This not only removes boilerplate code from watchdog drivers, it can also be more specific which of the supplied value actually fails. Also, the loglevel becomes now consistent across drivers.
Signed-off-by: Wolfram Sang <[email protected]> --- drivers/watchdog/watchdog_core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c index 85c136acc0e9..407a5ca121d7 100644 --- a/drivers/watchdog/watchdog_core.c +++ b/drivers/watchdog/watchdog_core.c @@ -124,6 +124,8 @@ int watchdog_init_timeout(struct watchdog_device *wdd, wdd->timeout = timeout_parm; return 0; } + dev_err(dev, "driver supplied timeout (%u) out of range\n", + timeout_parm); ret = -EINVAL; } @@ -134,9 +136,13 @@ int watchdog_init_timeout(struct watchdog_device *wdd, wdd->timeout = t; return 0; } + dev_err(dev, "DT supplied timeout (%u) out of range\n", t); ret = -EINVAL; } + if (ret < 0 && wdd->timeout) + dev_warn(dev, "falling back to default timeout (%u)\n", wdd->timeout); + return ret; } EXPORT_SYMBOL_GPL(watchdog_init_timeout); -- 2.11.0
