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| author | Ezequiel Garcia <ezequiel.garcia@free-electrons.com> | 2014-02-11 00:00:30 +0100 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2014-02-22 04:44:11 +0100 |
| commit | 490d8e3cbf60cc4ad874caa8c07e67e14c25a1af (patch) | |
| tree | 2fbd03ad95afa4bedc1e9d88f7f8acbd88b46927 /drivers/watchdog | |
| parent | watchdog: orion: Add per-compatible clock initialization (diff) | |
| download | linux-490d8e3cbf60cc4ad874caa8c07e67e14c25a1af.tar.xz linux-490d8e3cbf60cc4ad874caa8c07e67e14c25a1af.zip | |
watchdog: orion: Add per-compatible watchdog start implementation
To handle differences between SoCs this commit adds per-compatible
string start() function for the watchdog kick-off. This is preparation
work and makes no functionality changes to the current driver.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Tested-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Wim Van Sebroeck <wim@iguana.be>
Tested-By: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/orion_wdt.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c index b48fd0871f17..392529785b40 100644 --- a/drivers/watchdog/orion_wdt.c +++ b/drivers/watchdog/orion_wdt.c @@ -50,6 +50,7 @@ struct orion_watchdog_data { int rstout_enable_bit; int (*clock_init)(struct platform_device *, struct orion_watchdog *); + int (*start)(struct watchdog_device *); }; struct orion_watchdog { @@ -86,7 +87,7 @@ static int orion_wdt_ping(struct watchdog_device *wdt_dev) return 0; } -static int orion_wdt_start(struct watchdog_device *wdt_dev) +static int orion_start(struct watchdog_device *wdt_dev) { struct orion_watchdog *dev = watchdog_get_drvdata(wdt_dev); @@ -105,6 +106,14 @@ static int orion_wdt_start(struct watchdog_device *wdt_dev) return 0; } +static int orion_wdt_start(struct watchdog_device *wdt_dev) +{ + struct orion_watchdog *dev = watchdog_get_drvdata(wdt_dev); + + /* There are some per-SoC quirks to handle */ + return dev->data->start(wdt_dev); +} + static int orion_wdt_stop(struct watchdog_device *wdt_dev) { struct orion_watchdog *dev = watchdog_get_drvdata(wdt_dev); @@ -193,6 +202,7 @@ static const struct orion_watchdog_data orion_data = { .wdt_enable_bit = BIT(4), .wdt_counter_offset = 0x24, .clock_init = orion_wdt_clock_init, + .start = orion_start, }; static const struct of_device_id orion_wdt_of_match_table[] = { |