linux-kernel - [PATCH] watchdog: rti-wdt: Add missing pm_runtime

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Message-Id: <20220105092114.23932-1-linmq006@gmail.com>
Date:   Wed,  5 Jan 2022 09:21:13 +0000
From:   Miaoqian Lin <linmq006@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     linmq006@...il.com, Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Tero Kristo <t-kristo@...com>, linux-watchdog@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] watchdog: rti-wdt: Add missing pm_runtime_disable() in probe function

If the probe fails, we should use pm_runtime_disable() to balance
pm_runtime_enable().

Fixes: 2d63908 ("watchdog: Add K3 RTI watchdog support")
Signed-off-by: Miaoqian Lin <linmq006@...il.com>
---
 drivers/watchdog/rti_wdt.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c
index 117bc2a8eb0a..db843f825860 100644
--- a/drivers/watchdog/rti_wdt.c
+++ b/drivers/watchdog/rti_wdt.c
@@ -228,6 +228,7 @@ static int rti_wdt_probe(struct platform_device *pdev)
 	ret = pm_runtime_get_sync(dev);
 	if (ret) {
 		pm_runtime_put_noidle(dev);
+		pm_runtime_disable(&pdev->dev);
 		return dev_err_probe(dev, ret, "runtime pm failed\n");
 	}
 
-- 
2.17.1