The more recent devices have a watchdog timer which could be configured
for over 2 hours and not just 2 seconds like the first generation
devices. For those devices do not use the extra software timer, but
directly program the time into the register. This will automatically be
used if the timer supports more than a minute.
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

Rename wdt_time to timeout to name it like the other watchdog
driver do it.
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

Rename the methods registered to struct watchdog_ops bcm47xx_wdt_ops in
order to add an other struct watchdog_ops using different ops in the
next patch.
Also rename WDT_MAX_TIME to WDT_SOFTTIMER_MAX.
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

Instead of accessing the function to set the watchdog timer directly,
register a platform driver the platform could register to use this
watchdog driver.
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

Convert the bcm47xx_wdt.c driver to the new watchdog core api.

The nowayout parameter is now added unconditionally to the module.
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

nowayout is actually a boolean value.
So make it bool for all watchdog device drivers.
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

Use the current logging styles.

Make sure all output has a prefix.
Add missing newlines.
Remove now unnecessary PFX, NAME, and miscellaneous other #defines.
Coalesce formats.
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

This patch add support for the bcma bus. Broadcom uses only Mips 74K
CPUs on the new SoC and on the old ons using ssb bus there are no Mips
74K CPUs.
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Acked-by: NRalf Baechle <ralf@linux-mips.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Acked-by: NRalf Baechle <ralf@linux-mips.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

Prepare bcm47xx to support different System buses. Before adding
support for bcma it should be possible to build bcm47xx without the
need of ssb. With this patch bcm47xx does not directly contain a
ssb_bus, but a union contain all the supported system buses. As a SoC
just uses one system bus a union is a good choice.
Signed-off-by: NHauke Mehrtens <hauke@hauke-m.de>
Acked-by: NRalf Baechle <ralf@linux-mips.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

cleanup spaces before tabs in drivers/watchdog/
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

make the watchdog_info struct const where possible.
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>

This add watchdog driver for broadcom 47xx device.
It uses the ssb subsytem to access embeded watchdog device.

Because the watchdog timeout is very short (about 2s), a soft timer is used
to increase the watchdog period.

Note : A patch for exporting the ssb_watchdog_timer_set will
be submitted on next linux-mips merge. Without this patch it can't 
be build as a module.
Signed-off-by: NAleksandar Radovanovic <biblbroks@sezampro.rs>
Signed-off-by: NMatthieu CASTET <castet.matthieu@free.fr>
Tested-by: NFlorian Fainelli <florian@openwrt.org>
Cc: Ralf Baechle <ralf@linux-mips.org>                                                                                       
Signed-off-by: NWim Van Sebroeck <wim@iguana.be>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>