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提交 5a476def 编写于 作者: J Jeff Garzik
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Merge branch 'master'

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MAINTAINERS
浏览文件 @ 5a476def
......@@ -1618,6 +1618,13 @@ M: vandrove@vc.cvut.cz
L: linux-fbdev-devel@lists.sourceforge.net
S: Maintained
MEGARAID SCSI DRIVERS
P: Neela Syam Kolli
M: Neela.Kolli@engenio.com
S: linux-scsi@vger.kernel.org
W: http://megaraid.lsilogic.com
S: Maintained
MEMORY TECHNOLOGY DEVICES
P: David Woodhouse
M: dwmw2@infradead.org
......
Makefile
浏览文件 @ 5a476def
......@@ -660,8 +660,10 @@ quiet_cmd_sysmap = SYSMAP
# Link of vmlinux
# If CONFIG_KALLSYMS is set .version is already updated
# Generate System.map and verify that the content is consistent
# Use + in front of the vmlinux_version rule to silent warning with make -j2
# First command is ':' to allow us to use + in front of the rule
define rule_vmlinux__
:
$(if $(CONFIG_KALLSYMS),,+$(call cmd,vmlinux_version))
$(call cmd,vmlinux__)
......
arch/arm/kernel/vmlinux.lds.S
浏览文件 @ 5a476def
......@@ -89,13 +89,6 @@ SECTIONS
*(.got) /* Global offset table */
}
. = ALIGN(16);
__ex_table : { /* Exception table */
__start___ex_table = .;
*(__ex_table)
__stop___ex_table = .;
}
RODATA
_etext = .; /* End of text and rodata section */
......@@ -137,6 +130,14 @@ SECTIONS
. = ALIGN(32);
*(.data.cacheline_aligned)
/*
* The exception fixup table (might need resorting at runtime)
*/
. = ALIGN(32);
__start___ex_table = .;
*(__ex_table)
__stop___ex_table = .;
/*
* and the usual data section
*/
......
arch/arm/mach-l7200/core.c
浏览文件 @ 5a476def
......@@ -7,11 +7,17 @@
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/device.h>
#include <asm/types.h>
#include <asm/irq.h>
#include <asm/mach-types.h>
#include <asm/hardware.h>
#include <asm/page.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
/*
* IRQ base register
......@@ -47,6 +53,12 @@ static void l7200_unmask_irq(unsigned int irq)
{
IRQ_ENABLE = 1 << irq;
}
static struct irqchip l7200_irq_chip = {
.ack = l7200_mask_irq,
.mask = l7200_mask_irq,
.unmask = l7200_unmask_irq
};
static void __init l7200_init_irq(void)
{
......@@ -56,11 +68,9 @@ static void __init l7200_init_irq(void)
FIQ_ENABLECLEAR = 0xffffffff; /* clear all fast interrupt enables */
for (irq = 0; irq < NR_IRQS; irq++) {
irq_desc[irq].valid = 1;
irq_desc[irq].probe_ok = 1;
irq_desc[irq].mask_ack = l7200_mask_irq;
irq_desc[irq].mask = l7200_mask_irq;
irq_desc[irq].unmask = l7200_unmask_irq;
set_irq_chip(irq, &l7200_irq_chip);
set_irq_flags(irq, IRQF_VALID);
set_irq_handler(irq, do_level_IRQ);
}
init_FIQ();
......
arch/arm/mach-pxa/corgi_lcd.c
浏览文件 @ 5a476def
......@@ -467,6 +467,7 @@ void corgi_put_hsync(void)
{
if (get_hsync_time)
symbol_put(w100fb_get_hsynclen);
get_hsync_time = NULL;
}
void corgi_wait_hsync(void)
......@@ -476,20 +477,37 @@ void corgi_wait_hsync(void)
#endif
#ifdef CONFIG_PXA_SHARP_Cxx00
static struct device *spitz_pxafb_dev;
static int is_pxafb_device(struct device * dev, void * data)
{
struct platform_device *pdev = container_of(dev, struct platform_device, dev);
return (strncmp(pdev->name, "pxa2xx-fb", 9) == 0);
}
unsigned long spitz_get_hsync_len(void)
{
if (!spitz_pxafb_dev) {
spitz_pxafb_dev = bus_find_device(&platform_bus_type, NULL, NULL, is_pxafb_device);
if (!spitz_pxafb_dev)
return 0;
}
if (!get_hsync_time)
get_hsync_time = symbol_get(pxafb_get_hsync_time);
if (!get_hsync_time)
return 0;
return pxafb_get_hsync_time(&pxafb_device.dev);
return pxafb_get_hsync_time(spitz_pxafb_dev);
}
void spitz_put_hsync(void)
{
put_device(spitz_pxafb_dev);
if (get_hsync_time)
symbol_put(pxafb_get_hsync_time);
spitz_pxafb_dev = NULL;
get_hsync_time = NULL;
}
void spitz_wait_hsync(void)
......
arch/arm/mach-pxa/generic.c
浏览文件 @ 5a476def
......@@ -208,6 +208,11 @@ static struct platform_device pxafb_device = {
.resource = pxafb_resources,
};
void __init set_pxa_fb_parent(struct device *parent_dev)
{
pxafb_device.dev.parent = parent_dev;
}
static struct platform_device ffuart_device = {
.name = "pxa2xx-uart",
.id = 0,
......
arch/arm/mach-pxa/spitz.c
浏览文件 @ 5a476def
......@@ -36,7 +36,6 @@
#include <asm/arch/irq.h>
#include <asm/arch/mmc.h>
#include <asm/arch/udc.h>
#include <asm/arch/ohci.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/akita.h>
#include <asm/arch/spitz.h>
......@@ -304,7 +303,6 @@ static struct platform_device *devices[] __initdata = {
&spitzkbd_device,
&spitzts_device,
&spitzbl_device,
&spitzbattery_device,
};
static void __init common_init(void)
......@@ -328,7 +326,7 @@ static void __init common_init(void)
platform_add_devices(devices, ARRAY_SIZE(devices));
pxa_set_mci_info(&spitz_mci_platform_data);
pxafb_device.dev.parent = &spitzssp_device.dev;
set_pxa_fb_parent(&spitzssp_device.dev);
set_pxa_fb_info(&spitz_pxafb_info);
}
......
arch/arm/mach-s3c2410/Kconfig
浏览文件 @ 5a476def
......@@ -12,6 +12,7 @@ config MACH_ANUBIS
config ARCH_BAST
bool "Simtec Electronics BAST (EB2410ITX)"
select CPU_S3C2410
select ISA
help
Say Y here if you are using the Simtec Electronics EB2410ITX
development board (also known as BAST)
......
arch/m32r/kernel/smp.c
浏览文件 @ 5a476def
......@@ -275,12 +275,14 @@ static void flush_tlb_all_ipi(void *info)
*==========================================================================*/
void smp_flush_tlb_mm(struct mm_struct *mm)
{
int cpu_id = smp_processor_id();
int cpu_id;
cpumask_t cpu_mask;
unsigned long *mmc = &mm->context[cpu_id];
unsigned long *mmc;
unsigned long flags;
preempt_disable();
cpu_id = smp_processor_id();
mmc = &mm->context[cpu_id];
cpu_mask = mm->cpu_vm_mask;
cpu_clear(cpu_id, cpu_mask);
......@@ -343,12 +345,14 @@ void smp_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
void smp_flush_tlb_page(struct vm_area_struct *vma, unsigned long va)
{
struct mm_struct *mm = vma->vm_mm;
int cpu_id = smp_processor_id();
int cpu_id;
cpumask_t cpu_mask;
unsigned long *mmc = &mm->context[cpu_id];
unsigned long *mmc;
unsigned long flags;
preempt_disable();
cpu_id = smp_processor_id();
mmc = &mm->context[cpu_id];
cpu_mask = mm->cpu_vm_mask;
cpu_clear(cpu_id, cpu_mask);
......
arch/mips/pci/fixup-tb0226.c
浏览文件 @ 5a476def
/*
* fixup-tb0226.c, The TANBAC TB0226 specific PCI fixups.
*
* Copyright (C) 2002-2004 Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
* Copyright (C) 2002-2005 Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
......@@ -20,6 +20,7 @@
#include <linux/init.h>
#include <linux/pci.h>
#include <asm/vr41xx/giu.h>
#include <asm/vr41xx/tb0226.h>
int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
......@@ -29,42 +30,42 @@ int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
switch (slot) {
case 12:
vr41xx_set_irq_trigger(GD82559_1_PIN,
TRIGGER_LEVEL,
SIGNAL_THROUGH);
vr41xx_set_irq_level(GD82559_1_PIN, LEVEL_LOW);
IRQ_TRIGGER_LEVEL,
IRQ_SIGNAL_THROUGH);
vr41xx_set_irq_level(GD82559_1_PIN, IRQ_LEVEL_LOW);
irq = GD82559_1_IRQ;
break;
case 13:
vr41xx_set_irq_trigger(GD82559_2_PIN,
TRIGGER_LEVEL,
SIGNAL_THROUGH);
vr41xx_set_irq_level(GD82559_2_PIN, LEVEL_LOW);
IRQ_TRIGGER_LEVEL,
IRQ_SIGNAL_THROUGH);
vr41xx_set_irq_level(GD82559_2_PIN, IRQ_LEVEL_LOW);
irq = GD82559_2_IRQ;
break;
case 14:
switch (pin) {
case 1:
vr41xx_set_irq_trigger(UPD720100_INTA_PIN,
TRIGGER_LEVEL,
SIGNAL_THROUGH);
IRQ_TRIGGER_LEVEL,
IRQ_SIGNAL_THROUGH);
vr41xx_set_irq_level(UPD720100_INTA_PIN,
LEVEL_LOW);
IRQ_LEVEL_LOW);
irq = UPD720100_INTA_IRQ;
break;
case 2:
vr41xx_set_irq_trigger(UPD720100_INTB_PIN,
TRIGGER_LEVEL,
SIGNAL_THROUGH);
IRQ_TRIGGER_LEVEL,
IRQ_SIGNAL_THROUGH);
vr41xx_set_irq_level(UPD720100_INTB_PIN,
LEVEL_LOW);
IRQ_LEVEL_LOW);
irq = UPD720100_INTB_IRQ;
break;
case 3:
vr41xx_set_irq_trigger(UPD720100_INTC_PIN,
TRIGGER_LEVEL,
SIGNAL_THROUGH);
IRQ_TRIGGER_LEVEL,
IRQ_SIGNAL_THROUGH);
vr41xx_set_irq_level(UPD720100_INTC_PIN,
LEVEL_LOW);
IRQ_LEVEL_LOW);
irq = UPD720100_INTC_IRQ;
break;
default:
......
