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wdt: dw: Enable the clock before using it

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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>
This commit is contained in:
Sean Anderson 2021-03-10 21:02:19 -05:00 committed by Leo Yu-Chi Liang
parent 7d8394366a
commit 4cb0ab4ebc
1 changed files with 4 additions and 0 deletions
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4
drivers/watchdog/designware_wdt.c
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@ -129,6 +129,10 @@ static int designware_wdt_probe(struct udevice *dev)
if (ret) if (ret)
return ret; return ret;
ret = clk_enable(&clk);
if (ret)
return ret;
priv->clk_khz = clk_get_rate(&clk) / 1000; priv->clk_khz = clk_get_rate(&clk) / 1000;
if (!priv->clk_khz) if (!priv->clk_khz)
return -EINVAL; return -EINVAL;