- 15 10月, 2008 4 次提交
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由 Thomas Bogendoerfer 提交于
This driver replaces the broken ip27-rtc driver in drivers/char and gives back RTC support for SGI IP27 machines. Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de> Acked-by: NAlessandro Zummo <alessandro.zummo@towertech.it> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Thomas Bogendoerfer 提交于
This driver replaces the broken DS1286 driver in drivers/char and gives back RTC support for SGI IP22 and IP28 machines. Signed-off-by: NThomas Bogendoerfer <tsbogend@alpha.franken.de> Acked-by: NAlessandro Zummo <alessandro.zummo@towertech.it> Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
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由 Bjorn Helgaas 提交于
We shouldn't rely on "pnp_platform_devices" to tell us whether there is a PNP RTC device. I introduced "pnp_platform_devices", but I think it was a mistake. All it tells us is whether we found any PNPBIOS or PNPACPI devices. Many machines have some PNP devices, but do not describe the RTC via PNP. On those machines, we need to do the platform driver probe to find the RTC. We should just register the PNP driver and see whether it claims anything. If we don't find a PNP RTC, fall back to the platform driver probe. This (in conjunction with the arch/x86/kernel/rtc.c patch to add a platform RTC device when PNP doesn't have one) should resolve these issues: http://bugzilla.kernel.org/show_bug.cgi?id=11580 https://bugzilla.redhat.com/show_bug.cgi?id=451188Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: NRafael J. Wysocki <rjw@sisk.pl> Acked-by: NDavid Brownell <dbrownell@users.sourceforge.net> Reported-by: NRik Theys <rik.theys@esat.kuleuven.be> Reported-by: shr_msn@yahoo.com.tw Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Bjorn Helgaas 提交于
Move rtc_wake_setup() from drivers/acpi/glue.c into the RTC driver in drivers/rtc/rtc-cmos.c. This removes the ordering constraint between the module_init(acpi_rtc_init) and the cmos_do_probe() code that depends on it. Signed-off-by: NBjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: NRafael J. Wysocki <rjw@sisk.pl> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 04 10月, 2008 1 次提交
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由 Marcin Slusarz 提交于
When userspace uses SIGIO notification and forgets to disable it before closing file descriptor, rtc->async_queue contains stale pointer to struct file. When user space enables again SIGIO notification in different process, kernel dereferences this (poisoned) pointer and crashes. So disable SIGIO notification on close. Kernel panic: (second run of qemu (requires echo 1024 > /sys/class/rtc/rtc0/max_user_freq)) general protection fault: 0000 [1] PREEMPT CPU 0 Modules linked in: af_packet snd_pcm_oss snd_mixer_oss snd_seq_oss snd_seq_midi_event snd_seq usbhid tuner tea5767 tda8290 tuner_xc2028 xc5000 tda9887 tuner_simple tuner_types mt20xx tea5761 tda9875 uhci_hcd ehci_hcd usbcore bttv snd_via82xx snd_ac97_codec ac97_bus snd_pcm snd_timer ir_common compat_ioctl32 snd_page_alloc videodev v4l1_compat snd_mpu401_uart snd_rawmidi v4l2_common videobuf_dma_sg videobuf_core snd_seq_device snd btcx_risc soundcore tveeprom i2c_viapro Pid: 5781, comm: qemu-system-x86 Not tainted 2.6.27-rc6 #363 RIP: 0010:[<ffffffff8024f891>] [<ffffffff8024f891>] __lock_acquire+0x3db/0x73f RSP: 0000:ffffffff80674cb8 EFLAGS: 00010002 RAX: ffff8800224c62f0 RBX: 0000000000000046 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800224c62f0 RBP: ffffffff80674d08 R08: 0000000000000002 R09: 0000000000000001 R10: ffffffff80238941 R11: 0000000000000001 R12: 0000000000000000 R13: 6b6b6b6b6b6b6b6b R14: ffff88003a450080 R15: 0000000000000000 FS: 00007f98b69516f0(0000) GS:ffffffff80623200(0000) knlGS:00000000f7cc86d0 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000a87000 CR3: 0000000022598000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process qemu-system-x86 (pid: 5781, threadinfo ffff880028812000, task ffff88003a450080) Stack: ffffffff80674cf8 0000000180238440 0000000200000002 0000000000000000 ffff8800224c62f0 0000000000000046 0000000000000000 0000000000000002 0000000000000002 0000000000000000 ffffffff80674d68 ffffffff8024fc7a Call Trace: <IRQ> [<ffffffff8024fc7a>] lock_acquire+0x85/0xa9 [<ffffffff8029cb62>] ? send_sigio+0x2a/0x184 [<ffffffff80491d1f>] _read_lock+0x3e/0x4a [<ffffffff8029cb62>] ? send_sigio+0x2a/0x184 [<ffffffff8029cb62>] send_sigio+0x2a/0x184 [<ffffffff8024fb97>] ? __lock_acquire+0x6e1/0x73f [<ffffffff8029cd4d>] ? kill_fasync+0x2c/0x4e [<ffffffff8029cd10>] __kill_fasync+0x54/0x65 [<ffffffff8029cd5b>] kill_fasync+0x3a/0x4e [<ffffffff80402896>] rtc_update_irq+0x9c/0xa5 [<ffffffff80404640>] cmos_interrupt+0xae/0xc0 [<ffffffff8025d1c1>] handle_IRQ_event+0x25/0x5a [<ffffffff8025e5e4>] handle_edge_irq+0xdd/0x123 [<ffffffff8020da34>] do_IRQ+0xe4/0x144 [<ffffffff8020bad6>] ret_from_intr+0x0/0xf <EOI> [<ffffffff8026fdc2>] ? __alloc_pages_internal+0xe7/0x3ad [<ffffffff8033fe67>] ? clear_page_c+0x7/0x10 [<ffffffff8026fc10>] ? get_page_from_freelist+0x385/0x450 [<ffffffff8026fdc2>] ? __alloc_pages_internal+0xe7/0x3ad [<ffffffff80280aac>] ? anon_vma_prepare+0x2e/0xf6 [<ffffffff80279400>] ? handle_mm_fault+0x227/0x6a5 [<ffffffff80494716>] ? do_page_fault+0x494/0x83f [<ffffffff8049251d>] ? error_exit+0x0/0xa9 Code: cc 41 39 45 28 74 24 e8 5e 1d 0f 00 85 c0 0f 84 6a 03 00 00 83 3d 8f a9 aa 00 00 be 47 03 00 00 0f 84 6a 02 00 00 e9 53 03 00 00 <41> ff 85 38 01 00 00 45 8b be 90 06 00 00 41 83 ff 2f 76 24 e8 RIP [<ffffffff8024f891>] __lock_acquire+0x3db/0x73f RSP <ffffffff80674cb8> ---[ end trace 431877d860448760 ]--- Kernel panic - not syncing: Aiee, killing interrupt handler! Signed-off-by: NMarcin Slusarz <marcin.slusarz@gmail.com> Acked-by: NAlessandro Zummo <alessandro.zummo@towertech.it> Acked-by: NDavid Brownell <dbrownell@users.sourceforge.net> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 23 9月, 2008 1 次提交
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由 Andrew Morton 提交于
Fix for linux-next's : Author: David S. Miller <davem@davemloft.net> 2008-08-28 19:54:17 : Committer: David S. Miller <davem@davemloft.net> 2008-08-29 14:16:45 : Parent: 7f604599 (Blackfin RTC Driver: BF561 not have on-chip RTC) : Child: cca4c231 (rtc: Add TI BQ4802 RTC driver.) : Branches: git-alsa-tiwai, linux-next : Follows: v2.6.27-rc4 : Precedes: next-20080902 : : rtc: Allow RTC_DRV_CMOS to be used on SPARC. In file included from drivers/rtc/rtc-cmos.c:40: include/asm-generic/rtc.h: In function 'rtc_is_updating': include/asm-generic/rtc.h:40: error: 'rtc_port' undeclared (first use in this function) include/asm-generic/rtc.h:40: error: (Each undeclared identifier is reported only once include/asm-generic/rtc.h:40: error: for each function it appears in.) include/asm-generic/rtc.h: In function 'get_rtc_time': include/asm-generic/rtc.h:73: error: 'rtc_port' undeclared (first use in this function) include/asm-generic/rtc.h: In function 'set_rtc_time': include/asm-generic/rtc.h:160: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_read_alarm': drivers/rtc/rtc-cmos.c:193: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_checkintr': drivers/rtc/rtc-cmos.c:255: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_irq_enable': drivers/rtc/rtc-cmos.c:272: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_irq_disable': drivers/rtc/rtc-cmos.c:292: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_set_alarm': drivers/rtc/rtc-cmos.c:337: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_irq_set_freq': drivers/rtc/rtc-cmos.c:378: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_procfs': drivers/rtc/rtc-cmos.c:455: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_nvram_read': drivers/rtc/rtc-cmos.c:519: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_nvram_write': drivers/rtc/rtc-cmos.c:551: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_interrupt': drivers/rtc/rtc-cmos.c:588: error: 'rtc_port' undeclared (first use in this function) drivers/rtc/rtc-cmos.c: In function 'cmos_do_probe': drivers/rtc/rtc-cmos.c:722: error: 'rtc_port' undeclared (first use in this function) Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 10 9月, 2008 2 次提交
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由 David S. Miller 提交于
As reported by Harvey Harrison. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Robert Reif 提交于
Signed-off-by: NRobert Reif <reif@earthlink.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 08 9月, 2008 1 次提交
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由 Krzysztof Helt 提交于
Fix setting of a year in m48t08 and m48t02 clocks. They do not have century bits and setting them causes the year to overflow (bit 0x80 set). Problem found by Robert Reif on Sun Sparcstation 20. Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 04 9月, 2008 3 次提交
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由 Krzysztof Helt 提交于