arch/ppc64/kernel/pmac_setup.c
浏览文件 @ 5a476def
......@@ -115,7 +115,7 @@ static void __pmac pmac_show_cpuinfo(struct seq_file *m)
/* find motherboard type */
seq_printf(m, "machine\t\t: ");
np = find_devices("device-tree");
np = of_find_node_by_path("/");
if (np != NULL) {
pp = (char *) get_property(np, "model", NULL);
if (pp != NULL)
......@@ -133,6 +133,7 @@ static void __pmac pmac_show_cpuinfo(struct seq_file *m)
}
seq_printf(m, "\n");
}
of_node_put(np);
} else
seq_printf(m, "PowerMac\n");
......
arch/sparc64/kernel/pci_iommu.c
浏览文件 @ 5a476def
......@@ -49,12 +49,6 @@ static void __iommu_flushall(struct pci_iommu *iommu)
/* Ensure completion of previous PIO writes. */
(void) pci_iommu_read(iommu->write_complete_reg);
/* Now update everyone's flush point. */
for (entry = 0; entry < PBM_NCLUSTERS; entry++) {
iommu->alloc_info[entry].flush =
iommu->alloc_info[entry].next;
}
}
#define IOPTE_CONSISTENT(CTX) \
......@@ -80,120 +74,117 @@ static void inline iopte_make_dummy(struct pci_iommu *iommu, iopte_t *iopte)
iopte_val(*iopte) = val;
}
void pci_iommu_table_init(struct pci_iommu *iommu, int tsbsize)
/* Based largely upon the ppc64 iommu allocator. */
static long pci_arena_alloc(struct pci_iommu *iommu, unsigned long npages)
{
int i;
tsbsize /= sizeof(iopte_t);
for (i = 0; i < tsbsize; i++)
iopte_make_dummy(iommu, &iommu->page_table[i]);
}
static iopte_t *alloc_streaming_cluster(struct pci_iommu *iommu, unsigned long npages)
{
iopte_t *iopte, *limit, *first;
unsigned long cnum, ent, flush_point;
cnum = 0;
while ((1UL << cnum) < npages)
cnum++;
iopte = (iommu->page_table +
(cnum << (iommu->page_table_sz_bits - PBM_LOGCLUSTERS)));
if (cnum == 0)
limit = (iommu->page_table +
iommu->lowest_consistent_map);
else
limit = (iopte +
(1 << (iommu->page_table_sz_bits - PBM_LOGCLUSTERS)));
iopte += ((ent = iommu->alloc_info[cnum].next) << cnum);
flush_point = iommu->alloc_info[cnum].flush;
first = iopte;
for (;;) {
if (IOPTE_IS_DUMMY(iommu, iopte)) {
if ((iopte + (1 << cnum)) >= limit)
ent = 0;
else
ent = ent + 1;
iommu->alloc_info[cnum].next = ent;
if (ent == flush_point)
__iommu_flushall(iommu);
break;
struct pci_iommu_arena *arena = &iommu->arena;
unsigned long n, i, start, end, limit;
int pass;
limit = arena->limit;
start = arena->hint;
pass = 0;
again:
n = find_next_zero_bit(arena->map, limit, start);
end = n + npages;
if (unlikely(end >= limit)) {
if (likely(pass < 1)) {
limit = start;
start = 0;
__iommu_flushall(iommu);
pass++;
goto again;
} else {
/* Scanned the whole thing, give up. */
return -1;
}
iopte += (1 << cnum);
ent++;
if (iopte >= limit) {
iopte = (iommu->page_table +
(cnum <<
(iommu->page_table_sz_bits - PBM_LOGCLUSTERS)));
ent = 0;
}
for (i = n; i < end; i++) {
if (test_bit(i, arena->map)) {
start = i + 1;
goto again;
}
if (ent == flush_point)
__iommu_flushall(iommu);
if (iopte == first)
goto bad;
}
/* I've got your streaming cluster right here buddy boy... */
return iopte;
for (i = n; i < end; i++)
__set_bit(i, arena->map);
bad:
printk(KERN_EMERG "pci_iommu: alloc_streaming_cluster of npages(%ld) failed!\n",
npages);
return NULL;
arena->hint = end;
return n;
}
static void free_streaming_cluster(struct pci_iommu *iommu, dma_addr_t base,
unsigned long npages, unsigned long ctx)
static void pci_arena_free(struct pci_iommu_arena *arena, unsigned long base, unsigned long npages)
{
unsigned long cnum, ent;
unsigned long i;
cnum = 0;
while ((1UL << cnum) < npages)
cnum++;
for (i = base; i < (base + npages); i++)
__clear_bit(i, arena->map);
}
ent = (base << (32 - IO_PAGE_SHIFT + PBM_LOGCLUSTERS - iommu->page_table_sz_bits))
>> (32 + PBM_LOGCLUSTERS + cnum - iommu->page_table_sz_bits);
void pci_iommu_table_init(struct pci_iommu *iommu, int tsbsize, u32 dma_offset, u32 dma_addr_mask)
{
unsigned long i, tsbbase, order, sz, num_tsb_entries;
num_tsb_entries = tsbsize / sizeof(iopte_t);
/* Setup initial software IOMMU state. */
spin_lock_init(&iommu->lock);
iommu->ctx_lowest_free = 1;
iommu->page_table_map_base = dma_offset;
iommu->dma_addr_mask = dma_addr_mask;
/* Allocate and initialize the free area map. */
sz = num_tsb_entries / 8;
sz = (sz + 7UL) & ~7UL;
iommu->arena.map = kmalloc(sz, GFP_KERNEL);
if (!iommu->arena.map) {
prom_printf("PCI_IOMMU: Error, kmalloc(arena.map) failed.\n");
prom_halt();
}
memset(iommu->arena.map, 0, sz);
iommu->arena.limit = num_tsb_entries;
/* If the global flush might not have caught this entry,
* adjust the flush point such that we will flush before
* ever trying to reuse it.
/* Allocate and initialize the dummy page which we
* set inactive IO PTEs to point to.
*/
#define between(X,Y,Z) (((Z) - (Y)) >= ((X) - (Y)))
if (between(ent, iommu->alloc_info[cnum].next, iommu->alloc_info[cnum].flush))
iommu->alloc_info[cnum].flush = ent;
#undef between
iommu->dummy_page = __get_free_pages(GFP_KERNEL, 0);
if (!iommu->dummy_page) {
prom_printf("PCI_IOMMU: Error, gfp(dummy_page) failed.\n");
prom_halt();
}
memset((void *)iommu->dummy_page, 0, PAGE_SIZE);
iommu->dummy_page_pa = (unsigned long) __pa(iommu->dummy_page);
/* Now allocate and setup the IOMMU page table itself. */
order = get_order(tsbsize);
tsbbase = __get_free_pages(GFP_KERNEL, order);
if (!tsbbase) {
prom_printf("PCI_IOMMU: Error, gfp(tsb) failed.\n");
prom_halt();
}
iommu->page_table = (iopte_t *)tsbbase;
for (i = 0; i < num_tsb_entries; i++)
iopte_make_dummy(iommu, &iommu->page_table[i]);
}
/* We allocate consistent mappings from the end of cluster zero. */
static iopte_t *alloc_consistent_cluster(struct pci_iommu *iommu, unsigned long npages)
static inline iopte_t *alloc_npages(struct pci_iommu *iommu, unsigned long npages)
{
iopte_t *iopte;
long entry;
iopte = iommu->page_table + (1 << (iommu->page_table_sz_bits - PBM_LOGCLUSTERS));
while (iopte > iommu->page_table) {
iopte--;
if (IOPTE_IS_DUMMY(iommu, iopte)) {
unsigned long tmp = npages;
entry = pci_arena_alloc(iommu, npages);
if (unlikely(entry < 0))
return NULL;
while (--tmp) {
iopte--;
if (!IOPTE_IS_DUMMY(iommu, iopte))
break;
}
if (tmp == 0) {
u32 entry = (iopte - iommu->page_table);
return iommu->page_table + entry;
}
if (entry < iommu->lowest_consistent_map)
iommu->lowest_consistent_map = entry;
return iopte;
}
}
}
return NULL;
static inline void free_npages(struct pci_iommu *iommu, dma_addr_t base, unsigned long npages)
{
pci_arena_free(&iommu->arena, base >> IO_PAGE_SHIFT, npages);
}
static int iommu_alloc_ctx(struct pci_iommu *iommu)
......@@ -233,7 +224,7 @@ void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_ad
struct pcidev_cookie *pcp;
struct pci_iommu *iommu;
iopte_t *iopte;
unsigned long flags, order, first_page, ctx;
unsigned long flags, order, first_page;
void *ret;
int npages;
......@@ -251,9 +242,10 @@ void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_ad
iommu = pcp->pbm->iommu;
spin_lock_irqsave(&iommu->lock, flags);
iopte = alloc_consistent_cluster(iommu, size >> IO_PAGE_SHIFT);
if (iopte == NULL) {
spin_unlock_irqrestore(&iommu->lock, flags);
iopte = alloc_npages(iommu, size >> IO_PAGE_SHIFT);
spin_unlock_irqrestore(&iommu->lock, flags);
if (unlikely(iopte == NULL)) {
free_pages(first_page, order);
return NULL;
}
......@@ -262,31 +254,15 @@ void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_ad
((iopte - iommu->page_table) << IO_PAGE_SHIFT));
ret = (void *) first_page;
npages = size >> IO_PAGE_SHIFT;
ctx = 0;
if (iommu->iommu_ctxflush)
ctx = iommu_alloc_ctx(iommu);
first_page = __pa(first_page);
while (npages--) {
iopte_val(*iopte) = (IOPTE_CONSISTENT(ctx) |
iopte_val(*iopte) = (IOPTE_CONSISTENT(0UL) |
IOPTE_WRITE |
(first_page & IOPTE_PAGE));
iopte++;
first_page += IO_PAGE_SIZE;
}
{
int i;
u32 daddr = *dma_addrp;
npages = size >> IO_PAGE_SHIFT;
for (i = 0; i < npages; i++) {
pci_iommu_write(iommu->iommu_flush, daddr);
daddr += IO_PAGE_SIZE;
}
}
spin_unlock_irqrestore(&iommu->lock, flags);
return ret;
}
......@@ -296,7 +272,7 @@ void pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu, dma_addr_
struct pcidev_cookie *pcp;
struct pci_iommu *iommu;
iopte_t *iopte;
unsigned long flags, order, npages, i, ctx;
unsigned long flags, order, npages;
npages = IO_PAGE_ALIGN(size) >> IO_PAGE_SHIFT;
pcp = pdev->sysdata;
......@@ -306,46 +282,7 @@ void pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu, dma_addr_
spin_lock_irqsave(&iommu->lock, flags);
if ((iopte - iommu->page_table) ==
iommu->lowest_consistent_map) {
iopte_t *walk = iopte + npages;
iopte_t *limit;
limit = (iommu->page_table +
(1 << (iommu->page_table_sz_bits - PBM_LOGCLUSTERS)));
while (walk < limit) {
if (!IOPTE_IS_DUMMY(iommu, walk))
break;
walk++;
}
iommu->lowest_consistent_map =
(walk - iommu->page_table);
}
/* Data for consistent mappings cannot enter the streaming
* buffers, so we only need to update the TSB. We flush
* the IOMMU here as well to prevent conflicts with the
* streaming mapping deferred tlb flush scheme.
