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8853c202b4
linux/drivers/rtc
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Jiri Kosina 8853c202b4 RTC: convert mutex to bitfield 
RTC code is using mutex to assure exclusive access to /dev/rtc.  This is
however wrong usage, as it leaves the mutex locked when returning into
userspace, which is unacceptable.

Convert rtc->char_lock into bit operation.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-11-29 09:24:54 -08:00
..
class.c RTC: periodic irq fix 2007-10-16 09:43:13 -07:00
hctosys.c rtc_hctosys expects RTCs in UTC (doc) 2007-11-14 18:45:36 -08:00
interface.c RTC: convert mutex to bitfield 2007-11-29 09:24:54 -08:00
Kconfig Blackfin arch: punt CONFIG_BFIN -- we already have CONFIG_BLACKFIN 2007-11-23 14:28:44 +08:00
Makefile rtc: RTC class driver for the ds1374 2007-10-16 09:43:13 -07:00
rtc-at32ap700x.c Driver for the Atmel on-chip RTC on AT32AP700x devices 2007-07-17 10:23:09 -07:00
rtc-at91rm9200.c rtc: suspend()/resume() restores system clock 2007-05-08 11:15:18 -07:00
rtc-bfin.c Blackfin On-Chip RTC driver update for supporting BF54x 2007-07-15 02:33:26 +08:00
rtc-cmos.c rtc: ignore msb when reading back mday from alarm 2007-11-04 13:13:09 -08:00
rtc-core.h rtc: update to class device removal patches 2007-05-08 11:15:18 -07:00
rtc-dev.c RTC: convert mutex to bitfield 2007-11-29 09:24:54 -08:00
rtc-ds1216.c RTC driver for DS1216 chips 2007-07-17 10:23:09 -07:00
rtc-ds1307.c rtc-ds1307 exports NVRAM 2007-11-14 18:45:36 -08:00
rtc-ds1374.c rtc: RTC class driver for the ds1374 2007-10-16 09:43:13 -07:00
rtc-ds1553.c RTCs: handle NVRAM better 2007-11-14 18:45:36 -08:00
rtc-ds1672.c i2c: Stop using i2c_adapter.class_dev 2007-02-13 22:09:04 +01:00
rtc-ds1742.c RTCs: handle NVRAM better 2007-11-14 18:45:36 -08:00
rtc-ep93xx.c
rtc-isl1208.c
rtc-lib.c revert "rtc: Add rtc_merge_alarm()" 2007-05-08 11:15:18 -07:00
rtc-m41t80.c correct name for rtc-m41t80 2007-08-22 19:52:45 -07:00
rtc-m48t59.c RTCs: handle NVRAM better 2007-11-14 18:45:36 -08:00
rtc-m48t86.c
rtc-max6900.c rtc: update and use the MAX6900 century byte 2007-07-21 17:49:17 -07:00
rtc-max6902.c rtc-max6902 minor fixes 2007-08-22 19:52:47 -07:00
rtc-omap.c rtc-omap build fix 2007-05-17 05:23:05 -07:00
rtc-pcf8563.c i2c: Stop using i2c_adapter.class_dev 2007-02-13 22:09:04 +01:00
rtc-pcf8583.c rtc-pcf8583: Check for i2c adapter functionality 2007-10-16 09:43:13 -07:00
rtc-pl031.c remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
rtc-proc.c rtc: remove rest of class_device 2007-05-08 11:15:18 -07:00
rtc-rs5c313.c rtc-rs5c313.c: add error handling to avoid hardware hangup 2007-05-11 08:29:35 -07:00
rtc-rs5c348.c [PATCH] rtc: Make rtc-rs5c348 driver hotplug-aware 2007-08-27 02:16:58 +01:00
rtc-rs5c372.c rtc-rs5c372 becomes a new-style i2c driver 2007-07-17 10:23:08 -07:00
rtc-s3c.c s3c-rtc: remove unused variable 2007-10-30 08:06:55 -07:00
rtc-sa1100.c remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
rtc-sh.c rtc: rtc-sh: Zero out tm value for invalid rtc states. 2007-11-07 20:13:24 +09:00
rtc-stk17ta8.c RTCs: handle NVRAM better 2007-11-14 18:45:36 -08:00
rtc-sysfs.c Add missing newlines to some uses of dev_<level> messages 2007-10-18 14:37:28 -07:00
rtc-test.c rtc: rtc interfaces don't use class_device 2007-05-08 11:15:18 -07:00
rtc-v3020.c RTC v3020 fixes 2007-09-11 17:21:20 -07:00
rtc-vr41xx.c [MIPS] separate platform_device registration for VR41xx RTC 2007-07-12 17:41:15 +01:00
rtc-x1205.c i2c: Delete outdated x1205 driver documentation 2007-07-12 14:12:28 +02:00