Add support for externally mapped ioaddr. This is required on sparc32 as the ioaddr must be mapped with of_ioremap(). Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Krzysztof Helt 提交于
Add support for two compatible RTC: - M48T08 which does not have alarm part, - M48T08 which does not have alarm part and has only 2KB of NVRAM These types covers all Mostek's RTC used in Sun UltraSparc workstations. Tested on Sun Ultra60 with M48T59 RTC. Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Krzysztof Helt 提交于
Remove element size from the structure m48t59_private as it is used as local variable for storing temporary value. Signed-off-by: NKrzysztof Helt <krzysztof.h1@wp.pl> Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 03 9月, 2008 2 次提交
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由 Rafael J. Wysocki 提交于
Update rtc-cmos shutdown handling to leave RTC alarms active, resolving http://bugzilla.kernel.org/show_bug.cgi?id=11411 on several boards. There are still some systems where the ACPI event handling doesn't cooperate. (Possibly related to bugid 11312, reporting the spontaneous disabling of RTC events.) Bug 11411 reported that changes to work around some ACPI event issues broke wake-from-S5 handling, as used for DVR applications. (They like to power off, then wake later to record programs.) [yakui.zhao@intel.com: add shutdown for PNP devices] [dbrownell@users.sourceforge.net: update comments] Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Signed-off-by: NZhao Yakui <yakui.zhao@intel.com> Signed-off-by: NZhang Rui <rui.zhang@intel.com> Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net> Cc: Stefan Bauer <stefan.bauer@cs.tu-chemnitz.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Jan Altenberg 提交于
commit 945185a6 ("rtc: rtc_time_to_tm: use unsigned arithmetic") changed the some types in rtc_time_to_tm() to unsigned: void rtc_time_to_tm(unsigned long time, struct rtc_time *tm) { - register int days, month, year; + unsigned int days, month, year; This doesn't work for all cases, because days is checked for < 0 later on: if (days < 0) { year -= 1; days += 365 + LEAP_YEAR(year); } I think the correct fix would be to keep days signed and do an appropriate cast later on. Signed-off-by: NJan Altenberg <jan.altenberg@linutronix.de> Cc: Maciej W. Rozycki <macro@linux-mips.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Cc: Dmitri Vorobiev <dmitri.vorobiev@gmail.com> Cc: <stable@kernel.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 30 8月, 2008 4 次提交
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Add Sparc to the Kconfig depends list. Add __sparc___ to address_sparc = 128 ifdef. Finally, don't be concerned about 24-hour BCD mode support if the RTC doesn't have a valid IRQ. We won't even use the alarm code in this case and the Sparc RTCs have this limitation. Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 24 8月, 2008 1 次提交
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由 Adrian Bunk 提交于
This patch lets the files using linux/version.h match the files that #include it. Signed-off-by: NAdrian Bunk <bunk@kernel.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 21 8月, 2008 6 次提交
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由 Anton Vorontsov 提交于
On a PowerPC board with ds1374 RTC I'm getting this error while RTC tries to probe: rtc-ds1374 0-0068: unable to request IRQ This happens because I2C probing code (drivers/of/of_i2c.c) is specifying IRQ0 for 'no irq' case, which is correct. The driver handles this incorrectly, though. This patch fixes it. Signed-off-by: NAnton Vorontsov <avorontsov@ru.mvista.com> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Acked-by: NPeter Korsgaard <jacmet@sunsite.dk> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Atsushi Nemoto 提交于
With commit 5ad31a57 ("rtc: remove BKL for ioctl()"), RTC_UIE_ON ioctl cause double lock on rtc->ops_lock. The ops_lock must not be held while set_uie() calls rtc_read_time() which takes the lock. Also clear_uie() does not need ops_lock. This patch fixes return value of RTC_UIE_OFF ioctl too. Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp> Cc: David Brownell <david-b@pacbell.net> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Graf Yang 提交于
Signed-off-by: NGraf Yang <graf.yang@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Blackfin RTC Driver: move irq request/free out of open/release and into probe/remove so that the non-dev interfaces (like sysfs) work as expected Signed-off-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 13 8月, 2008 2 次提交
