From fb484262f9ef0d73e0116b942c114bc48c6c7b3b Mon Sep 17 00:00:00 2001 From: Michael Grzeschik Date: Tue, 17 Oct 2017 17:30:26 +0200 Subject: watchdog: da9062: use protection delay mechanism from core This patch removes the windows protection routine that got now covered by the wdt core. Signed-off-by: Michael Grzeschik Reviewed-by: Guenter Roeck Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck --- drivers/watchdog/da9062_wdt.c | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-) (limited to 'drivers') diff --git a/drivers/watchdog/da9062_wdt.c b/drivers/watchdog/da9062_wdt.c index dbb970e..814dff6 100644 --- a/drivers/watchdog/da9062_wdt.c +++ b/drivers/watchdog/da9062_wdt.c @@ -46,22 +46,6 @@ static void da9062_set_window_start(struct da9062_watchdog *wdt) wdt->j_time_stamp = jiffies; } -static void da9062_apply_window_protection(struct da9062_watchdog *wdt) -{ - unsigned long delay = msecs_to_jiffies(DA9062_RESET_PROTECTION_MS); - unsigned long timeout = wdt->j_time_stamp + delay; - unsigned long now = jiffies; - unsigned int diff_ms; - - /* if time-limit has not elapsed then wait for remainder */ - if (time_before(now, timeout)) { - diff_ms = jiffies_to_msecs(timeout-now); - dev_dbg(wdt->hw->dev, - "Kicked too quickly. Delaying %u msecs\n", diff_ms); - msleep(diff_ms); - } -} - static unsigned int da9062_wdt_timeout_to_sel(unsigned int secs) { unsigned int i; @@ -78,8 +62,6 @@ static int da9062_reset_watchdog_timer(struct da9062_watchdog *wdt) { int ret; - da9062_apply_window_protection(wdt); - ret = regmap_update_bits(wdt->hw->regmap, DA9062AA_CONTROL_F, DA9062AA_WATCHDOG_MASK, @@ -242,6 +224,7 @@ static int da9062_wdt_probe(struct platform_device *pdev) wdt->wdtdev.ops = &da9062_watchdog_ops; wdt->wdtdev.min_timeout = DA9062_WDT_MIN_TIMEOUT; wdt->wdtdev.max_timeout = DA9062_WDT_MAX_TIMEOUT; + wdt->wdtdev.min_hw_heartbeat_ms = DA9062_RESET_PROTECTION_MS; wdt->wdtdev.timeout = DA9062_WDG_DEFAULT_TIMEOUT; wdt->wdtdev.status = WATCHDOG_NOWAYOUT_INIT_STATUS; wdt->wdtdev.parent = &pdev->dev; -- cgit v1.1