_WORDS];
static unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
/* The max irq number this driver deals with is 128; see max_irqs */
static DECLARE_BITMAP(ppc_lost_interrupts, 128);
static DECLARE_BITMAP(ppc_cached_irq_mask, 128);
static int pmac_irq_cascade = -1;
static struct irq_domain *pmac_pic_host;
......
arch/powerpc/platforms/pseries/Kconfig
浏览文件 @ bb27f55e
......@@ -30,9 +30,9 @@ config PPC_SPLPAR
two or more partitions.
config EEH
bool "PCI Extended Error Handling (EEH)" if EXPERT
bool
depends on PPC_PSERIES && PCI
default y if !EXPERT
default y
config PSERIES_MSI
bool
......
arch/powerpc/platforms/pseries/eeh.c
浏览文件 @ bb27f55e
......@@ -1076,7 +1076,7 @@ static void eeh_add_device_late(struct pci_dev *dev)
pr_debug("EEH: Adding device %s\n", pci_name(dev));
dn = pci_device_to_OF_node(dev);
edev = pci_dev_to_eeh_dev(dev);
edev = of_node_to_eeh_dev(dn);
if (edev->pdev == dev) {
pr_debug("EEH: Already referenced !\n");
return;
......
arch/powerpc/sysdev/cpm2_pic.c
浏览文件 @ bb27f55e
......@@ -51,8 +51,7 @@
static intctl_cpm2_t __iomem *cpm2_intctl;
static struct irq_domain *cpm2_pic_host;
#define NR_MASK_WORDS ((NR_IRQS + 31) / 32)
static unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
static unsigned long ppc_cached_irq_mask[2]; /* 2 32-bit registers */
static const u_char irq_to_siureg[] = {
1, 1, 1, 1, 1, 1, 1, 1,
......
arch/powerpc/sysdev/mpc8xx_pic.c
浏览文件 @ bb27f55e
......@@ -18,69 +18,45 @@
extern int cpm_get_irq(struct pt_regs *regs);
static struct irq_domain *mpc8xx_pic_host;
#define NR_MASK_WORDS ((NR_IRQS + 31) / 32)
static unsigned long ppc_cached_irq_mask[NR_MASK_WORDS];
static unsigned long mpc8xx_cached_irq_mask;
static sysconf8xx_t __iomem *siu_reg;
int cpm_get_irq(struct pt_regs *regs);
static inline unsigned long mpc8xx_irqd_to_bit(struct irq_data *d)
{
return 0x80000000 >> irqd_to_hwirq(d);
}
static void mpc8xx_unmask_irq(struct irq_data *d)
{
int bit, word;
unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
bit = irq_nr & 0x1f;
word = irq_nr >> 5;
ppc_cached_irq_mask[word] |= (1 << (31-bit));
out_be32(&siu_reg->sc_simask, ppc_cached_irq_mask[word]);
mpc8xx_cached_irq_mask |= mpc8xx_irqd_to_bit(d);
out_be32(&siu_reg->sc_simask, mpc8xx_cached_irq_mask);
}
static void mpc8xx_mask_irq(struct irq_data *d)
{
int bit, word;
unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
bit = irq_nr & 0x1f;
word = irq_nr >> 5;
ppc_cached_irq_mask[word] &= ~(1 << (31-bit));
out_be32(&siu_reg->sc_simask, ppc_cached_irq_mask[word]);
mpc8xx_cached_irq_mask &= ~mpc8xx_irqd_to_bit(d);
out_be32(&siu_reg->sc_simask, mpc8xx_cached_irq_mask);
}
static void mpc8xx_ack(struct irq_data *d)
{
int bit;
unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
bit = irq_nr & 0x1f;
out_be32(&siu_reg->sc_sipend, 1 << (31-bit));
out_be32(&siu_reg->sc_sipend, mpc8xx_irqd_to_bit(d));
}
static void mpc8xx_end_irq(struct irq_data *d)
{
int bit, word;
unsigned int irq_nr = (unsigned int)irqd_to_hwirq(d);