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由 Alessandro Zummo 提交于
Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it> Cc: Herbert Valerio Riedel <hvr@gnu.org> Cc: Hartley Sweeten <hartleys@visionengravers.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Brownell 提交于
Revert commit 51a776fa ("rtc: cdev lock_kernel() pushdown"). The RTC framework does not need BKL protection. Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Alessandro Zummo <alessandro.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 07 8月, 2008 2 次提交
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由 Russell King 提交于
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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由 Russell King 提交于
Remove includes of asm/hardware.h in addition to asm/arch/hardware.h. Then, since asm/hardware.h only exists to include asm/arch/hardware.h, update everything to directly include asm/arch/hardware.h and remove asm/hardware.h. Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 06 8月, 2008 8 次提交
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由 Mike Frysinger 提交于
blackfin RTC driver: drop PIE/stopwatch code since the hardware can only do a max of 1HZ and this same functionality is provided by UIE Signed-off-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Since we use the write complete interrupt, wait for it to complete before sleeping so we don't wake right back up due to it Signed-off-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
blackfin RTC driver: don't bother passing the rtc struct down to bfin_rtc_int_{set,clear} since it isnt needed (shaves off ~100bytes) Signed-off-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
Signed-off-by: NMike Frysinger <vapier.adi@gmail.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Sonic Zhang 提交于
Signed-off-by: NSonic Zhang <sonic.zhang@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
blackfin RTC driver: if we dont define irq_set_freq, the common rtc-dev layer will give us the same behavior of returning ENOTTY Signed-off-by: NMike Frysinger <michael.frysinger@analog.com> Signed-off-by: NBryan Wu <bryan.wu@analog.com> Signed-off-by: NBryan Wu <cooloney@kernel.org> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 31 7月, 2008 2 次提交
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由 Tomas Janousek 提交于
Solves http://bugzilla.kernel.org/show_bug.cgi?id=11127 The old rtc.c driver did it and some drivers (like rtc-sh) do it in their release function, though they should not -- because they should provide the irq_set_state op and the rtc framework itself should care about it. This patch makes it do so. I am aware that some drivers, like rtc-sh, handle userspace PIE sets in their ioctl op (instead of having the framework call the op), exporting the irq_set_state op at the same time. The logic in rtc_irq_set_state should make sure it doesn't matter and the driver should not need to care stopping periodic interrupts in its release routine any more. The correct way, in my opinion, should be this: 1) The driver provides the irq_set_state op and does not care closing the interrupts in its release op. 2) If the driver does not provide the op and handles PIE in the ioctl op, it's reponsible for closing them in its release op. 3) Something similar for other IRQs, like UIE -- if there's no in-kernel API like irq_set_state, handle it in ioctl and release ops. The framework will be responsible either for everything or for nothing. (This will probably change later.) Signed-off-by: NTomas Janousek <tomi@nomi.cz> Acked-by: NDavid Brownell <dbrownell@users.sourceforge.net> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Brownell 提交于
It was pointed out that the RTC framework handles its mutex locks oddly ... returning -EBUSY when interrupted. This fixes that by returning the value of mutex_lock_interruptible() (i.e. -EINTR). Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net> Acked-by: NAlessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 25 7月, 2008 1 次提交
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由 Yoichi Yuasa 提交于
Implement the ioctls RTC_PIE_ON, RTC_PIE_OFF, RTC_IRQP_SET and RTC_IRQP_READ in the standard RTC way. Thanks Dave for noticing it. Signed-off-by: NYoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Cc: David Brownell <david-b@pacbell.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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