*/
ctx = 0;
if (iommu->iommu_ctxflush)
ctx = (iopte_val(*iopte) & IOPTE_CONTEXT) >> 47UL;
for (i = 0; i < npages; i++, iopte++)
iopte_make_dummy(iommu, iopte);
if (iommu->iommu_ctxflush) {
pci_iommu_write(iommu->iommu_ctxflush, ctx);
} else {
for (i = 0; i < npages; i++) {
u32 daddr = dvma + (i << IO_PAGE_SHIFT);
pci_iommu_write(iommu->iommu_flush, daddr);
}
}
iommu_free_ctx(iommu, ctx);
free_npages(iommu, dvma, npages);
spin_unlock_irqrestore(&iommu->lock, flags);
......@@ -372,25 +309,27 @@ dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr, size_t sz, int direct
iommu = pcp->pbm->iommu;
strbuf = &pcp->pbm->stc;
if (direction == PCI_DMA_NONE)
BUG();
if (unlikely(direction == PCI_DMA_NONE))
goto bad_no_ctx;
oaddr = (unsigned long)ptr;
npages = IO_PAGE_ALIGN(oaddr + sz) - (oaddr & IO_PAGE_MASK);
npages >>= IO_PAGE_SHIFT;
spin_lock_irqsave(&iommu->lock, flags);
base = alloc_npages(iommu, npages);
ctx = 0;
if (iommu->iommu_ctxflush)
ctx = iommu_alloc_ctx(iommu);
spin_unlock_irqrestore(&iommu->lock, flags);
base = alloc_streaming_cluster(iommu, npages);
if (base == NULL)
if (unlikely(!base))
goto bad;
bus_addr = (iommu->page_table_map_base +
((base - iommu->page_table) << IO_PAGE_SHIFT));
ret = bus_addr | (oaddr & ~IO_PAGE_MASK);
base_paddr = __pa(oaddr & IO_PAGE_MASK);
ctx = 0;
if (iommu->iommu_ctxflush)
ctx = iommu_alloc_ctx(iommu);
if (strbuf->strbuf_enabled)
iopte_protection = IOPTE_STREAMING(ctx);
else
......@@ -401,12 +340,13 @@ dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr, size_t sz, int direct
for (i = 0; i < npages; i++, base++, base_paddr += IO_PAGE_SIZE)
iopte_val(*base) = iopte_protection | base_paddr;
spin_unlock_irqrestore(&iommu->lock, flags);
return ret;
bad:
spin_unlock_irqrestore(&iommu->lock, flags);
iommu_free_ctx(iommu, ctx);
bad_no_ctx:
if (printk_ratelimit())
WARN_ON(1);
return PCI_DMA_ERROR_CODE;
}
......@@ -481,10 +421,13 @@ void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int
struct pci_iommu *iommu;
struct pci_strbuf *strbuf;
iopte_t *base;
unsigned long flags, npages, ctx;
unsigned long flags, npages, ctx, i;
if (direction == PCI_DMA_NONE)
BUG();
if (unlikely(direction == PCI_DMA_NONE)) {
if (printk_ratelimit())
WARN_ON(1);
return;
}
pcp = pdev->sysdata;
iommu = pcp->pbm->iommu;
......@@ -510,13 +453,14 @@ void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int
/* Step 1: Kick data out of streaming buffers if necessary. */
if (strbuf->strbuf_enabled)
pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
pci_strbuf_flush(strbuf, iommu, bus_addr, ctx,
npages, direction);
/* Step 2: Clear out first TSB entry. */
iopte_make_dummy(iommu, base);
/* Step 2: Clear out TSB entries. */
for (i = 0; i < npages; i++)
iopte_make_dummy(iommu, base + i);
free_streaming_cluster(iommu, bus_addr - iommu->page_table_map_base,
npages, ctx);
free_npages(iommu, bus_addr - iommu->page_table_map_base, npages);
iommu_free_ctx(iommu, ctx);
......@@ -621,6 +565,8 @@ int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int
pci_map_single(pdev,
(page_address(sglist->page) + sglist->offset),
sglist->length, direction);
if (unlikely(sglist->dma_address == PCI_DMA_ERROR_CODE))
return 0;
sglist->dma_length = sglist->length;
return 1;
}
......@@ -629,21 +575,29 @@ int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int
iommu = pcp->pbm->iommu;
strbuf = &pcp->pbm->stc;
if (direction == PCI_DMA_NONE)
BUG();
if (unlikely(direction == PCI_DMA_NONE))
goto bad_no_ctx;
/* Step 1: Prepare scatter list. */
npages = prepare_sg(sglist, nelems);
/* Step 2: Allocate a cluster. */
/* Step 2: Allocate a cluster and context, if necessary. */
spin_lock_irqsave(&iommu->lock, flags);
base = alloc_streaming_cluster(iommu, npages);
base = alloc_npages(iommu, npages);
ctx = 0;
if (iommu->iommu_ctxflush)
ctx = iommu_alloc_ctx(iommu);
spin_unlock_irqrestore(&iommu->lock, flags);
if (base == NULL)
goto bad;
dma_base = iommu->page_table_map_base + ((base - iommu->page_table) << IO_PAGE_SHIFT);
dma_base = iommu->page_table_map_base +
((base - iommu->page_table) << IO_PAGE_SHIFT);
/* Step 3: Normalize DMA addresses. */
used = nelems;
......@@ -656,30 +610,28 @@ int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int
}
used = nelems - used;
/* Step 4: Choose a context if necessary. */
ctx = 0;
if (iommu->iommu_ctxflush)
ctx = iommu_alloc_ctx(iommu);
/* Step 5: Create the mappings. */
/* Step 4: Create the mappings. */
if (strbuf->strbuf_enabled)
iopte_protection = IOPTE_STREAMING(ctx);
else
iopte_protection = IOPTE_CONSISTENT(ctx);
if (direction != PCI_DMA_TODEVICE)
iopte_protection |= IOPTE_WRITE;
fill_sg (base, sglist, used, nelems, iopte_protection);
fill_sg(base, sglist, used, nelems, iopte_protection);
#ifdef VERIFY_SG
verify_sglist(sglist, nelems, base, npages);
#endif
spin_unlock_irqrestore(&iommu->lock, flags);
return used;
bad:
spin_unlock_irqrestore(&iommu->lock, flags);
return PCI_DMA_ERROR_CODE;
iommu_free_ctx(iommu, ctx);
bad_no_ctx:
if (printk_ratelimit())
WARN_ON(1);
return 0;
}
/* Unmap a set of streaming mode DMA translations. */
......@@ -692,8 +644,10 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems,
unsigned long flags, ctx, i, npages;
u32 bus_addr;
if (direction == PCI_DMA_NONE)
BUG();
if (unlikely(direction == PCI_DMA_NONE)) {
if (printk_ratelimit())
WARN_ON(1);
}
pcp = pdev->sysdata;
iommu = pcp->pbm->iommu;
......@@ -705,7 +659,8 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems,
if (sglist[i].dma_length == 0)
break;
i--;
npages = (IO_PAGE_ALIGN(sglist[i].dma_address + sglist[i].dma_length) - bus_addr) >> IO_PAGE_SHIFT;
npages = (IO_PAGE_ALIGN(sglist[i].dma_address + sglist[i].dma_length) -
bus_addr) >> IO_PAGE_SHIFT;
base = iommu->page_table +
((bus_addr - iommu->page_table_map_base) >> IO_PAGE_SHIFT);
......@@ -726,11 +681,11 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems,
if (strbuf->strbuf_enabled)
pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
/* Step 2: Clear out first TSB entry. */
iopte_make_dummy(iommu, base);
/* Step 2: Clear out the TSB entries. */
for (i = 0; i < npages; i++)
iopte_make_dummy(iommu, base + i);
free_streaming_cluster(iommu, bus_addr - iommu->page_table_map_base,
npages, ctx);
free_npages(iommu, bus_addr - iommu->page_table_map_base, npages);
iommu_free_ctx(iommu, ctx);
......
arch/sparc64/kernel/pci_psycho.c
浏览文件 @ 5a476def
......@@ -1207,13 +1207,9 @@ static void psycho_scan_bus(struct pci_controller_info *p)
static void psycho_iommu_init(struct pci_controller_info *p)
{
struct pci_iommu *iommu = p->pbm_A.iommu;
unsigned long tsbbase, i;
unsigned long i;
u64 control;
/* Setup initial software IOMMU state. */
spin_lock_init(&iommu->lock);
iommu->ctx_lowest_free = 1;
/* Register addresses. */
iommu->iommu_control = p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL;
iommu->iommu_tsbbase = p->pbm_A.controller_regs + PSYCHO_IOMMU_TSBBASE;
......@@ -1240,40 +1236,10 @@ static void psycho_iommu_init(struct pci_controller_info *p)
/* Leave diag mode enabled for full-flushing done
* in pci_iommu.c
*/
pci_iommu_table_init(iommu, IO_TSB_SIZE, 0xc0000000, 0xffffffff);
iommu->dummy_page = __get_free_pages(GFP_KERNEL, 0);
if (!iommu->dummy_page) {
prom_printf("PSYCHO_IOMMU: Error, gfp(dummy_page) failed.\n");
prom_halt();
}
memset((void *)iommu->dummy_page, 0, PAGE_SIZE);
iommu->dummy_page_pa = (unsigned long) __pa(iommu->dummy_page);
/* Using assumed page size 8K with 128K entries we need 1MB iommu page
* table (128K ioptes * 8 bytes per iopte). This is
* page order 7 on UltraSparc.