bit = irq_nr & 0x1f;
word = irq_nr >> 5;
ppc_cached_irq_mask[word] |= (1 << (31-bit));
out_be32(&siu_reg->sc_simask, ppc_cached_irq_mask[word]);
mpc8xx_cached_irq_mask |= mpc8xx_irqd_to_bit(d);
out_be32(&siu_reg->sc_simask, mpc8xx_cached_irq_mask);
}
static int mpc8xx_set_irq_type(struct irq_data *d, unsigned int flow_type)
{
if (flow_type & IRQ_TYPE_EDGE_FALLING) {
irq_hw_number_t hw = (unsigned int)irqd_to_hwirq(d);
/* only external IRQ senses are programmable */
if ((flow_type & IRQ_TYPE_EDGE_FALLING) && !(irqd_to_hwirq(d) & 1)) {
unsigned int siel = in_be32(&siu_reg->sc_siel);
/* only external IRQ senses are programmable */
if ((hw & 1) == 0) {
siel |= (0x80000000 >> hw);
out_be32(&siu_reg->sc_siel, siel);
__irq_set_handler_locked(d->irq, handle_edge_irq);
}
siel |= mpc8xx_irqd_to_bit(d);
out_be32(&siu_reg->sc_siel, siel);
__irq_set_handler_locked(d->irq, handle_edge_irq);
}
return 0;
}
......@@ -132,6 +108,9 @@ static int mpc8xx_pic_host_xlate(struct irq_domain *h, struct device_node *ct,
IRQ_TYPE_EDGE_FALLING,
};
if (intspec[0] > 0x1f)
return 0;
*out_hwirq = intspec[0];
if (intsize > 1 && intspec[1] < 4)
*out_flags = map_pic_senses[intspec[1]];
......
arch/powerpc/sysdev/mpic.c
浏览文件 @ bb27f55e
......@@ -604,18 +604,14 @@ static struct mpic *mpic_find(unsigned int irq)
}
/* Determine if the linux irq is an IPI */
static unsigned int mpic_is_ipi(struct mpic *mpic, unsigned int irq)
static unsigned int mpic_is_ipi(struct mpic *mpic, unsigned int src)
{
unsigned int src = virq_to_hw(irq);
return (src >= mpic->ipi_vecs[0] && src <= mpic->ipi_vecs[3]);
}
/* Determine if the linux irq is a timer */
static unsigned int mpic_is_tm(struct mpic *mpic, unsigned int irq)
static unsigned int mpic_is_tm(struct mpic *mpic, unsigned int src)
{
unsigned int src = virq_to_hw(irq);
return (src >= mpic->timer_vecs[0] && src <= mpic->timer_vecs[7]);
}
......@@ -876,21 +872,45 @@ int mpic_set_irq_type(struct irq_data *d, unsigned int flow_type)
if (src >= mpic->num_sources)
return -EINVAL;
vold = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
/* We don't support "none" type */
if (flow_type == IRQ_TYPE_NONE)
if (mpic->senses && src < mpic->senses_count)
flow_type = mpic->senses[src];
if (flow_type == IRQ_TYPE_NONE)
flow_type = IRQ_TYPE_LEVEL_LOW;
flow_type = IRQ_TYPE_DEFAULT;
/* Default: read HW settings */
if (flow_type == IRQ_TYPE_DEFAULT) {
switch(vold & (MPIC_INFO(VECPRI_POLARITY_MASK) |
MPIC_INFO(VECPRI_SENSE_MASK))) {
case MPIC_INFO(VECPRI_SENSE_EDGE) |
MPIC_INFO(VECPRI_POLARITY_POSITIVE):
flow_type = IRQ_TYPE_EDGE_RISING;
break;
case MPIC_INFO(VECPRI_SENSE_EDGE) |
MPIC_INFO(VECPRI_POLARITY_NEGATIVE):
flow_type = IRQ_TYPE_EDGE_FALLING;
break;
case MPIC_INFO(VECPRI_SENSE_LEVEL) |
MPIC_INFO(VECPRI_POLARITY_POSITIVE):
flow_type = IRQ_TYPE_LEVEL_HIGH;
break;
case MPIC_INFO(VECPRI_SENSE_LEVEL) |
MPIC_INFO(VECPRI_POLARITY_NEGATIVE):
flow_type = IRQ_TYPE_LEVEL_LOW;
break;
}
}
/* Apply to irq desc */
irqd_set_trigger_type(d, flow_type);
