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From: Sean Anderson <seanga2@gmail.com>
To: u-boot@lists.denx.de
Subject: [PATCH v5 3/6] wdt: dw: Enable the clock before using it
Date: Tue, 22 Dec 2020 18:59:00 -0500	[thread overview]
Message-ID: <20201222235903.131751-4-seanga2@gmail.com> (raw)
In-Reply-To: <20201222235903.131751-1-seanga2@gmail.com>

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>
---

(no changes since v1)

 drivers/watchdog/designware_wdt.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/watchdog/designware_wdt.c b/drivers/watchdog/designware_wdt.c
index 41866fa01b..e6f5437056 100644
--- 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;
-- 
2.29.2

  parent reply	other threads:[~2020-12-22 23:59 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-22 23:58 [PATCH v5 0/6] wdt: Add support for watchdogs on Kendryte K210 Sean Anderson
2020-12-22 23:58 ` [PATCH v5 1/6] wdt: dw: Switch to using fls for log2 Sean Anderson
2020-12-22 23:58 ` [PATCH v5 2/6] wdt: dw: Switch to if(CONFIG()) instead of using #if Sean Anderson
2020-12-22 23:59 ` Sean Anderson [this message]
2020-12-22 23:59 ` [PATCH v5 4/6] wdt: dw: Free the clock on error Sean Anderson
2020-12-22 23:59 ` [PATCH v5 5/6] riscv: Add watchdog bindings for the k210 Sean Anderson
2020-12-22 23:59 ` [PATCH v5 6/6] riscv: Enable watchdog " Sean Anderson
2021-03-03 11:08   ` Leo Liang
2021-01-13  6:13 ` [PATCH v5 0/6] wdt: Add support for watchdogs on Kendryte K210 Sean Anderson

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