Re: [PATCH] watchdog: rti: of: honor timeout-sec property

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On 11/7/24 12:38, A. Sverdlin wrote:
From: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxxxx>

Currently "timeout-sec" Device Tree property is being silently ignored:
even though watchdog_init_timeout() is being used, the driver always passes
"heartbeat" == DEFAULT_HEARTBEAT == 60 as argument.

Fix this by setting struct watchdog_device::timeout to DEFAULT_HEARTBEAT
and passing real module parameter value to watchdog_init_timeout() (which
may now be 0 if not specified).

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 2d63908bdbfb ("watchdog: Add K3 RTI watchdog support")
Signed-off-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

---
  drivers/watchdog/rti_wdt.c | 3 ++-
  1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c
index f410b6e39fb6f..58c9445c0f885 100644
--- a/drivers/watchdog/rti_wdt.c
+++ b/drivers/watchdog/rti_wdt.c
@@ -61,7 +61,7 @@
#define MAX_HW_ERROR 250 -static int heartbeat = DEFAULT_HEARTBEAT;
+static int heartbeat;
/*
   * struct to hold data for each WDT device
@@ -252,6 +252,7 @@ static int rti_wdt_probe(struct platform_device *pdev)
  	wdd->min_timeout = 1;
  	wdd->max_hw_heartbeat_ms = (WDT_PRELOAD_MAX << WDT_PRELOAD_SHIFT) /
  		wdt->freq * 1000;
+	wdd->timeout = DEFAULT_HEARTBEAT;
  	wdd->parent = dev;
watchdog_set_drvdata(wdd, wdt);





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