/* Apply to HW */
if (mpic_is_ht_interrupt(mpic, src))
vecpri = MPIC_VECPRI_POLARITY_POSITIVE |
MPIC_VECPRI_SENSE_EDGE;
else
vecpri = mpic_type_to_vecpri(mpic, flow_type);
vold = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
vnew = vold & ~(MPIC_INFO(VECPRI_POLARITY_MASK) |
MPIC_INFO(VECPRI_SENSE_MASK));
vnew |= vecpri;
......@@ -1026,7 +1046,7 @@ static int mpic_host_map(struct irq_domain *h, unsigned int virq,
irq_set_chip_and_handler(virq, chip, handle_fasteoi_irq);
/* Set default irq type */
irq_set_irq_type(virq, IRQ_TYPE_NONE);
irq_set_irq_type(virq, IRQ_TYPE_DEFAULT);
/* If the MPIC was reset, then all vectors have already been
* initialized. Otherwise, a per source lazy initialization
......@@ -1417,12 +1437,6 @@ void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
mpic->num_sources = isu_first + mpic->isu_size;
}
void __init mpic_set_default_senses(struct mpic *mpic, u8 *senses, int count)
{
mpic->senses = senses;
mpic->senses_count = count;
}
void __init mpic_init(struct mpic *mpic)
{
int i, cpu;
......@@ -1555,12 +1569,12 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
return;
raw_spin_lock_irqsave(&mpic_lock, flags);
if (mpic_is_ipi(mpic, irq)) {
if (mpic_is_ipi(mpic, src)) {
reg = mpic_ipi_read(src - mpic->ipi_vecs[0]) &
~MPIC_VECPRI_PRIORITY_MASK;
mpic_ipi_write(src - mpic->ipi_vecs[0],
reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
} else if (mpic_is_tm(mpic, irq)) {
} else if (mpic_is_tm(mpic, src)) {
reg = mpic_tm_read(src - mpic->timer_vecs[0]) &
~MPIC_VECPRI_PRIORITY_MASK;
mpic_tm_write(src - mpic->timer_vecs[0],
......
arch/powerpc/sysdev/mpic_msgr.c
浏览文件 @ bb27f55e
......@@ -27,6 +27,7 @@
static struct mpic_msgr **mpic_msgrs;
static unsigned int mpic_msgr_count;
static DEFINE_RAW_SPINLOCK(msgrs_lock);
static inline void _mpic_msgr_mer_write(struct mpic_msgr *msgr, u32 value)
{
......@@ -56,12 +57,11 @@ struct mpic_msgr *mpic_msgr_get(unsigned int reg_num)
if (reg_num >= mpic_msgr_count)
return ERR_PTR(-ENODEV);
raw_spin_lock_irqsave(&msgr->lock, flags);
if (mpic_msgrs[reg_num]->in_use == MSGR_FREE) {
msgr = mpic_msgrs[reg_num];
raw_spin_lock_irqsave(&msgrs_lock, flags);
msgr = mpic_msgrs[reg_num];
if (msgr->in_use == MSGR_FREE)
msgr->in_use = MSGR_INUSE;
}
raw_spin_unlock_irqrestore(&msgr->lock, flags);
raw_spin_unlock_irqrestore(&msgrs_lock, flags);
return msgr;
}
......@@ -228,7 +228,7 @@ static __devinit int mpic_msgr_probe(struct platform_device *dev)
reg_number = block_number * MPIC_MSGR_REGISTERS_PER_BLOCK + i;
msgr->base = msgr_block_addr + i * MPIC_MSGR_STRIDE;
msgr->mer = msgr->base + MPIC_MSGR_MER_OFFSET;
msgr->mer = (u32 *)((u8 *)msgr->base + MPIC_MSGR_MER_OFFSET);
msgr->in_use = MSGR_FREE;
msgr->num = i;
raw_spin_lock_init(&msgr->lock);
......
arch/powerpc/sysdev/scom.c
浏览文件 @ bb27f55e
......@@ -22,6 +22,7 @@
#include <linux/debugfs.h>
#include <linux/slab.h>
#include <linux/export.h>
#include <asm/debug.h>
#include <asm/prom.h>
#include <asm/scom.h>
......