*/
tsbbase = __get_free_pages(GFP_KERNEL, get_order(IO_TSB_SIZE));
if (!tsbbase) {
prom_printf("PSYCHO_IOMMU: Error, gfp(tsb) failed.\n");
prom_halt();
}
iommu->page_table = (iopte_t *)tsbbase;
iommu->page_table_sz_bits = 17;
iommu->page_table_map_base = 0xc0000000;
iommu->dma_addr_mask = 0xffffffff;
pci_iommu_table_init(iommu, IO_TSB_SIZE);
/* We start with no consistent mappings. */
iommu->lowest_consistent_map =
1 << (iommu->page_table_sz_bits - PBM_LOGCLUSTERS);
for (i = 0; i < PBM_NCLUSTERS; i++) {
iommu->alloc_info[i].flush = 0;
iommu->alloc_info[i].next = 0;
}
psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_TSBBASE, __pa(tsbbase));
psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_TSBBASE,
__pa(iommu->page_table));
control = psycho_read(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL);
control &= ~(PSYCHO_IOMMU_CTRL_TSBSZ | PSYCHO_IOMMU_CTRL_TBWSZ);
......@@ -1281,7 +1247,7 @@ static void psycho_iommu_init(struct pci_controller_info *p)
psycho_write(p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL, control);
/* If necessary, hook us up for starfire IRQ translations. */
if(this_is_starfire)
if (this_is_starfire)
p->starfire_cookie = starfire_hookup(p->pbm_A.portid);
else
p->starfire_cookie = NULL;
......
arch/sparc64/kernel/pci_sabre.c
浏览文件 @ 5a476def
......@@ -1267,13 +1267,9 @@ static void sabre_iommu_init(struct pci_controller_info *p,
u32 dma_mask)
{
struct pci_iommu *iommu = p->pbm_A.iommu;
unsigned long tsbbase, i, order;
unsigned long i;
u64 control;
/* Setup initial software IOMMU state. */
spin_lock_init(&iommu->lock);
iommu->ctx_lowest_free = 1;
/* Register addresses. */
iommu->iommu_control = p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL;
iommu->iommu_tsbbase = p->pbm_A.controller_regs + SABRE_IOMMU_TSBBASE;
......@@ -1295,26 +1291,10 @@ static void sabre_iommu_init(struct pci_controller_info *p,
/* Leave diag mode enabled for full-flushing done
* in pci_iommu.c
*/
pci_iommu_table_init(iommu, tsbsize * 1024 * 8, dvma_offset, dma_mask);
iommu->dummy_page = __get_free_pages(GFP_KERNEL, 0);
if (!iommu->dummy_page) {
prom_printf("PSYCHO_IOMMU: Error, gfp(dummy_page) failed.\n");
prom_halt();
}
memset((void *)iommu->dummy_page, 0, PAGE_SIZE);
iommu->dummy_page_pa = (unsigned long) __pa(iommu->dummy_page);
tsbbase = __get_free_pages(GFP_KERNEL, order = get_order(tsbsize * 1024 * 8));
if (!tsbbase) {
prom_printf("SABRE_IOMMU: Error, gfp(tsb) failed.\n");
prom_halt();
}
iommu->page_table = (iopte_t *)tsbbase;
iommu->page_table_map_base = dvma_offset;
iommu->dma_addr_mask = dma_mask;
pci_iommu_table_init(iommu, PAGE_SIZE << order);
sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_TSBBASE, __pa(tsbbase));
sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_TSBBASE,
__pa(iommu->page_table));
control = sabre_read(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL);
control &= ~(SABRE_IOMMUCTRL_TSBSZ | SABRE_IOMMUCTRL_TBWSZ);
......@@ -1322,11 +1302,9 @@ static void sabre_iommu_init(struct pci_controller_info *p,
switch(tsbsize) {
case 64:
control |= SABRE_IOMMU_TSBSZ_64K;
iommu->page_table_sz_bits = 16;
break;
case 128:
control |= SABRE_IOMMU_TSBSZ_128K;
iommu->page_table_sz_bits = 17;
break;
default:
prom_printf("iommu_init: Illegal TSB size %d\n", tsbsize);
......@@ -1334,15 +1312,6 @@ static void sabre_iommu_init(struct pci_controller_info *p,
break;
}
sabre_write(p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL, control);
/* We start with no consistent mappings. */
iommu->lowest_consistent_map =
1 << (iommu->page_table_sz_bits - PBM_LOGCLUSTERS);
for (i = 0; i < PBM_NCLUSTERS; i++) {
iommu->alloc_info[i].flush = 0;
iommu->alloc_info[i].next = 0;
}
}
static void pbm_register_toplevel_resources(struct pci_controller_info *p,
......
arch/sparc64/kernel/pci_schizo.c
浏览文件 @ 5a476def
......@@ -1765,7 +1765,7 @@ static void schizo_pbm_strbuf_init(struct pci_pbm_info *pbm)
static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm)
{
struct pci_iommu *iommu = pbm->iommu;
unsigned long tsbbase, i, tagbase, database, order;
unsigned long i, tagbase, database;
u32 vdma[2], dma_mask;
u64 control;
int err, tsbsize;
......@@ -1800,10 +1800,6 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm)
prom_halt();
};
/* Setup initial software IOMMU state. */
spin_lock_init(&iommu->lock);
iommu->ctx_lowest_free = 1;
/* Register addresses, SCHIZO has iommu ctx flushing. */
iommu->iommu_control = pbm->pbm_regs + SCHIZO_IOMMU_CONTROL;
iommu->iommu_tsbbase = pbm->pbm_regs + SCHIZO_IOMMU_TSBBASE;
......@@ -1832,56 +1828,9 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm)
/* Leave diag mode enabled for full-flushing done
* in pci_iommu.c
*/
pci_iommu_table_init(iommu, tsbsize * 8 * 1024, vdma[0], dma_mask);
iommu->dummy_page = __get_free_pages(GFP_KERNEL, 0);
if (!iommu->dummy_page) {
prom_printf("PSYCHO_IOMMU: Error, gfp(dummy_page) failed.\n");
prom_halt();
}
memset((void *)iommu->dummy_page, 0, PAGE_SIZE);
iommu->dummy_page_pa = (unsigned long) __pa(iommu->dummy_page);
/* Using assumed page size 8K with 128K entries we need 1MB iommu page
* table (128K ioptes * 8 bytes per iopte). This is
* page order 7 on UltraSparc.
*/
order = get_order(tsbsize * 8 * 1024);
tsbbase = __get_free_pages(GFP_KERNEL, order);
if (!tsbbase) {
prom_printf("%s: Error, gfp(tsb) failed.\n", pbm->name);
prom_halt();
}
iommu->page_table = (iopte_t *)tsbbase;
iommu->page_table_map_base = vdma[0];
iommu->dma_addr_mask = dma_mask;
pci_iommu_table_init(iommu, PAGE_SIZE << order);
switch (tsbsize) {
case 64:
iommu->page_table_sz_bits = 16;
break;
case 128:
iommu->page_table_sz_bits = 17;
break;
default:
prom_printf("iommu_init: Illegal TSB size %d\n", tsbsize);
prom_halt();
break;
};
/* We start with no consistent mappings. */
iommu->lowest_consistent_map =
1 << (iommu->page_table_sz_bits - PBM_LOGCLUSTERS);
for (i = 0; i < PBM_NCLUSTERS; i++) {
iommu->alloc_info[i].flush = 0;
iommu->alloc_info[i].next = 0;
}
schizo_write(iommu->iommu_tsbbase, __pa(tsbbase));
schizo_write(iommu->iommu_tsbbase, __pa(iommu->page_table));
control = schizo_read(iommu->iommu_control);
control &= ~(SCHIZO_IOMMU_CTRL_TSBSZ | SCHIZO_IOMMU_CTRL_TBWSZ);
......
arch/sparc64/kernel/smp.c
浏览文件 @ 5a476def
......@@ -1001,13 +1001,6 @@ void smp_penguin_jailcell(int irq, struct pt_regs *regs)
preempt_enable();
}
extern unsigned long xcall_promstop;
void smp_promstop_others(void)
{
smp_cross_call(&xcall_promstop, 0, 0, 0);
}
#define prof_multiplier(__cpu) cpu_data(__cpu).multiplier
#define prof_counter(__cpu) cpu_data(__cpu).counter
......
arch/sparc64/mm/ultra.S
浏览文件 @ 5a476def
......@@ -453,22 +453,6 @@ xcall_flush_dcache_page_spitfire: /* %g1 == physical page address
nop
nop
.globl xcall_promstop
xcall_promstop:
rdpr %pstate, %g2
wrpr %g2, PSTATE_IG | PSTATE_AG, %pstate
rdpr %pil, %g2
wrpr %g0, 15, %pil
sethi %hi(109f), %g7
b,pt %xcc, etrap_irq
109: or %g7, %lo(109b), %g7
flushw
call prom_stopself
nop
/* We should not return, just spin if we do... */
1: b,a,pt %xcc, 1b
nop
.data
errata32_hwbug:
......
arch/sparc64/prom/misc.c
浏览文件 @ 5a476def
......@@ -68,19 +68,11 @@ void prom_cmdline(void)
local_irq_restore(flags);
}
#ifdef CONFIG_SMP
extern void smp_promstop_others(void);
#endif
/* Drop into the prom, but completely terminate the program.
* No chance of continuing.
*/
void prom_halt(void)
{
#ifdef CONFIG_SMP
smp_promstop_others();
udelay(8000);
#endif
again:
p1275_cmd("exit", P1275_INOUT(0, 0));
goto again; /* PROM is out to get me -DaveM */
......@@ -88,10 +80,6 @@ void prom_halt(void)
void prom_halt_power_off(void)
{
#ifdef CONFIG_SMP
smp_promstop_others();
udelay(8000);
#endif
p1275_cmd("SUNW,power-off", P1275_INOUT(0, 0));
/* if nothing else helps, we just halt */
......
drivers/acpi/event.c
浏览文件 @ 5a476def
......@@ -58,9 +58,8 @@ acpi_system_read_event(struct file *file, char __user * buffer, size_t count,
return_VALUE(-EAGAIN);
result = acpi_bus_receive_event(&event);
if (result) {
return_VALUE(-EIO);
}
if (result)
return_VALUE(result);
chars_remaining = sprintf(str, "%s %s %08x %08x\n",
event.device_class ? event.
