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| author | Tomaz Solc <tomaz.solc@tablix.org> | 2019-02-14 14:36:34 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-02-18 14:26:08 +0100 |
| commit | 73f2bc1466e257dbe2a0edd7d3c2ab4dba8e9470 (patch) | |
| tree | b2ce69206c23c5a284754c513376756b200a47aa | |
| parent | d1bebc03b3005b33da3d1541782bb037974d1486 (diff) | |
| download | barebox-73f2bc1466e257dbe2a0edd7d3c2ab4dba8e9470.tar.gz barebox-73f2bc1466e257dbe2a0edd7d3c2ab4dba8e9470.tar.xz | |
watchdog: bcm2835: set timeout_max.
BCM2835 watchdog timeout can be set to maximum 15 seconds (0xffffff >> 16).
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/watchdog/bcm2835_wdt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/watchdog/bcm2835_wdt.c b/drivers/watchdog/bcm2835_wdt.c index d0c51ed9e9..781626fa0f 100644 --- a/drivers/watchdog/bcm2835_wdt.c +++ b/drivers/watchdog/bcm2835_wdt.c @@ -45,6 +45,10 @@ #define SECS_TO_WDOG_TICKS(x) ((x) << 16) +/* Largest value where SECS_TO_WDOG_TICKS doesn't overflow 20 bits + * (PM_WDOG_TIME_SET) */ +#define WDOG_SECS_MAX 15 + struct bcm2835_wd { struct watchdog wd; void __iomem *base; @@ -101,6 +105,7 @@ static int bcm2835_wd_probe(struct device_d *dev) } priv->base = IOMEM(iores->start); priv->wd.set_timeout = bcm2835_wd_set_timeout; + priv->wd.timeout_max = WDOG_SECS_MAX; priv->wd.hwdev = dev; priv->dev = dev; |