diff options
| author | Pali Rohár | 2021-03-09 14:26:54 +0100 |
|---|---|---|
| committer | Stefan Roese | 2021-04-06 10:47:32 +0200 |
| commit | 9c44ff1c5f3c06ecaa165c75e2ba0f4a718d917b (patch) | |
| tree | 0e4c418e803a950f52b753f5bb0f869a9dd3f10f /drivers/watchdog/wdt-uclass.c | |
| parent | 90eba245a66aa20589404ba537215faf2012c1a3 (diff) | |
watchdog: Set/unset GD_FLG_WDT_READY flag in wdt_start()/wdt_stop()
Watchdog is ready after successful call of ops->start() callback in
wdt_start() function. And is stopped after successful call of ops->stop()
callback in wdt_stop function.
So move setting of GD_FLG_WDT_READY flag from initr_watchdog() function to
wdt_start() and ensure that GD_FLG_WDT_READY flag is unset in wdt_stop()
function.
This change ensures that GD_FLG_WDT_READY flag is set only when watchdog is
running. And ensures that flag is also also when watchdog was started not
only by initr_watchdog() call (e.g. by U-Boot 'wdt' command).
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/watchdog/wdt-uclass.c')
| -rw-r--r-- | drivers/watchdog/wdt-uclass.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/watchdog/wdt-uclass.c b/drivers/watchdog/wdt-uclass.c index 28f7918c467..3f707f61f74 100644 --- a/drivers/watchdog/wdt-uclass.c +++ b/drivers/watchdog/wdt-uclass.c @@ -51,7 +51,6 @@ int initr_watchdog(void) } wdt_start(gd->watchdog_dev, timeout * 1000, 0); - gd->flags |= GD_FLG_WDT_READY; printf("WDT: Started with%s servicing (%ds timeout)\n", IS_ENABLED(CONFIG_WATCHDOG) ? "" : "out", timeout); @@ -61,21 +60,31 @@ int initr_watchdog(void) int wdt_start(struct udevice *dev, u64 timeout_ms, ulong flags) { const struct wdt_ops *ops = device_get_ops(dev); + int ret; if (!ops->start) return -ENOSYS; - return ops->start(dev, timeout_ms, flags); + ret = ops->start(dev, timeout_ms, flags); + if (ret == 0) + gd->flags |= GD_FLG_WDT_READY; + + return ret; } int wdt_stop(struct udevice *dev) { const struct wdt_ops *ops = device_get_ops(dev); + int ret; if (!ops->stop) return -ENOSYS; - return ops->stop(dev); + ret = ops->stop(dev); + if (ret == 0) + gd->flags &= ~GD_FLG_WDT_READY; + + return ret; } int wdt_reset(struct udevice *dev) |