diff options
| author | Jani Nikula <jani.nikula@intel.com> | 2020-06-25 18:05:03 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2020-06-25 18:05:03 +0300 |
| commit | 0f69403d2535ffc7200a8414cf3ca66a49b0d741 (patch) | |
| tree | 3ce85dd08359ea872aa8fb9bd12072efdb80a787 /drivers/watchdog/da9062_wdt.c | |
| parent | 580fbdc5136822208f107500682e50a1cb232e94 (diff) | |
| parent | 0a19b068acc47d05212f03e494381926dc0381e2 (diff) | |
| download | linux-0f69403d2535ffc7200a8414cf3ca66a49b0d741.tar.xz | |
Merge drm/drm-next into drm-intel-next-queued
Catch up with upstream, in particular to get c1e8d7c6a7a6 ("mmap locking
API: convert mmap_sem comments").
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/watchdog/da9062_wdt.c')
| -rw-r--r-- | drivers/watchdog/da9062_wdt.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/watchdog/da9062_wdt.c b/drivers/watchdog/da9062_wdt.c index 0ad15d55071c..706fb09c2f24 100644 --- a/drivers/watchdog/da9062_wdt.c +++ b/drivers/watchdog/da9062_wdt.c @@ -35,6 +35,15 @@ struct da9062_watchdog { bool use_sw_pm; }; +static unsigned int da9062_wdt_read_timeout(struct da9062_watchdog *wdt) +{ + unsigned int val; + + regmap_read(wdt->hw->regmap, DA9062AA_CONTROL_D, &val); + + return wdt_timeout[val & DA9062AA_TWDSCALE_MASK]; +} + static unsigned int da9062_wdt_timeout_to_sel(unsigned int secs) { unsigned int i; @@ -58,11 +67,6 @@ static int da9062_wdt_update_timeout_register(struct da9062_watchdog *wdt, unsigned int regval) { struct da9062 *chip = wdt->hw; - int ret; - - ret = da9062_reset_watchdog_timer(wdt); - if (ret) - return ret; regmap_update_bits(chip->regmap, DA9062AA_CONTROL_D, @@ -183,7 +187,7 @@ MODULE_DEVICE_TABLE(of, da9062_compatible_id_table); static int da9062_wdt_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - int ret; + unsigned int timeout; struct da9062 *chip; struct da9062_watchdog *wdt; @@ -213,11 +217,19 @@ static int da9062_wdt_probe(struct platform_device *pdev) watchdog_set_drvdata(&wdt->wdtdev, wdt); dev_set_drvdata(dev, &wdt->wdtdev); - ret = devm_watchdog_register_device(dev, &wdt->wdtdev); - if (ret < 0) - return ret; + timeout = da9062_wdt_read_timeout(wdt); + if (timeout) + wdt->wdtdev.timeout = timeout; + + /* Set timeout from DT value if available */ + watchdog_init_timeout(&wdt->wdtdev, 0, dev); + + if (timeout) { + da9062_wdt_set_timeout(&wdt->wdtdev, wdt->wdtdev.timeout); + set_bit(WDOG_HW_RUNNING, &wdt->wdtdev.status); + } - return da9062_wdt_ping(&wdt->wdtdev); + return devm_watchdog_register_device(dev, &wdt->wdtdev); } static int __maybe_unused da9062_wdt_suspend(struct device *dev) |