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01c785dcb4
linux/drivers/watchdog
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Alan Cox 01c785dcb4 [WATCHDOG] wdt: fix locking 
The audit of _p usage shows various drivers assume inb_p is somehow atomic.
 Of course it isn't and the delay can be split from the I/O cycle causing a
timing violation on chips that matter (eg this one)

With the proposed use of udelay() for some _p delays this will cease to be
a mostly theoretical bug (as the delay stall is unsplittable) and wants
fixing.

Lots of other drivers need fixing this way too.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2008-01-25 20:23:28 +00:00
..
acquirewdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
advantechwdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
alim1535_wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
alim7101_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
ar7_wdt.c [WATCHDOG] AR7: watchdog timer 2007-10-23 20:35:13 +00:00
at32ap700x_wdt.c [WATCHDOG] at32ap700x_wdt: add support for boot status and add fix for silicon errata 2007-11-19 21:08:57 +00:00
at91rm9200_wdt.c remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
bfin_wdt.c [WATCHDOG] bfin_wdt, remove SPIN_LOCK_UNLOCKED 2007-11-19 21:09:42 +00:00
booke_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
cpu5wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
davinci_wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
ep93xx_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
eurotechwdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
i6300esb.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
ib700wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
ibmasr.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
indydog.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
iop_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
it8712f_wdt.c [WATCHDOG] IT8212F watchdog driver 2007-11-19 21:25:41 +00:00
iTCO_vendor_support.c Convert files to UTF-8 and some cleanups 2007-10-19 23:21:04 +02:00
iTCO_wdt.c [WATCHDOG] iTCO_wdt.c ICH8 pci-device-id's 2007-11-02 22:25:43 +00:00
ixp4xx_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
ixp2000_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
Kconfig [AVR32] Add support for AT32AP7001 and AT32AP7002 2008-01-25 08:31:41 +01:00
ks8695_wdt.c remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
machzwd.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
Makefile [WATCHDOG] add Nano 7240 driver 2007-12-04 16:48:06 +00:00
mixcomwd.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
mpc8xx_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
mpc83xx_wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
mpc5200_wdt.c [POWERPC] Update device tree binding for mpc5200 gpt 2007-10-21 12:42:55 -06:00
mpcore_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
mtx-1_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
mv64x60_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
omap_wdt.c remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
omap_wdt.h mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
pc87413_wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
pcwd_pci.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
pcwd_usb.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
pcwd.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
pnx4008_wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
rm9k_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
s3c2410_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
sa1100_wdt.c remove asm/bitops.h includes 2007-10-19 11:53:41 -07:00
sbc60xxwdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
sbc7240_wdt.c [WATCHDOG] add Nano 7240 driver 2007-12-04 16:48:06 +00:00
sbc8360.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
sbc_epx_c3.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
sc520_wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
sc1200wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
scx200_wdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
shwdt.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
smsc37b787_wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
softdog.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
w83627hf_wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
w83697hf_wdt.c [WATCHDOG] Revert "Stop looking for device as soon as one is found" 2008-01-18 21:01:34 +00:00
w83877f_wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
w83977f_wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
wafer5823wdt.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
wd501p.h mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
wdrtas.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
wdt285.c mv watchdog tree under drivers 2007-10-18 10:39:03 +00:00
wdt977.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
wdt_pci.c [WATCHDOG] spin_lock_init() fixes 2007-11-02 19:09:07 +00:00
wdt.c [WATCHDOG] wdt: fix locking 2008-01-25 20:23:28 +00:00