......
drivers/char/mbcs.c
浏览文件 @ 5a476def
......@@ -830,6 +830,9 @@ static int __init mbcs_init(void)
{
int rv;
if (!ia64_platform_is("sn2"))
return -ENODEV;
// Put driver into chrdevs[]. Get major number.
rv = register_chrdev(mbcs_major, DEVICE_NAME, &mbcs_ops);
if (rv < 0) {
......
drivers/char/n_r3964.c
浏览文件 @ 5a476def
......@@ -695,7 +695,7 @@ static void receive_char(struct r3964_info *pInfo, const unsigned char c)
{
TRACE_PE("IDLE - got STX but no space in rx_queue!");
pInfo->state=R3964_WAIT_FOR_RX_BUF;
mod_timer(&pInfo->tmr, R3964_TO_NO_BUF);
mod_timer(&pInfo->tmr, jiffies + R3964_TO_NO_BUF);
break;
}
start_receiving:
......@@ -705,7 +705,7 @@ static void receive_char(struct r3964_info *pInfo, const unsigned char c)
pInfo->last_rx = 0;
pInfo->flags &= ~R3964_ERROR;
pInfo->state=R3964_RECEIVING;
mod_timer(&pInfo->tmr, R3964_TO_ZVZ);
mod_timer(&pInfo->tmr, jiffies + R3964_TO_ZVZ);
pInfo->nRetry = 0;
put_char(pInfo, DLE);
flush(pInfo);
......@@ -732,7 +732,7 @@ static void receive_char(struct r3964_info *pInfo, const unsigned char c)
if(pInfo->flags & R3964_BCC)
{
pInfo->state = R3964_WAIT_FOR_BCC;
mod_timer(&pInfo->tmr, R3964_TO_ZVZ);
mod_timer(&pInfo->tmr, jiffies + R3964_TO_ZVZ);
}
else
{
......@@ -744,7 +744,7 @@ static void receive_char(struct r3964_info *pInfo, const unsigned char c)
pInfo->last_rx = c;
char_to_buf:
pInfo->rx_buf[pInfo->rx_position++] = c;
mod_timer(&pInfo->tmr, R3964_TO_ZVZ);
mod_timer(&pInfo->tmr, jiffies + R3964_TO_ZVZ);
}
}
/* else: overflow-msg? BUF_SIZE>MTU; should not happen? */
......
drivers/input/keyboard/Kconfig
浏览文件 @ 5a476def
......@@ -93,7 +93,7 @@ config KEYBOARD_LKKBD
config KEYBOARD_LOCOMO
tristate "LoCoMo Keyboard Support"
depends on SHARP_LOCOMO
depends on SHARP_LOCOMO && INPUT_KEYBOARD
help
Say Y here if you are running Linux on a Sharp Zaurus Collie or Poodle based PDA
......
drivers/input/keyboard/spitzkbd.c
浏览文件 @ 5a476def
......@@ -53,7 +53,7 @@ static unsigned char spitzkbd_keycode[NR_SCANCODES] = {
KEY_LEFTCTRL, KEY_1, KEY_3, KEY_5, KEY_6, KEY_7, KEY_9, KEY_0, KEY_BACKSPACE, SPITZ_KEY_EXOK, SPITZ_KEY_EXCANCEL, 0, 0, 0, 0, 0, /* 1-16 */
0, KEY_2, KEY_4, KEY_R, KEY_Y, KEY_8, KEY_I, KEY_O, KEY_P, SPITZ_KEY_EXJOGDOWN, SPITZ_KEY_EXJOGUP, 0, 0, 0, 0, 0, /* 17-32 */
KEY_TAB, KEY_Q, KEY_E, KEY_T, KEY_G, KEY_U, KEY_J, KEY_K, 0, 0, 0, 0, 0, 0, 0, 0, /* 33-48 */
SPITZ_KEY_CALENDER, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, /* 49-64 */
SPITZ_KEY_CALENDER, KEY_W, KEY_S, KEY_F, KEY_V, KEY_H, KEY_M, KEY_L, 0, KEY_RIGHTSHIFT, 0, 0, 0, 0, 0, 0, /* 49-64 */
SPITZ_KEY_ADDRESS, KEY_A, KEY_D, KEY_C, KEY_B, KEY_N, KEY_DOT, 0, KEY_ENTER, KEY_LEFTSHIFT, 0, 0, 0, 0, 0, 0, /* 65-80 */
SPITZ_KEY_MAIL, KEY_Z, KEY_X, KEY_MINUS, KEY_SPACE, KEY_COMMA, 0, KEY_UP, 0, 0, SPITZ_KEY_FN, 0, 0, 0, 0, 0, /* 81-96 */
KEY_SYSRQ, SPITZ_KEY_JAP1, SPITZ_KEY_JAP2, SPITZ_KEY_CANCEL, SPITZ_KEY_OK, SPITZ_KEY_MENU, KEY_LEFT, KEY_DOWN, KEY_RIGHT, 0, 0, 0, 0, 0, 0, 0 /* 97-112 */
......
drivers/input/misc/uinput.c
浏览文件 @ 5a476def
......@@ -90,11 +90,11 @@ static inline int uinput_request_reserve_slot(struct uinput_device *udev, struct
static void uinput_request_done(struct uinput_device *udev, struct uinput_request *request)
{
complete(&request->done);
/* Mark slot as available */
udev->requests[request->id] = NULL;
wake_up_interruptible(&udev->requests_waitq);
complete(&request->done);
}
static int uinput_request_submit(struct input_dev *dev, struct uinput_request *request)
......
drivers/media/radio/radio-cadet.c
浏览文件 @ 5a476def
......@@ -543,7 +543,7 @@ static int cadet_probe(void)
for(i=0;i<8;i++) {
io=iovals[i];
if(request_region(io,2, "cadet-probe")>=0) {
if (request_region(io, 2, "cadet-probe")) {
cadet_setfreq(1410);
if(cadet_getfreq()==1410) {
release_region(io, 2);
......
drivers/media/video/vpx3220.c
浏览文件 @ 5a476def
......@@ -203,7 +203,7 @@ static const unsigned short init_ntsc[] = {
0x8c, 640, /* Horizontal length */
0x8d, 640, /* Number of pixels */
0x8f, 0xc00, /* Disable window 2 */
0xf0, 0x173, /* 13.5 MHz transport, Forced
0xf0, 0x73, /* 13.5 MHz transport, Forced
* mode, latch windows */
0xf2, 0x13, /* NTSC M, composite input */
0xe7, 0x1e1, /* Enable vertical standard
......@@ -212,38 +212,36 @@ static const unsigned short init_ntsc[] = {
static const unsigned short init_pal[] = {
0x88, 23, /* Window 1 vertical begin */
0x89, 288 + 16, /* Vertical lines in (16 lines
0x89, 288, /* Vertical lines in (16 lines
* skipped by the VFE) */
0x8a, 288 + 16, /* Vertical lines out (16 lines
0x8a, 288, /* Vertical lines out (16 lines
* skipped by the VFE) */
0x8b, 16, /* Horizontal begin */
0x8c, 768, /* Horizontal length */
0x8d, 784, /* Number of pixels
* Must be >= Horizontal begin + Horizontal length */
0x8f, 0xc00, /* Disable window 2 */
0xf0, 0x177, /* 13.5 MHz transport, Forced
0xf0, 0x77, /* 13.5 MHz transport, Forced
* mode, latch windows */
0xf2, 0x3d1, /* PAL B,G,H,I, composite input */
0xe7, 0x261, /* PAL/SECAM set to 288 + 16 lines
* change to 0x241 for 288 lines */
0xe7, 0x241, /* PAL/SECAM set to 288 lines */
};
static const unsigned short init_secam[] = {
0x88, 23 - 16, /* Window 1 vertical begin */
0x89, 288 + 16, /* Vertical lines in (16 lines
0x88, 23, /* Window 1 vertical begin */
0x89, 288, /* Vertical lines in (16 lines
* skipped by the VFE) */
0x8a, 288 + 16, /* Vertical lines out (16 lines
0x8a, 288, /* Vertical lines out (16 lines
* skipped by the VFE) */
0x8b, 16, /* Horizontal begin */
0x8c, 768, /* Horizontal length */
0x8d, 784, /* Number of pixels
* Must be >= Horizontal begin + Horizontal length */
0x8f, 0xc00, /* Disable window 2 */
0xf0, 0x177, /* 13.5 MHz transport, Forced
0xf0, 0x77, /* 13.5 MHz transport, Forced
* mode, latch windows */
0xf2, 0x3d5, /* SECAM, composite input */
0xe7, 0x261, /* PAL/SECAM set to 288 + 16 lines
* change to 0x241 for 288 lines */
0xe7, 0x241, /* PAL/SECAM set to 288 lines */
};
static const unsigned char init_common[] = {
......@@ -410,6 +408,12 @@ vpx3220_command (struct i2c_client *client,
case DECODER_SET_NORM:
{
int *iarg = arg, data;
int temp_input;
/* Here we back up the input selection because it gets
overwritten when we fill the registers with the
choosen video norm */
temp_input = vpx3220_fp_read(client, 0xf2);
dprintk(1, KERN_DEBUG "%s: DECODER_SET_NORM %d\n",
I2C_NAME(client), *iarg);
......@@ -449,6 +453,10 @@ vpx3220_command (struct i2c_client *client,
}
decoder->norm = *iarg;
/* And here we set the backed up video input again */
vpx3220_fp_write(client, 0xf2, temp_input | 0x0010);
udelay(10);
}
break;
......
drivers/net/wireless/Kconfig
浏览文件 @ 5a476def
......@@ -243,7 +243,7 @@ config IPW_DEBUG
config AIRO
tristate "Cisco/Aironet 34X/35X/4500/4800 ISA and PCI cards"
depends on NET_RADIO && ISA && (PCI || BROKEN)
depends on NET_RADIO && ISA_DMA_API && (PCI || BROKEN)
---help---
This is the standard Linux driver to support Cisco/Aironet ISA and
PCI 802.11 wireless cards.
......
drivers/pci/quirks.c
浏览文件 @ 5a476def
......@@ -1233,7 +1233,7 @@ static void __init quirk_alder_ioapic(struct pci_dev *pdev)
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_EESSC, quirk_alder_ioapic );
#endif
#ifdef CONFIG_SCSI_SATA
#ifdef CONFIG_SCSI_SATA_INTEL_COMBINED
static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev)
{
u8 prog, comb, tmp;
......@@ -1310,7 +1310,7 @@ static void __devinit quirk_intel_ide_combined(struct pci_dev *pdev)
request_region(0x170, 8, "libata"); /* port 1 */
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, quirk_intel_ide_combined );
#endif /* CONFIG_SCSI_SATA */
#endif /* CONFIG_SCSI_SATA_INTEL_COMBINED */
int pcie_mch_quirk;
......
drivers/pcmcia/soc_common.c
浏览文件 @ 5a476def
......@@ -66,7 +66,7 @@ void soc_pcmcia_debug(struct soc_pcmcia_socket *skt, const char *func,
if (pc_debug > lvl) {
printk(KERN_DEBUG "skt%u: %s: ", skt->nr, func);
va_start(args, fmt);
printk(fmt, args);
vprintk(fmt, args);
va_end(args);
}
}
......@@ -321,8 +321,6 @@ soc_common_pcmcia_get_socket(struct pcmcia_socket *sock, socket_state_t *state)
* less punt all of this work and let the kernel handle the details
* of power configuration, reset, &c. We also record the value of
* `state' in order to regurgitate it to the PCMCIA core later.
*
* Returns: 0
*/
static int
soc_common_pcmcia_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
......@@ -407,7 +405,7 @@ soc_common_pcmcia_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *m
* the map speed as requested, but override the address ranges
* supplied by Card Services.
