linux-kernel - [PATCH] rtc: brcmstb-waketimer: add missed clk_disable

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Message-Id: <20191104155019.9053-1-hslester96@gmail.com>
Date:   Mon,  4 Nov 2019 23:50:19 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        bcm-kernel-feedback-list@...adcom.com, linux-rtc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] rtc: brcmstb-waketimer: add missed clk_disable_unprepare

This driver forgets to disable and unprepare clock when remove.
Add a call to clk_disable_unprepare to fix it.

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 drivers/rtc/rtc-brcmstb-waketimer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/rtc/rtc-brcmstb-waketimer.c b/drivers/rtc/rtc-brcmstb-waketimer.c
index 3e9800f9878a..06b2bdde584a 100644
--- a/drivers/rtc/rtc-brcmstb-waketimer.c
+++ b/drivers/rtc/rtc-brcmstb-waketimer.c
@@ -277,6 +277,8 @@ static int brcmstb_waketmr_remove(struct platform_device *pdev)
 	struct brcmstb_waketmr *timer = dev_get_drvdata(&pdev->dev);
 
 	unregister_reboot_notifier(&timer->reboot_notifier);
+	if (timer->clk)
+		clk_disable_unprepare(timer->clk);
 
 	return 0;
 }
-- 
2.23.0