From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>
Subject: [PATCH 2/4] watchdog: dw_wdt: Detect if running initially
Date: Thu, 10 Jun 2021 15:06:11 +0200 [thread overview]
Message-ID: <20210610130613.27983-2-s.hauer@pengutronix.de> (raw)
In-Reply-To: <20210610130613.27983-1-s.hauer@pengutronix.de>
Let the watchdog core know if the watchdog is currently running or not.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
drivers/watchdog/dw_wdt.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c
index bc5d4a889a..bc5af810ea 100644
--- a/drivers/watchdog/dw_wdt.c
+++ b/drivers/watchdog/dw_wdt.c
@@ -164,6 +164,9 @@ static int dw_wdt_drv_probe(struct device_d *dev)
wdd->hwdev = dev;
wdd->set_timeout = dw_wdt_set_timeout;
+ wdd->running = readl(dw_wdt->regs + WDOG_CONTROL_REG_OFFSET) &
+ WDOG_CONTROL_REG_WDT_EN_MASK ? WDOG_HW_RUNNING : WDOG_HW_NOT_RUNNING;
+
dw_wdt->rate = clk_get_rate(clk);
if (dw_wdt->rate == 0)
return -EINVAL;
--
2.29.2
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next prev parent reply other threads:[~2021-06-10 13:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-10 13:06 [PATCH 1/4] watchdog: dw_wdt: Write counter restart register Sascha Hauer
2021-06-10 13:06 ` Sascha Hauer [this message]
2021-06-10 13:06 ` [PATCH 3/4] watchdog: dw_wdt: set maximum timeout Sascha Hauer
2021-06-10 13:06 ` [PATCH 4/4] watchdog: dw_wdt: denote message to debug level Sascha Hauer
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