*
* Returns: 0 on success, -1 on error
* Returns: 0 on success, -ERRNO on error
*/
static int
soc_common_pcmcia_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *map)
......@@ -655,8 +653,8 @@ static void soc_pcmcia_cpufreq_unregister(void)
}
#else
#define soc_pcmcia_cpufreq_register()
#define soc_pcmcia_cpufreq_unregister()
static int soc_pcmcia_cpufreq_register(void) { return 0; }
static void soc_pcmcia_cpufreq_unregister(void) {}
#endif
int soc_common_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops, int first, int nr)
......@@ -738,7 +736,7 @@ int soc_common_drv_pcmcia_probe(struct device *dev, struct pcmcia_low_level *ops
goto out_err_5;
}
if ( list_empty(&soc_pcmcia_sockets) )
if (list_empty(&soc_pcmcia_sockets))
soc_pcmcia_cpufreq_register();
list_add(&skt->node, &soc_pcmcia_sockets);
......@@ -839,7 +837,7 @@ int soc_common_drv_pcmcia_remove(struct device *dev)
release_resource(&skt->res_io);
release_resource(&skt->res_skt);
}
if ( list_empty(&soc_pcmcia_sockets) )
if (list_empty(&soc_pcmcia_sockets))
soc_pcmcia_cpufreq_unregister();
up(&soc_pcmcia_sockets_lock);
......
drivers/scsi/Kconfig
浏览文件 @ 5a476def
......@@ -569,6 +569,11 @@ config SCSI_SATA_VITESSE
If unsure, say N.
config SCSI_SATA_INTEL_COMBINED
bool
depends on IDE=y && !BLK_DEV_IDE_SATA && (SCSI_SATA_AHCI || SCSI_ATA_PIIX)
default y
config SCSI_BUSLOGIC
tristate "BusLogic SCSI support"
depends on (PCI || ISA || MCA) && SCSI && ISA_DMA_API
......
drivers/scsi/aacraid/linit.c
浏览文件 @ 5a476def
......@@ -453,9 +453,9 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
/*
* We can exit If all the commands are complete
*/
spin_unlock_irq(host->host_lock);
if (active == 0)
return SUCCESS;
spin_unlock_irq(host->host_lock);
ssleep(1);
spin_lock_irq(host->host_lock);
}
......
drivers/scsi/qlogicpti.c
浏览文件 @ 5a476def
......@@ -1119,6 +1119,36 @@ static inline void update_can_queue(struct Scsi_Host *host, u_int in_ptr, u_int
host->sg_tablesize = QLOGICPTI_MAX_SG(num_free);
}
static unsigned int scsi_rbuf_get(struct scsi_cmnd *cmd, unsigned char **buf_out)
{
unsigned char *buf;
unsigned int buflen;
if (cmd->use_sg) {
struct scatterlist *sg;
sg = (struct scatterlist *) cmd->request_buffer;
buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
buflen = sg->length;
} else {
buf = cmd->request_buffer;
buflen = cmd->request_bufflen;
}
*buf_out = buf;
return buflen;
}
static void scsi_rbuf_put(struct scsi_cmnd *cmd, unsigned char *buf)
{
if (cmd->use_sg) {
struct scatterlist *sg;
sg = (struct scatterlist *) cmd->request_buffer;
kunmap_atomic(buf - sg->offset, KM_IRQ0);
}
}
/*
* Until we scan the entire bus with inquiries, go throught this fella...
*/
......@@ -1145,11 +1175,9 @@ static void ourdone(struct scsi_cmnd *Cmnd)
int ok = host_byte(Cmnd->result) == DID_OK;
if (Cmnd->cmnd[0] == 0x12 && ok) {
unsigned char *iqd;
unsigned int iqd_len;
if (Cmnd->use_sg != 0)
BUG();
iqd = ((unsigned char *)Cmnd->buffer);
iqd_len = scsi_rbuf_get(Cmnd, &iqd);
/* tags handled in midlayer */
/* enable sync mode? */
......@@ -1163,6 +1191,9 @@ static void ourdone(struct scsi_cmnd *Cmnd)
if (iqd[7] & 0x20) {
qpti->dev_param[tgt].device_flags |= 0x20;
}
scsi_rbuf_put(Cmnd, iqd);
qpti->sbits |= (1 << tgt);
} else if (!ok) {
qpti->sbits |= (1 << tgt);
......
drivers/serial/8250_pnp.c
浏览文件 @ 5a476def
......@@ -272,6 +272,8 @@ static const struct pnp_device_id pnp_dev_table[] = {
{ "SUP1421", 0 },
/* SupraExpress 33.6 Data/Fax PnP modem */
{ "SUP1590", 0 },
/* SupraExpress 336i Sp ASVD */
{ "SUP1620", 0 },
/* SupraExpress 33.6 Data/Fax PnP modem */
{ "SUP1760", 0 },
/* Phoebe Micro */
......
drivers/serial/sh-sci.c
浏览文件 @ 5a476def
......@@ -967,7 +967,7 @@ static int sci_startup(struct uart_port *port)
#endif
sci_request_irq(s);
sci_start_tx(port, 1);
sci_start_tx(port);
sci_start_rx(port, 1);
return 0;
......
drivers/usb/host/isp116x-hcd.c
浏览文件 @ 5a476def
......@@ -326,7 +326,8 @@ static void postproc_atl_queue(struct isp116x *isp116x)
usb_settoggle(udev, ep->epnum,
ep->nextpid ==
USB_PID_OUT,
PTD_GET_TOGGLE(ptd) ^ 1);
PTD_GET_TOGGLE(ptd));
urb->actual_length += PTD_GET_COUNT(ptd);
urb->status = cc_to_error[TD_DATAUNDERRUN];
spin_unlock(&urb->lock);
continue;
......
drivers/usb/input/hid-core.c
浏览文件 @ 5a476def
......@@ -1702,10 +1702,7 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
if ((endpoint->bmAttributes & 3) != 3) /* Not an interrupt endpoint */
continue;
/* handle potential highspeed HID correctly */
interval = endpoint->bInterval;
if (dev->speed == USB_SPEED_HIGH)
interval = 1 << (interval - 1);
/* Change the polling interval of mice. */
if (hid->collection->usage == HID_GD_MOUSE && hid_mousepoll_interval > 0)
......
drivers/usb/serial/generic.c
浏览文件 @ 5a476def
......@@ -223,7 +223,7 @@ int usb_serial_generic_write_room (struct usb_serial_port *port)
dbg("%s - port %d", __FUNCTION__, port->number);
if (serial->num_bulk_out) {
if (port->write_urb_busy)
if (!(port->write_urb_busy))
room = port->bulk_out_size;
}
......
drivers/video/console/vgacon.c
浏览文件 @ 5a476def
......@@ -565,7 +565,11 @@ static int vgacon_switch(struct vc_data *c)
scr_memcpyw((u16 *) c->vc_origin, (u16 *) c->vc_screenbuf,
c->vc_screenbuf_size > vga_vram_size ?
vga_vram_size : c->vc_screenbuf_size);
vgacon_doresize(c, c->vc_cols, c->vc_rows);
if (!(vga_video_num_columns % 2) &&
vga_video_num_columns <= ORIG_VIDEO_COLS &&
vga_video_num_lines <= (ORIG_VIDEO_LINES *
vga_default_font_height) / c->vc_font.height)
vgacon_doresize(c, c->vc_cols, c->vc_rows);
}
return 0; /* Redrawing not needed */
......@@ -1023,7 +1027,8 @@ static int vgacon_resize(struct vc_data *c, unsigned int width,
if (width % 2 || width > ORIG_VIDEO_COLS ||
height > (ORIG_VIDEO_LINES * vga_default_font_height)/
c->vc_font.height)
return -EINVAL;
/* let svgatextmode tinker with video timings */
return 0;
if (CON_IS_VISIBLE(c) && !vga_is_gfx) /* who knows */
vgacon_doresize(c, width, height);
......
drivers/video/sa1100fb.c
浏览文件 @ 5a476def
......@@ -592,6 +592,7 @@ sa1100fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
return ret;
}
#ifdef CONFIG_CPU_FREQ
/*
* sa1100fb_display_dma_period()
* Calculate the minimum period (in picoseconds) between two DMA
......@@ -606,6 +607,7 @@ static inline unsigned int sa1100fb_display_dma_period(struct fb_var_screeninfo
*/
return var->pixclock * 8 * 16 / var->bits_per_pixel;
}
#endif
/*
* sa1100fb_check_var():
......
drivers/w1/w1.c
浏览文件 @ 5a476def
......@@ -77,8 +77,7 @@ static void w1_master_release(struct device *dev)
dev_dbg(dev, "%s: Releasing %s.\n", __func__, md->name);
if (md->nls && md->nls->sk_socket)
sock_release(md->nls->sk_socket);
dev_fini_netlink(md);
memset(md, 0, sizeof(struct w1_master) + sizeof(struct w1_bus_master));
kfree(md);
}
......
fs/aio.c
浏览文件 @ 5a476def
......@@ -398,7 +398,7 @@ static struct kiocb fastcall *__aio_get_req(struct kioctx *ctx)
if (unlikely(!req))
return NULL;
req->ki_flags = 1 << KIF_LOCKED;
req->ki_flags = 0;
req->ki_users = 2;
req->ki_key = 0;
req->ki_ctx = ctx;
......@@ -547,25 +547,6 @@ struct kioctx *lookup_ioctx(unsigned long ctx_id)
return ioctx;
}
static int lock_kiocb_action(void *param)
{
schedule();
return 0;
}
static inline void lock_kiocb(struct kiocb *iocb)
{
wait_on_bit_lock(&iocb->ki_flags, KIF_LOCKED, lock_kiocb_action,
TASK_UNINTERRUPTIBLE);
}
static inline void unlock_kiocb(struct kiocb *iocb)
{
kiocbClearLocked(iocb);
smp_mb__after_clear_bit();
wake_up_bit(&iocb->ki_flags, KIF_LOCKED);
}
/*
* use_mm
* Makes the calling kernel thread take on the specified
......@@ -796,9 +777,7 @@ static int __aio_run_iocbs(struct kioctx *ctx)
* Hold an extra reference while retrying i/o.