arch/powerpc/sysdev/xics/xics-common.c
浏览文件 @ bb27f55e
......@@ -188,6 +188,7 @@ void xics_migrate_irqs_away(void)
{
int cpu = smp_processor_id(), hw_cpu = hard_smp_processor_id();
unsigned int irq, virq;
struct irq_desc *desc;
/* If we used to be the default server, move to the new "boot_cpuid" */
if (hw_cpu == xics_default_server)
......@@ -202,8 +203,7 @@ void xics_migrate_irqs_away(void)
/* Allow IPIs again... */
icp_ops->set_priority(DEFAULT_PRIORITY);
for_each_irq(virq) {
struct irq_desc *desc;
for_each_irq_desc(virq, desc) {
struct irq_chip *chip;
long server;
unsigned long flags;
......@@ -212,9 +212,8 @@ void xics_migrate_irqs_away(void)
/* We can't set affinity on ISA interrupts */
if (virq < NUM_ISA_INTERRUPTS)
continue;
desc = irq_to_desc(virq);
/* We only need to migrate enabled IRQS */
if (!desc || !desc->action)
if (!desc->action)
continue;
if (desc->irq_data.domain != xics_host)
continue;
......
arch/sh/include/asm/atomic.h
浏览文件 @ bb27f55e
......@@ -11,7 +11,7 @@
#include <linux/types.h>
#include <asm/cmpxchg.h>
#define ATOMIC_INIT(i) ( (atomic_t) { (i) } )
#define ATOMIC_INIT(i) { (i) }
#define atomic_read(v) (*(volatile int *)&(v)->counter)
#define atomic_set(v,i) ((v)->counter = (i))
......
arch/sh/mm/fault_32.c
浏览文件 @ bb27f55e
......@@ -86,7 +86,7 @@ static noinline int vmalloc_fault(unsigned long address)
pte_t *pte_k;
/* Make sure we are in vmalloc/module/P3 area: */
if (!(address >= VMALLOC_START && address < P3_ADDR_MAX))
if (!(address >= P3SEG && address < P3_ADDR_MAX))
return -1;
/*
......
arch/tile/include/asm/pci.h
浏览文件 @ bb27f55e
......@@ -47,8 +47,8 @@ struct pci_controller {
*/
#define PCI_DMA_BUS_IS_PHYS 1
int __devinit tile_pci_init(void);
int __devinit pcibios_init(void);
int __init tile_pci_init(void);
int __init pcibios_init(void);
static inline void pci_iounmap(struct pci_dev *dev, void __iomem *addr) {}
......
arch/tile/kernel/pci.c
浏览文件 @ bb27f55e
......@@ -141,7 +141,7 @@ static int __devinit tile_init_irqs(int controller_id,
*
* Returns the number of controllers discovered.
*/
int __devinit tile_pci_init(void)
int __init tile_pci_init(void)
{
int i;
......@@ -287,7 +287,7 @@ static void __devinit fixup_read_and_payload_sizes(void)
* The controllers have been set up by the time we get here, by a call to
* tile_pci_init.
*/
int __devinit pcibios_init(void)
int __init pcibios_init(void)
{
int i;
......
arch/x86/boot/compressed/head_32.S
浏览文件 @ bb27f55e
......@@ -33,6 +33,9 @@
__HEAD
ENTRY(startup_32)
#ifdef CONFIG_EFI_STUB
jmp preferred_addr
.balign 0x10
/*
* We don't need the return address, so set up the stack so
* efi_main() can find its arugments.
......@@ -41,12 +44,17 @@ ENTRY(startup_32)
call efi_main
cmpl $0, %eax
je preferred_addr
movl %eax, %esi
call 1f
jne 2f
1:
/* EFI init failed, so hang. */
hlt
jmp 1b
2:
call 3f
3:
popl %eax
subl $1b, %eax
subl $3b, %eax
subl BP_pref_address(%esi), %eax
add BP_code32_start(%esi), %eax
leal preferred_addr(%eax), %eax
......
arch/x86/boot/compressed/head_64.S
浏览文件 @ bb27f55e
......@@ -200,18 +200,28 @@ ENTRY(startup_64)
* entire text+data+bss and hopefully all of memory.
*/
#ifdef CONFIG_EFI_STUB
pushq %rsi
/*
* The entry point for the PE/COFF executable is 0x210, so only
* legacy boot loaders will execute this jmp.
