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Subject[PATCH 4.14 029/251] watchdog: Fix OMAP watchdog early handling
Date
From: Walter Stoll <walter.stoll@duagon.com>

[ Upstream commit cd004d8299f1dc6cfa6a4eea8f94cb45eaedf070 ]

TI's implementation does not service the watchdog even if the kernel
command line parameter omap_wdt.early_enable is set to 1. This patch
fixes the issue.

Signed-off-by: Walter Stoll <walter.stoll@duagon.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/88a8fe5229cd68fa0f1fd22f5d66666c1b7057a0.camel@duagon.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/watchdog/omap_wdt.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index 1b02bfa81b296..40c006ee8492d 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -271,8 +271,12 @@ static int omap_wdt_probe(struct platform_device *pdev)
wdev->wdog.bootstatus = WDIOF_CARDRESET;
}

- if (!early_enable)
+ if (early_enable) {
+ omap_wdt_start(&wdev->wdog);
+ set_bit(WDOG_HW_RUNNING, &wdev->wdog.status);
+ } else {
omap_wdt_disable(wdev);
+ }

ret = watchdog_register_device(&wdev->wdog);
if (ret) {
--
2.33.0


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