*/
iocb->ki_users++; /* grab extra reference */
lock_kiocb(iocb);
aio_run_iocb(iocb);
unlock_kiocb(iocb);
if (__aio_put_req(ctx, iocb)) /* drop extra ref */
put_ioctx(ctx);
}
......@@ -1542,7 +1521,6 @@ int fastcall io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
spin_lock_irq(&ctx->ctx_lock);
aio_run_iocb(req);
unlock_kiocb(req);
if (!list_empty(&ctx->run_list)) {
/* drain the run list */
while (__aio_run_iocbs(ctx))
......@@ -1674,7 +1652,6 @@ asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
if (NULL != cancel) {
struct io_event tmp;
pr_debug("calling cancel\n");
lock_kiocb(kiocb);
memset(&tmp, 0, sizeof(tmp));
tmp.obj = (u64)(unsigned long)kiocb->ki_obj.user;
tmp.data = kiocb->ki_user_data;
......@@ -1686,7 +1663,6 @@ asmlinkage long sys_io_cancel(aio_context_t ctx_id, struct iocb __user *iocb,
if (copy_to_user(result, &tmp, sizeof(tmp)))
ret = -EFAULT;
}
unlock_kiocb(kiocb);
} else
ret = -EINVAL;
......
fs/nfs/delegation.c
浏览文件 @ 5a476def
......@@ -85,6 +85,10 @@ int nfs_inode_set_delegation(struct inode *inode, struct rpc_cred *cred, struct
struct nfs_delegation *delegation;
int status = 0;
/* Ensure we first revalidate the attributes and page cache! */
if ((nfsi->cache_validity & (NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_ATTR)))
__nfs_revalidate_inode(NFS_SERVER(inode), inode);
delegation = nfs_alloc_delegation();
if (delegation == NULL)
return -ENOMEM;
......
fs/nfs/file.c
浏览文件 @ 5a476def
......@@ -137,7 +137,8 @@ static int nfs_revalidate_file(struct inode *inode, struct file *filp)
struct nfs_inode *nfsi = NFS_I(inode);
int retval = 0;
if ((nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE) || nfs_attribute_timeout(inode))
if ((nfsi->cache_validity & (NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_ATTR))
|| nfs_attribute_timeout(inode))
retval = __nfs_revalidate_inode(NFS_SERVER(inode), inode);
nfs_revalidate_mapping(inode, filp->f_mapping);
return 0;
......
fs/nfs/inode.c
浏览文件 @ 5a476def
......@@ -877,12 +877,10 @@ static int nfs_wait_on_inode(struct inode *inode)
sigset_t oldmask;
int error;
atomic_inc(&inode->i_count);
rpc_clnt_sigmask(clnt, &oldmask);
error = wait_on_bit_lock(&nfsi->flags, NFS_INO_REVALIDATING,
nfs_wait_schedule, TASK_INTERRUPTIBLE);
rpc_clnt_sigunmask(clnt, &oldmask);
iput(inode);
return error;
}
......@@ -1226,10 +1224,6 @@ int nfs_refresh_inode(struct inode *inode, struct nfs_fattr *fattr)
loff_t cur_size, new_isize;
int data_unstable;
/* Do we hold a delegation? */
if (nfs_have_delegation(inode, FMODE_READ))
return 0;
spin_lock(&inode->i_lock);
/* Are we in the process of updating data on the server? */
......@@ -1350,7 +1344,8 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr, unsign
nfsi->read_cache_jiffies = fattr->timestamp;
/* Are we racing with known updates of the metadata on the server? */
data_unstable = ! nfs_verify_change_attribute(inode, verifier);
data_unstable = ! (nfs_verify_change_attribute(inode, verifier) ||
(nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE));
/* Check if our cached file size is stale */
new_isize = nfs_size_to_loff_t(fattr->size);
......
fs/proc/base.c
浏览文件 @ 5a476def
......@@ -103,7 +103,9 @@ enum pid_directory_inos {
PROC_TGID_NUMA_MAPS,
PROC_TGID_MOUNTS,
PROC_TGID_WCHAN,
#ifdef CONFIG_MMU
PROC_TGID_SMAPS,
#endif
#ifdef CONFIG_SCHEDSTATS
PROC_TGID_SCHEDSTAT,
#endif
......@@ -141,7 +143,9 @@ enum pid_directory_inos {
PROC_TID_NUMA_MAPS,
PROC_TID_MOUNTS,
PROC_TID_WCHAN,
#ifdef CONFIG_MMU
PROC_TID_SMAPS,
#endif
#ifdef CONFIG_SCHEDSTATS
PROC_TID_SCHEDSTAT,
#endif
......@@ -195,7 +199,9 @@ static struct pid_entry tgid_base_stuff[] = {
E(PROC_TGID_ROOT, "root", S_IFLNK|S_IRWXUGO),
E(PROC_TGID_EXE, "exe", S_IFLNK|S_IRWXUGO),
E(PROC_TGID_MOUNTS, "mounts", S_IFREG|S_IRUGO),
#ifdef CONFIG_MMU
E(PROC_TGID_SMAPS, "smaps", S_IFREG|S_IRUGO),
#endif
#ifdef CONFIG_SECURITY
E(PROC_TGID_ATTR, "attr", S_IFDIR|S_IRUGO|S_IXUGO),
#endif
......@@ -235,7 +241,9 @@ static struct pid_entry tid_base_stuff[] = {
E(PROC_TID_ROOT, "root", S_IFLNK|S_IRWXUGO),
E(PROC_TID_EXE, "exe", S_IFLNK|S_IRWXUGO),
E(PROC_TID_MOUNTS, "mounts", S_IFREG|S_IRUGO),
#ifdef CONFIG_MMU
E(PROC_TID_SMAPS, "smaps", S_IFREG|S_IRUGO),
#endif
#ifdef CONFIG_SECURITY
E(PROC_TID_ATTR, "attr", S_IFDIR|S_IRUGO|S_IXUGO),
#endif
......@@ -630,6 +638,7 @@ static struct file_operations proc_numa_maps_operations = {
};
#endif
#ifdef CONFIG_MMU
extern struct seq_operations proc_pid_smaps_op;
static int smaps_open(struct inode *inode, struct file *file)
{
......@@ -648,6 +657,7 @@ static struct file_operations proc_smaps_operations = {
.llseek = seq_lseek,
.release = seq_release,
};
#endif
extern struct seq_operations mounts_op;
static int mounts_open(struct inode *inode, struct file *file)
......@@ -1681,10 +1691,12 @@ static struct dentry *proc_pident_lookup(struct inode *dir,
case PROC_TGID_MOUNTS:
inode->i_fop = &proc_mounts_operations;
break;
#ifdef CONFIG_MMU
case PROC_TID_SMAPS:
case PROC_TGID_SMAPS:
inode->i_fop = &proc_smaps_operations;
break;
#endif
#ifdef CONFIG_SECURITY
case PROC_TID_ATTR:
inode->i_nlink = 2;
......
fs/proc/nommu.c
浏览文件 @ 5a476def
......@@ -91,6 +91,7 @@ static void *nommu_vma_list_start(struct seq_file *m, loff_t *_pos)
next = _rb;
break;
}
pos--;
}
return next;
......
include/asm-arm/arch-pxa/pxafb.h
浏览文件 @ 5a476def
......@@ -66,4 +66,5 @@ struct pxafb_mach_info {
};
void set_pxa_fb_info(struct pxafb_mach_info *hard_pxa_fb_info);
void set_pxa_fb_parent(struct device *parent_dev);
unsigned long pxafb_get_hsync_time(struct device *dev);
include/asm-arm/arch-s3c2410/io.h
浏览文件 @ 5a476def
......@@ -9,7 +9,7 @@
* 06-Dec-1997 RMK Created.
* 02-Sep-2003 BJD Modified for S3C2410
* 10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
*
* 13-Oct-2005 BJD Fixed problems with LDRH/STRH offset range
*/
#ifndef __ASM_ARM_ARCH_IO_H
......@@ -97,7 +97,7 @@ DECLARE_IO(int,l,"")
else \
__asm__ __volatile__( \
"strb %0, [%1, #0] @ outbc" \
: : "r" (value), "r" ((port))); \
: : "r" (value), "r" ((port))); \
})
#define __inbc(port) \
......@@ -110,35 +110,61 @@ DECLARE_IO(int,l,"")
else \
__asm__ __volatile__( \
"ldrb %0, [%1, #0] @ inbc" \
: "=r" (result) : "r" ((port))); \
: "=r" (result) : "r" ((port))); \
result; \
})
#define __outwc(value,port) \
({ \
unsigned long v = value; \
if (__PORT_PCIO((port))) \
__asm__ __volatile__( \
"strh %0, [%1, %2] @ outwc" \
: : "r" (v), "r" (PCIO_BASE), "Jr" ((port))); \
else \
if (__PORT_PCIO((port))) { \
if ((port) < 256 && (port) > -256) \
__asm__ __volatile__( \
"strh %0, [%1, %2] @ outwc" \
: : "r" (v), "r" (PCIO_BASE), "Jr" ((port))); \
else if ((port) > 0) \
__asm__ __volatile__( \
"strh %0, [%1, %2] @ outwc" \
: : "r" (v), \
"r" (PCIO_BASE + ((port) & ~0xff)), \
"Jr" (((port) & 0xff))); \
else \
__asm__ __volatile__( \
"strh %0, [%1, #0] @ outwc" \
: : "r" (v), \
"r" (PCIO_BASE + (port))); \
} else \
__asm__ __volatile__( \
"strh %0, [%1, #0] @ outwc" \
: : "r" (v), "r" ((port))); \
: : "r" (v), "r" ((port))); \
})
#define __inwc(port) \
({ \
unsigned short result; \
if (__PORT_PCIO((port))) \
__asm__ __volatile__( \
"ldrh %0, [%1, %2] @ inwc" \
: "=r" (result) : "r" (PCIO_BASE), "Jr" ((port))); \
else \
if (__PORT_PCIO((port))) { \
if ((port) < 256 && (port) > -256 ) \
__asm__ __volatile__( \
"ldrh %0, [%1, %2] @ inwc" \
: "=r" (result) \
: "r" (PCIO_BASE), \
"Jr" ((port))); \
else if ((port) > 0) \
__asm__ __volatile__( \
"ldrh %0, [%1, %2] @ inwc" \
: "=r" (result) \
: "r" (PCIO_BASE + ((port) & ~0xff)), \
"Jr" (((port) & 0xff))); \
else \
__asm__ __volatile__( \
"ldrh %0, [%1, #0] @ inwc" \
: "=r" (result) \
: "r" (PCIO_BASE + ((port)))); \
} else \
__asm__ __volatile__( \
"ldrh %0, [%1, #0] @ inwc" \
: "=r" (result) : "r" ((port))); \
result; \
: "=r" (result) : "r" ((port))); \
result; \
})
#define __outlc(value,port) \
......
include/asm-sparc64/pbm.h
浏览文件 @ 5a476def
......@@ -27,23 +27,27 @@
* PCI bus.
*/
#define PBM_LOGCLUSTERS 3
#define PBM_NCLUSTERS (1 << PBM_LOGCLUSTERS)
struct pci_controller_info;
/* This contains the software state necessary to drive a PCI
* controller's IOMMU.
*/
struct pci_iommu_arena {
unsigned long *map;
unsigned int hint;
unsigned int limit;
};
struct pci_iommu {
/* This protects the controller's IOMMU and all
* streaming buffers underneath.
*/
spinlock_t lock;
struct pci_iommu_arena arena;
/* IOMMU page table, a linear array of ioptes. */
iopte_t *page_table; /* The page table itself. */
int page_table_sz_bits; /* log2 of ow many pages does it map? */
/* Base PCI memory space address where IOMMU mappings
* begin.
......@@ -62,12 +66,6 @@ struct pci_iommu {
*/
unsigned long write_complete_reg;
/* The lowest used consistent mapping entry. Since
* we allocate consistent maps out of cluster 0 this
* is relative to the beginning of closter 0.
*/
u32 lowest_consistent_map;
/* In order to deal with some buggy third-party PCI bridges that
* do wrong prefetching, we never mark valid mappings as invalid.
* Instead we point them at this dummy page.