*/
jmp preferred_addr
.org 0x210
mov %rcx, %rdi
mov %rdx, %rsi
call efi_main
popq %rsi
cmpq $0,%rax
je preferred_addr
movq %rax,%rsi
call 1f
cmpq $0,%rax
jne 2f
1:
/* EFI init failed, so hang. */
hlt
jmp 1b
2:
call 3f
3:
popq %rax
subq $1b, %rax
subq $3b, %rax
subq BP_pref_address(%rsi), %rax
add BP_code32_start(%esi), %eax
leaq preferred_addr(%rax), %rax
......
arch/x86/boot/tools/build.c
浏览文件 @ bb27f55e
......@@ -205,8 +205,13 @@ int main(int argc, char ** argv)
put_unaligned_le32(file_sz, &buf[pe_header + 0x50]);
#ifdef CONFIG_X86_32
/* Address of entry point */
put_unaligned_le32(i, &buf[pe_header + 0x28]);
/*
* Address of entry point.
*
* The EFI stub entry point is +16 bytes from the start of
* the .text section.
*/
put_unaligned_le32(i + 16, &buf[pe_header + 0x28]);
/* .text size */
put_unaligned_le32(file_sz, &buf[pe_header + 0xb0]);
......@@ -217,9 +222,11 @@ int main(int argc, char ** argv)
/*
* Address of entry point. startup_32 is at the beginning and
* the 64-bit entry point (startup_64) is always 512 bytes
* after.
* after. The EFI stub entry point is 16 bytes after that, as
* the first instruction allows legacy loaders to jump over
* the EFI stub initialisation
*/
put_unaligned_le32(i + 512, &buf[pe_header + 0x28]);
put_unaligned_le32(i + 528, &buf[pe_header + 0x28]);
/* .text size */
put_unaligned_le32(file_sz, &buf[pe_header + 0xc0]);
......
arch/x86/include/asm/posix_types.h
浏览文件 @ bb27f55e
......@@ -7,9 +7,9 @@
#else
# ifdef __i386__
# include "posix_types_32.h"
# elif defined(__LP64__)
# include "posix_types_64.h"
# else
# elif defined(__ILP32__)
# include "posix_types_x32.h"
# else
# include "posix_types_64.h"
# endif
#endif
arch/x86/include/asm/sigcontext.h
浏览文件 @ bb27f55e
......@@ -257,7 +257,7 @@ struct sigcontext {
__u64 oldmask;
__u64 cr2;
struct _fpstate __user *fpstate; /* zero when no FPU context */
#ifndef __LP64__
#ifdef __ILP32__
__u32 __fpstate_pad;
#endif
__u64 reserved1[8];
......
arch/x86/include/asm/siginfo.h
浏览文件 @ bb27f55e
......@@ -2,7 +2,13 @@
#define _ASM_X86_SIGINFO_H
#ifdef __x86_64__
# define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
# ifdef __ILP32__ /* x32 */
typedef long long __kernel_si_clock_t __attribute__((aligned(4)));
# define __ARCH_SI_CLOCK_T __kernel_si_clock_t
# define __ARCH_SI_ATTRIBUTES __attribute__((aligned(8)))
# else /* x86-64 */
# define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
# endif
#endif
#include <asm-generic/siginfo.h>
......
arch/x86/include/asm/unistd.h
浏览文件 @ bb27f55e
......@@ -63,10 +63,10 @@
#else
# ifdef __i386__
# include <asm/unistd_32.h>
# elif defined(__LP64__)
# include <asm/unistd_64.h>
# else
# elif defined(__ILP32__)
# include <asm/unistd_x32.h>
# else
# include <asm/unistd_64.h>
# endif
#endif
......
arch/x86/include/asm/x86_init.h
浏览文件 @ bb27f55e
......@@ -195,6 +195,5 @@ extern struct x86_msi_ops x86_msi;
extern void x86_init_noop(void);
extern void x86_init_uint_noop(unsigned int unused);
extern void x86_default_fixup_cpu_id(struct cpuinfo_x86 *c, int node);
#endif
arch/x86/kernel/acpi/sleep.c
浏览文件 @ bb27f55e
......@@ -24,6 +24,10 @@ unsigned long acpi_realmode_flags;
static char temp_stack[4096];
#endif
asmlinkage void acpi_enter_s3(void)
{
acpi_enter_sleep_state(3, wake_sleep_flags);
}
/**
* acpi_suspend_lowlevel - save kernel state
*
......
arch/x86/kernel/acpi/sleep.h
浏览文件 @ bb27f55e
......@@ -3,12 +3,16 @@
*/
#include <asm/trampoline.h>
#include <linux/linkage.h>
extern unsigned long saved_video_mode;
extern long saved_magic;
extern int wakeup_pmode_return;
extern u8 wake_sleep_flags;
extern asmlinkage void acpi_enter_s3(void);
extern unsigned long acpi_copy_wakeup_routine(unsigned long);
extern void wakeup_long64(void);
......
