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f501ed524b
This change resolves a problem about unbalanced calls of enable_irq_wakeup() and disable_irq_wakeup() for alarm interrupt. Bug reproduction: root@eb600:~# echo 0 > /sys/class/rtc/rtc0/wakealarm WARNING: at kernel/irq/manage.c:361 set_irq_wake+0x7c/0xe4() Unbalanced IRQ 46 wake disable Modules linked in: [<c0025708>] (unwind_backtrace+0x0/0xd8) from [<c003358c>] (warn_slowpath_common+0x44/0x5c) [<c003358c>] (warn_slowpath_common+0x44/0x5c) from [<c00335dc>] (warn_slowpath_fmt+0x24/0x30) [<c00335dc>] (warn_slowpath_fmt+0x24/0x30) from [<c0058c20>] (set_irq_wake+0x7c/0xe4) [<c0058c20>] (set_irq_wake+0x7c/0xe4) from [<c01b5e80>] (s3c_rtc_setalarm+0xa8/0xb8) [<c01b5e80>] (s3c_rtc_setalarm+0xa8/0xb8) from [<c01b47a0>] (rtc_set_alarm+0x60/0x74) [<c01b47a0>] (rtc_set_alarm+0x60/0x74) from [<c01b5a98>] (rtc_sysfs_set_wakealarm+0xc8/0xd8) [<c01b5a98>] (rtc_sysfs_set_wakealarm+0xc8/0xd8) from [<c01891ec>] (dev_attr_store+0x20/0x24) [<c01891ec>] (dev_attr_store+0x20/0x24) from [<c00be934>] (sysfs_write_file+0x104/0x13c) [<c00be934>] (sysfs_write_file+0x104/0x13c) from [<c0080e7c>] (vfs_write+0xb0/0x158) [<c0080e7c>] (vfs_write+0xb0/0x158) from [<c0080fcc>] (sys_write+0x3c/0x68) [<c0080fcc>] (sys_write+0x3c/0x68) from [<c0020ec0>] (ret_fast_syscall+0x0/0x28) Signed-off-by: Vladimir Zapolskiy <vzapolskiy@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Ben Dooks <ben@fluff.org.uk> Cc: Atul Dahiya <atul.dahiya@samsung.com> Cc: Taekgyun Ko <taeggyun.ko@samsung.com> Cc: Kukjin Kim <kgene.kim@samsung.com> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| class.c | ||
| hctosys.c | ||
| interface.c | ||
| Kconfig | ||
| Makefile | ||
| rtc-ab3100.c | ||
| rtc-ab8500.c | ||
| rtc-at32ap700x.c | ||
| rtc-at91rm9200.c | ||
| rtc-at91sam9.c | ||
| rtc-au1xxx.c | ||
| rtc-bfin.c | ||
| rtc-bq32k.c | ||
| rtc-bq4802.c | ||
| rtc-cmos.c | ||
| rtc-coh901331.c | ||
| rtc-core.h | ||
| rtc-davinci.c | ||
| rtc-dev.c | ||
| rtc-dm355evm.c | ||
| rtc-ds1216.c | ||
| rtc-ds1286.c | ||
| rtc-ds1302.c | ||
| rtc-ds1305.c | ||
| rtc-ds1307.c | ||
| rtc-ds1374.c | ||
| rtc-ds1390.c | ||
| rtc-ds1511.c | ||
| rtc-ds1553.c | ||
| rtc-ds1672.c | ||
| rtc-ds1742.c | ||
| rtc-ds3232.c | ||
| rtc-ds3234.c | ||
| rtc-efi.c | ||
| rtc-ep93xx.c | ||
| rtc-fm3130.c | ||
| rtc-generic.c | ||
| rtc-imxdi.c | ||
| rtc-isl1208.c | ||
| rtc-isl12022.c | ||
| rtc-jz4740.c | ||
| rtc-lib.c | ||
| rtc-m41t80.c | ||
| rtc-m41t94.c | ||
| rtc-m48t35.c | ||
| rtc-m48t59.c | ||
| rtc-m48t86.c | ||
| rtc-max6900.c | ||
| rtc-max6902.c | ||
| rtc-max8925.c | ||
| rtc-mc13783.c | ||
| rtc-mpc5121.c | ||
| rtc-msm6242.c | ||
| rtc-mv.c | ||
| rtc-mxc.c | ||
| rtc-nuc900.c | ||
| rtc-omap.c | ||
| rtc-pcap.c | ||
| rtc-pcf2123.c | ||
| rtc-pcf8563.c | ||
| rtc-pcf8583.c | ||
| rtc-pcf50633.c | ||
| rtc-pl030.c | ||
| rtc-pl031.c | ||
| rtc-proc.c | ||
| rtc-ps3.c | ||
| rtc-pxa.c | ||
| rtc-r9701.c | ||
| rtc-rp5c01.c | ||
| rtc-rs5c313.c | ||
| rtc-rs5c348.c | ||
| rtc-rs5c372.c | ||
| rtc-rx8025.c | ||
| rtc-rx8581.c | ||
| rtc-s3c.c | ||
| rtc-s35390a.c | ||
| rtc-sa1100.c | ||
| rtc-sh.c | ||
| rtc-starfire.c | ||
| rtc-stk17ta8.c | ||
| rtc-stmp3xxx.c | ||
| rtc-sun4v.c | ||
| rtc-sysfs.c | ||
| rtc-test.c | ||
| rtc-twl.c | ||
| rtc-tx4939.c | ||
| rtc-v3020.c | ||
| rtc-vr41xx.c | ||
| rtc-wm831x.c | ||
| rtc-wm8350.c | ||
| rtc-x1205.c | ||