......@@ -75,16 +73,6 @@ struct pci_iommu {
unsigned long dummy_page;
unsigned long dummy_page_pa;
/* If PBM_NCLUSTERS is ever decreased to 4 or lower,
* or if largest supported page_table_sz * 8K goes above
* 2GB, you must increase the size of the type of
* these counters. You have been duly warned. -DaveM
*/
struct {
u16 next;
u16 flush;
} alloc_info[PBM_NCLUSTERS];
/* CTX allocation. */
unsigned long ctx_lowest_free;
unsigned long ctx_bitmap[IOMMU_NUM_CTXS / (sizeof(unsigned long) * 8)];
......@@ -102,7 +90,7 @@ struct pci_iommu {
u32 dma_addr_mask;
};
extern void pci_iommu_table_init(struct pci_iommu *, int);
extern void pci_iommu_table_init(struct pci_iommu *iommu, int tsbsize, u32 dma_offset, u32 dma_addr_mask);
/* This describes a PCI bus module's streaming buffer. */
struct pci_strbuf {
......
include/linux/acct.h
浏览文件 @ 5a476def
......@@ -162,13 +162,13 @@ typedef struct acct acct_t;
#ifdef __KERNEL__
/*
* Yet another set of HZ to *HZ helper functions.
* See <linux/times.h> for the original.
* See <linux/jiffies.h> for the original.
*/
static inline u32 jiffies_to_AHZ(unsigned long x)
{
#if (TICK_NSEC % (NSEC_PER_SEC / AHZ)) == 0
return x / (HZ / USER_HZ);
return x / (HZ / AHZ);
#else
u64 tmp = (u64)x * TICK_NSEC;
do_div(tmp, (NSEC_PER_SEC / AHZ));
......
include/linux/aio.h
浏览文件 @ 5a476def
......@@ -24,7 +24,12 @@ struct kioctx;
#define KIOCB_SYNC_KEY (~0U)
/* ki_flags bits */
#define KIF_LOCKED 0
/*
* This may be used for cancel/retry serialization in the future, but
* for now it's unused and we probably don't want modules to even
* think they can use it.
*/
/* #define KIF_LOCKED 0 */
#define KIF_KICKED 1
#define KIF_CANCELLED 2
......
include/linux/cpumask.h
浏览文件 @ 5a476def
......@@ -393,15 +393,13 @@ extern cpumask_t cpu_present_map;
#define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map)
/* Find the highest possible smp_processor_id() */
static inline unsigned int highest_possible_processor_id(void)
{
unsigned int cpu, highest = 0;
for_each_cpu_mask(cpu, cpu_possible_map)
highest = cpu;
return highest;
}
#define highest_possible_processor_id() \
({ \
unsigned int cpu, highest = 0; \
for_each_cpu_mask(cpu, cpu_possible_map) \
highest = cpu; \
highest; \
})
#endif /* __LINUX_CPUMASK_H */
include/linux/list.h
浏览文件 @ 5a476def
......@@ -442,12 +442,14 @@ static inline void list_splice_init(struct list_head *list,
* as long as the traversal is guarded by rcu_read_lock().
*/
#define list_for_each_rcu(pos, head) \
for (pos = (head)->next; prefetch(pos->next), pos != (head); \
pos = rcu_dereference(pos->next))
for (pos = (head)->next; \
prefetch(rcu_dereference(pos)->next), pos != (head); \
pos = pos->next)
#define __list_for_each_rcu(pos, head) \
for (pos = (head)->next; pos != (head); \
pos = rcu_dereference(pos->next))
for (pos = (head)->next; \
rcu_dereference(pos) != (head); \
pos = pos->next)
/**
* list_for_each_safe_rcu - iterate over an rcu-protected list safe
......@@ -461,8 +463,9 @@ static inline void list_splice_init(struct list_head *list,
* as long as the traversal is guarded by rcu_read_lock().
*/
#define list_for_each_safe_rcu(pos, n, head) \
for (pos = (head)->next, n = pos->next; pos != (head); \
pos = rcu_dereference(n), n = pos->next)
for (pos = (head)->next; \
n = rcu_dereference(pos)->next, pos != (head); \
pos = n)
/**
* list_for_each_entry_rcu - iterate over rcu list of given type
......@@ -474,11 +477,11 @@ static inline void list_splice_init(struct list_head *list,
* the _rcu list-mutation primitives such as list_add_rcu()
* as long as the traversal is guarded by rcu_read_lock().
*/
#define list_for_each_entry_rcu(pos, head, member) \
for (pos = list_entry((head)->next, typeof(*pos), member); \
prefetch(pos->member.next), &pos->member != (head); \
pos = rcu_dereference(list_entry(pos->member.next, \
typeof(*pos), member)))
#define list_for_each_entry_rcu(pos, head, member) \
for (pos = list_entry((head)->next, typeof(*pos), member); \
prefetch(rcu_dereference(pos)->member.next), \
&pos->member != (head); \
pos = list_entry(pos->member.next, typeof(*pos), member))
/**
......@@ -492,8 +495,9 @@ static inline void list_splice_init(struct list_head *list,
* as long as the traversal is guarded by rcu_read_lock().
*/
#define list_for_each_continue_rcu(pos, head) \
for ((pos) = (pos)->next; prefetch((pos)->next), (pos) != (head); \
(pos) = rcu_dereference((pos)->next))
for ((pos) = (pos)->next; \
prefetch(rcu_dereference((pos))->next), (pos) != (head); \
(pos) = (pos)->next)
/*
* Double linked lists with a single pointer list head.
......@@ -696,8 +700,9 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
pos = n)
#define hlist_for_each_rcu(pos, head) \
for ((pos) = (head)->first; pos && ({ prefetch((pos)->next); 1; }); \
(pos) = rcu_dereference((pos)->next))
for ((pos) = (head)->first; \
rcu_dereference((pos)) && ({ prefetch((pos)->next); 1; }); \
(pos) = (pos)->next)
/**
* hlist_for_each_entry - iterate over list of given type
......@@ -762,9 +767,9 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
*/
#define hlist_for_each_entry_rcu(tpos, pos, head, member) \
for (pos = (head)->first; \
pos && ({ prefetch(pos->next); 1;}) && \
rcu_dereference(pos) && ({ prefetch(pos->next); 1;}) && \
({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
pos = rcu_dereference(pos->next))
pos = pos->next)
#else
#warning "don't include kernel headers in userspace"
......
include/linux/rcupdate.h
浏览文件 @ 5a476def
......@@ -94,6 +94,7 @@ struct rcu_data {
long batch; /* Batch # for current RCU batch */
struct rcu_head *nxtlist;
struct rcu_head **nxttail;
long count; /* # of queued items */
struct rcu_head *curlist;
struct rcu_head **curtail;
struct rcu_head *donelist;
......
kernel/posix-cpu-timers.c
浏览文件 @ 5a476def
......@@ -424,6 +424,7 @@ static void cleanup_timers(struct list_head *head,
cputime_t ptime = cputime_add(utime, stime);
list_for_each_entry_safe(timer, next, head, entry) {
put_task_struct(timer->task);
timer->task = NULL;
list_del_init(&timer->entry);
if (cputime_lt(timer->expires.cpu, ptime)) {
......@@ -436,6 +437,7 @@ static void cleanup_timers(struct list_head *head,
++head;
list_for_each_entry_safe(timer, next, head, entry) {
put_task_struct(timer->task);
timer->task = NULL;
list_del_init(&timer->entry);
if (cputime_lt(timer->expires.cpu, utime)) {
......@@ -448,6 +450,7 @@ static void cleanup_timers(struct list_head *head,
++head;
list_for_each_entry_safe(timer, next, head, entry) {
put_task_struct(timer->task);
timer->task = NULL;
list_del_init(&timer->entry);
if (timer->expires.sched < sched_time) {
......
kernel/rcupdate.c
浏览文件 @ 5a476def
......@@ -71,7 +71,7 @@ DEFINE_PER_CPU(struct rcu_data, rcu_bh_data) = { 0L };
/* Fake initialization required by compiler */
static DEFINE_PER_CPU(struct tasklet_struct, rcu_tasklet) = {NULL};
static int maxbatch = 10;
static int maxbatch = 10000;
#ifndef __HAVE_ARCH_CMPXCHG
/*
......@@ -109,6 +109,10 @@ void fastcall call_rcu(struct rcu_head *head,
rdp = &__get_cpu_var(rcu_data);
*rdp->nxttail = head;
rdp->nxttail = &head->next;
if (unlikely(++rdp->count > 10000))
set_need_resched();
local_irq_restore(flags);
}
......@@ -140,6 +144,12 @@ void fastcall call_rcu_bh(struct rcu_head *head,
rdp = &__get_cpu_var(rcu_bh_data);
*rdp->nxttail = head;
rdp->nxttail = &head->next;
rdp->count++;
/*
* Should we directly call rcu_do_batch() here ?
* if (unlikely(rdp->count > 10000))
* rcu_do_batch(rdp);
*/
local_irq_restore(flags);
}
......@@ -157,6 +167,7 @@ static void rcu_do_batch(struct rcu_data *rdp)
next = rdp->donelist = list->next;
list->func(list);
list = next;
rdp->count--;
if (++count >= maxbatch)
break;
}
......
kernel/time.c
浏览文件 @ 5a476def
......@@ -570,6 +570,7 @@ void getnstimeofday(struct timespec *tv)
tv->tv_sec = x.tv_sec;
tv->tv_nsec = x.tv_usec * NSEC_PER_USEC;
}
EXPORT_SYMBOL_GPL(getnstimeofday);
#endif
#if (BITS_PER_LONG < 64)
......
mm/vmscan.c
浏览文件 @ 5a476def
......@@ -511,10 +511,11 @@ static int shrink_list(struct list_head *page_list, struct scan_control *sc)
* PageDirty _after_ making sure that the page is freeable and
* not in use by anybody. (pagecache + us == 2)
*/
if (page_count(page) != 2 || PageDirty(page)) {
write_unlock_irq(&mapping->tree_lock);
goto keep_locked;
}
if (unlikely(page_count(page) != 2))
goto cannot_free;
smp_rmb();
if (unlikely(PageDirty(page)))
goto cannot_free;
#ifdef CONFIG_SWAP
if (PageSwapCache(page)) {
......@@ -538,6 +539,10 @@ static int shrink_list(struct list_head *page_list, struct scan_control *sc)
__pagevec_release_nonlru(&freed_pvec);
continue;
cannot_free:
write_unlock_irq(&mapping->tree_lock);
goto keep_locked;
activate_locked:
SetPageActive(page);
pgactivate++;
......
net/ipv6/netfilter/ip6_tables.c
浏览文件 @ 5a476def
......@@ -975,7 +975,6 @@ replace_table(struct ip6t_table *table,
struct ip6t_entry *table_base;
unsigned int i;
for (i = 0; i < num_possible_cpus(); i++) {
for_each_cpu(i) {
table_base =
(void *)newinfo->entries
......
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