linux/drivers/rtc
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
rtc-at91rm9200.c
rtc-bfin.c
rtc-cmos.c rtc: ignore msb when reading back mday from alarm 2007-11-04 13:13:09 -08:00
rtc-core.h
rtc-dev.c RTC: convert mutex to bitfield 2007-11-29 09:24:54 -08:00
rtc-ds1216.c
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
rtc-ds1742.c RTCs: handle NVRAM better 2007-11-14 18:45:36 -08:00
rtc-ep93xx.c
rtc-isl1208.c
rtc-lib.c
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-max6902.c rtc-max6902 minor fixes 2007-08-22 19:52:47 -07:00
rtc-omap.c
rtc-pcf8563.c
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-rs5c313.c
rtc-rs5c348.c [PATCH] rtc: Make rtc-rs5c348 driver hotplug-aware 2007-08-27 02:16:58 +01:00
rtc-rs5c372.c
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-v3020.c RTC v3020 fixes 2007-09-11 17:21:20 -07:00
rtc-vr41xx.c
rtc-x1205.c