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| author | Oleksij Rempel <linux@rempel-privat.de> | 2018-03-13 09:33:24 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-03-23 07:35:24 +0100 |
| commit | dc16077260f59df5d22b02c189a4187c27cc3367 (patch) | |
| tree | 0434f846c0c14171c6b7fdf9997c6fcb7a425c33 /drivers/watchdog/ar9344_wdt.c | |
| parent | 65a644388e845bde01215bf378d4df2a6a260a6a (diff) | |
| download | barebox-dc16077260f59df5d22b02c189a4187c27cc3367.tar.gz barebox-dc16077260f59df5d22b02c189a4187c27cc3367.tar.xz | |
watchdog: move max timeout test in to wd_core
this also will be needed for watchdog poller as well
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/watchdog/ar9344_wdt.c')
| -rw-r--r-- | drivers/watchdog/ar9344_wdt.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/watchdog/ar9344_wdt.c b/drivers/watchdog/ar9344_wdt.c index c1dfc994a1..4615288631 100644 --- a/drivers/watchdog/ar9344_wdt.c +++ b/drivers/watchdog/ar9344_wdt.c @@ -41,20 +41,11 @@ struct ar9344_wd { static int ar9344_watchdog_set_timeout(struct watchdog *wd, unsigned timeout) { struct ar9344_wd *priv = to_ar9344_wd(wd); - u32 val, ctrl, rate, max_timout; - - rate = clk_get_rate(priv->clk); - max_timout = U32_MAX / rate; - - if (timeout > max_timout) { - dev_err(priv->dev, "timeout value out of range: %d > %d\n", - timeout, max_timout); - return -EINVAL; - } + u32 val, ctrl; if (timeout) { ctrl = AR9344_WD_CTRL_ACTION_FCR; - val = timeout * rate; + val = timeout * clk_get_rate(priv->clk); } else { ctrl = AR9344_WD_CTRL_ACTION_NONE; val = U32_MAX; @@ -111,6 +102,8 @@ static int ar9344_wdt_probe(struct device_d *dev) clk_enable(priv->clk); + priv->wd.timeout_max = U32_MAX / clk_get_rate(priv->clk); + ret = watchdog_register(&priv->wd); if (ret) goto on_error; |