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Author SHA1 Message Date
Mark Brown 076bad7c4d watchdog: Handle multiple wm831x watchdogs being registered 
Due to the whole single instance based watchdog API we use static data
for the wm831x watchdog which means that if the system tries to register
a second one we end up trying to register the same miscdevice again,
corrupting the miscdevice list. Work around this by checking for duplicate
registrations until we get a watchdog core.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
 2011-06-28 07:42:16 +00:00
Wim Van Sebroeck 42747d712d [WATCHDOG] watchdog_info constify 
make the watchdog_info struct const where possible.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
 2010-03-07 10:30:57 +00:00
Mark Brown 502a0106b2 [WATCHDOG] Add support for WM831x watchdog 
The WM831x series of devices provide a watchdog with configurable
behaviour on timer expiry.

Currently this driver support refreshes via a register or GPIO line and
autonomous refreshes from a hardware source (eg, a clock).

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
 2009-09-18 08:35:49 +00:00