[PATCH v3 10/15] watchdog: orion: Add per-compatible watchdog start implementation
From: Ezequiel Garcia <hidden>
Date: 2014-01-21 13:26:09
Also in:
linux-devicetree, linux-watchdog
Subsystem:
the rest, watchdog device drivers · Maintainers:
Linus Torvalds, Wim Van Sebroeck, Guenter Roeck
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. Signed-off-by: Ezequiel Garcia <redacted> --- drivers/watchdog/orion_wdt.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c
index b8d0f87..c2beb9f 100644
--- a/drivers/watchdog/orion_wdt.c
+++ b/drivers/watchdog/orion_wdt.c@@ -52,6 +52,7 @@ 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 {
@@ -88,7 +89,7 @@ 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);
@@ -107,6 +108,14 @@ 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);
@@ -158,6 +167,7 @@ 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[] = {
--
1.8.1.5