arch/x86/kernel/acpi/wakeup_32.S
浏览文件 @ bb27f55e
......@@ -74,9 +74,7 @@ restore_registers:
ENTRY(do_suspend_lowlevel)
call save_processor_state
call save_registers
pushl $3
call acpi_enter_sleep_state
addl $4, %esp
call acpi_enter_s3
# In case of S3 failure, we'll emerge here. Jump
# to ret_point to recover
......
arch/x86/kernel/acpi/wakeup_64.S
浏览文件 @ bb27f55e
......@@ -71,9 +71,7 @@ ENTRY(do_suspend_lowlevel)
movq %rsi, saved_rsi
addq $8, %rsp
movl $3, %edi
xorl %eax, %eax
call acpi_enter_sleep_state
call acpi_enter_s3
/* in case something went wrong, restore the machine status and go on */
jmp resume_point
......
arch/x86/kernel/apic/apic.c
浏览文件 @ bb27f55e
......@@ -1637,9 +1637,11 @@ static int __init apic_verify(void)
mp_lapic_addr = APIC_DEFAULT_PHYS_BASE;
/* The BIOS may have set up the APIC at some other address */
rdmsr(MSR_IA32_APICBASE, l, h);
if (l & MSR_IA32_APICBASE_ENABLE)
mp_lapic_addr = l & MSR_IA32_APICBASE_BASE;
if (boot_cpu_data.x86 >= 6) {
rdmsr(MSR_IA32_APICBASE, l, h);
if (l & MSR_IA32_APICBASE_ENABLE)
mp_lapic_addr = l & MSR_IA32_APICBASE_BASE;
}
pr_info("Found and enabled local APIC!\n");
return 0;
......@@ -1657,13 +1659,15 @@ int __init apic_force_enable(unsigned long addr)
* MSR. This can only be done in software for Intel P6 or later
* and AMD K7 (Model > 1) or later.
*/
rdmsr(MSR_IA32_APICBASE, l, h);
if (!(l & MSR_IA32_APICBASE_ENABLE)) {
pr_info("Local APIC disabled by BIOS -- reenabling.\n");
l &= ~MSR_IA32_APICBASE_BASE;
l |= MSR_IA32_APICBASE_ENABLE | addr;
wrmsr(MSR_IA32_APICBASE, l, h);
enabled_via_apicbase = 1;
if (boot_cpu_data.x86 >= 6) {
rdmsr(MSR_IA32_APICBASE, l, h);
if (!(l & MSR_IA32_APICBASE_ENABLE)) {
pr_info("Local APIC disabled by BIOS -- reenabling.\n");
l &= ~MSR_IA32_APICBASE_BASE;
l |= MSR_IA32_APICBASE_ENABLE | addr;
wrmsr(MSR_IA32_APICBASE, l, h);
enabled_via_apicbase = 1;
}
}
return apic_verify();
}
......@@ -2209,10 +2213,12 @@ static void lapic_resume(void)
* FIXME! This will be wrong if we ever support suspend on
* SMP! We'll need to do this as part of the CPU restore!
*/
rdmsr(MSR_IA32_APICBASE, l, h);
l &= ~MSR_IA32_APICBASE_BASE;
l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr;
wrmsr(MSR_IA32_APICBASE, l, h);
if (boot_cpu_data.x86 >= 6) {
rdmsr(MSR_IA32_APICBASE, l, h);
l &= ~MSR_IA32_APICBASE_BASE;
l |= MSR_IA32_APICBASE_ENABLE | mp_lapic_addr;
wrmsr(MSR_IA32_APICBASE, l, h);
}
}
maxlvt = lapic_get_maxlvt();
......
arch/x86/kernel/apic/apic_numachip.c
浏览文件 @ bb27f55e
......@@ -207,8 +207,11 @@ static void __init map_csrs(void)
static void fixup_cpu_id(struct cpuinfo_x86 *c, int node)
{
c->phys_proc_id = node;
per_cpu(cpu_llc_id, smp_processor_id()) = node;
if (c->phys_proc_id != node) {
c->phys_proc_id = node;
per_cpu(cpu_llc_id, smp_processor_id()) = node;
}
}
static int __init numachip_system_init(void)
......
arch/x86/kernel/apic/x2apic_phys.c
浏览文件 @ bb27f55e
......@@ -24,6 +24,12 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
if (x2apic_phys)
return x2apic_enabled();
else if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
(acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL) &&
x2apic_enabled()) {
printk(KERN_DEBUG "System requires x2apic physical mode\n");
return 1;
}
else
return 0;
}
......
arch/x86/kernel/cpu/amd.c
浏览文件 @ bb27f55e
......@@ -26,7 +26,8 @@
* contact AMD for precise details and a CPU swap.
