Re: [PATCH RFT] watchdog: da9063_wdt: parse DT for timeout value, too

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On 4/14/19 4:09 AM, Wolfram Sang wrote:
And make sure the final obtained value gets properly scaled. Remove two
empty lines to group the initialization blocks while we are here.

Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

---

Tested with a Renesas Lager board (R-Car H2, DA9063AD), checking the initial
timeout value via sysfs. I didn't test handover from bootloader because my
bootloader neither supports WDT or I2C out of the box.

  drivers/watchdog/da9063_wdt.c | 10 ++++++----
  1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/watchdog/da9063_wdt.c b/drivers/watchdog/da9063_wdt.c
index 06eb9070203c..3d65e92a4e3f 100644
--- a/drivers/watchdog/da9063_wdt.c
+++ b/drivers/watchdog/da9063_wdt.c
@@ -208,18 +208,20 @@ static int da9063_wdt_probe(struct platform_device *pdev)
  	wdd->min_timeout = DA9063_WDT_MIN_TIMEOUT;
  	wdd->max_timeout = DA9063_WDT_MAX_TIMEOUT;
  	wdd->min_hw_heartbeat_ms = DA9063_RESET_PROTECTION_MS;
-	wdd->timeout = DA9063_WDG_TIMEOUT;
  	wdd->parent = dev;
-
  	wdd->status = WATCHDOG_NOWAYOUT_INIT_STATUS;
watchdog_set_restart_priority(wdd, 128);
-
  	watchdog_set_drvdata(wdd, da9063);
+ /* Set default timeout, maybe override it with DT value, scale it */
+	wdd->timeout = DA9063_WDG_TIMEOUT;
+	watchdog_init_timeout(wdd, 0, dev);
+	da9063_wdt_set_timeout(wdd, wdd->timeout);
+
  	/* Change the timeout to the default value if the watchdog is running */
  	if (da9063_wdt_is_running(da9063)) {
-		da9063_wdt_update_timeout(da9063, DA9063_WDG_TIMEOUT);
+		da9063_wdt_update_timeout(da9063, wdd->timeout);
  		set_bit(WDOG_HW_RUNNING, &wdd->status);
  	}




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