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wdt: dw: Enable the clock before using it
author
Sean Anderson
<seanga2@gmail.com>
Thu, 11 Mar 2021 02:02:19 +0000
(21:02 -0500)
committer
Leo Yu-Chi Liang
<ycliang@andestech.com>
Thu, 8 Apr 2021 07:37:27 +0000
(15:37 +0800)
The watchdog won't work if the clock isn't enabled.
Fixes:
cf89ef8d10f240554541c20b2e1bdcdd58d1d7e6
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
drivers/watchdog/designware_wdt.c
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diff --git
a/drivers/watchdog/designware_wdt.c
b/drivers/watchdog/designware_wdt.c
index
a65487d
..
709a67f
100644
(file)
--- a/
drivers/watchdog/designware_wdt.c
+++ b/
drivers/watchdog/designware_wdt.c
@@
-129,6
+129,10
@@
static int designware_wdt_probe(struct udevice *dev)
if (ret)
return ret;
+ ret = clk_enable(&clk);
+ if (ret)
+ return ret;
+
priv->clk_khz = clk_get_rate(&clk) / 1000;
if (!priv->clk_khz)
return -EINVAL;