*
* See http://www.multimania.com/poulot/k6bug.html
* http://www.amd.com/K6/k6docs/revgd.html
* and section 2.6.2 of "AMD-K6 Processor Revision Guide - Model 6"
* (Publication # 21266 Issue Date: August 1998)
*
* The following test is erm.. interesting. AMD neglected to up
* the chip setting when fixing the bug but they also tweaked some
......@@ -94,7 +95,6 @@ static void __cpuinit init_amd_k6(struct cpuinfo_x86 *c)
"system stability may be impaired when more than 32 MB are used.\n");
else
printk(KERN_CONT "probably OK (after B9730xxxx).\n");
printk(KERN_INFO "Please see http://membres.lycos.fr/poulot/k6bug.html\n");
}
/* K6 with old style WHCR */
......@@ -353,10 +353,11 @@ static void __cpuinit srat_detect_node(struct cpuinfo_x86 *c)
node = per_cpu(cpu_llc_id, cpu);
/*
* If core numbers are inconsistent, it's likely a multi-fabric platform,
* so invoke platform-specific handler
* On multi-fabric platform (e.g. Numascale NumaChip) a
* platform-specific handler needs to be called to fixup some
* IDs of the CPU.
*/
if (c->phys_proc_id != node)
if (x86_cpuinit.fixup_cpu_id)
x86_cpuinit.fixup_cpu_id(c, node);
if (!node_online(node)) {
......
arch/x86/kernel/cpu/common.c
浏览文件 @ bb27f55e
......@@ -1162,15 +1162,6 @@ static void dbg_restore_debug_regs(void)
#define dbg_restore_debug_regs()
#endif /* ! CONFIG_KGDB */
/*
* Prints an error where the NUMA and configured core-number mismatch and the
* platform didn't override this to fix it up
*/
void __cpuinit x86_default_fixup_cpu_id(struct cpuinfo_x86 *c, int node)
{
pr_err("NUMA core number %d differs from configured core number %d\n", node, c->phys_proc_id);
}
/*
* cpu_init() initializes state that is per-CPU. Some data is already
* initialized (naturally) in the bootstrap process, such as the GDT
......
arch/x86/kernel/cpu/intel_cacheinfo.c
浏览文件 @ bb27f55e
......@@ -433,14 +433,14 @@ int amd_set_l3_disable_slot(struct amd_northbridge *nb, int cpu, unsigned slot,
/* check if @slot is already used or the index is already disabled */
ret = amd_get_l3_disable_slot(nb, slot);
if (ret >= 0)
return -EINVAL;
return -EEXIST;
if (index > nb->l3_cache.indices)
return -EINVAL;
/* check whether the other slot has disabled the same index already */
if (index == amd_get_l3_disable_slot(nb, !slot))
return -EINVAL;
return -EEXIST;
amd_l3_disable_index(nb, cpu, slot, index);
......@@ -468,8 +468,8 @@ static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf,
err = amd_set_l3_disable_slot(this_leaf->base.nb, cpu, slot, val);
if (err) {
if (err == -EEXIST)
printk(KERN_WARNING "L3 disable slot %d in use!\n",
slot);
pr_warning("L3 slot %d in use/index already disabled!\n",
slot);
return err;
}
return count;
......
arch/x86/kernel/i387.c
浏览文件 @ bb27f55e
......@@ -235,6 +235,7 @@ int init_fpu(struct task_struct *tsk)
if (tsk_used_math(tsk)) {
if (HAVE_HWFP && tsk == current)
unlazy_fpu(tsk);
tsk->thread.fpu.last_cpu = ~0;
return 0;
}
......
arch/x86/kernel/microcode_amd.c
浏览文件 @ bb27f55e
此差异已折叠。
arch/x86/kernel/microcode_core.c
浏览文件 @ bb27f55e
此差异已折叠。
arch/x86/kernel/x86_init.c
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include/linux/gpio-pxa.h
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