diff options
| author | Ezequiel Garcia <ezequiel.garcia@imgtec.com> | 2015-05-11 14:41:04 -0300 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2015-06-22 15:54:15 +0200 |
| commit | deb8d50eb40085d304b42a524d4ba326fcecc73d (patch) | |
| tree | f16187fb084ef9ee960297dd67c18b5ebcecfac1 /drivers/watchdog/imgpdc_wdt.c | |
| parent | c631f20068369a8b901574df9c7bfc57ce13de75 (diff) | |
| download | lwn-deb8d50eb40085d304b42a524d4ba326fcecc73d.tar.gz lwn-deb8d50eb40085d304b42a524d4ba326fcecc73d.zip | |
watchdog: imgpdc: Fix max timeout
Maximum timeout is currently set in clock cycles, but the watchdog
core expects it to be in seconds. Fix it.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog/imgpdc_wdt.c')
| -rw-r--r-- | drivers/watchdog/imgpdc_wdt.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/watchdog/imgpdc_wdt.c b/drivers/watchdog/imgpdc_wdt.c index 28c10e292aa3..56b8ebcc3775 100644 --- a/drivers/watchdog/imgpdc_wdt.c +++ b/drivers/watchdog/imgpdc_wdt.c @@ -152,6 +152,7 @@ static int pdc_wdt_restart(struct notifier_block *this, unsigned long mode, static int pdc_wdt_probe(struct platform_device *pdev) { + u64 div; int ret, val; unsigned long clk_rate; struct resource *res; @@ -211,7 +212,10 @@ static int pdc_wdt_probe(struct platform_device *pdev) pdc_wdt->wdt_dev.info = &pdc_wdt_info; pdc_wdt->wdt_dev.ops = &pdc_wdt_ops; - pdc_wdt->wdt_dev.max_timeout = 1 << PDC_WDT_CONFIG_DELAY_MASK; + + div = 1ULL << (PDC_WDT_CONFIG_DELAY_MASK + 1); + do_div(div, clk_rate); + pdc_wdt->wdt_dev.max_timeout = div; pdc_wdt->wdt_dev.timeout = PDC_WDT_DEF_TIMEOUT; pdc_wdt->wdt_dev.parent = &pdev->dev; watchdog_set_drvdata(&pdc_wdt->wdt_dev, pdc_wdt); |