linux-kernel - [PATCH 5.8 186/232] watchdog: rti-wdt: balance pm runtime enable calls

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Date:   Thu, 20 Aug 2020 11:20:37 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Tero Kristo <t-kristo@...com>,
        Guenter Roeck <linux@...ck-us.net>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.8 186/232] watchdog: rti-wdt: balance pm runtime enable calls

From: Tero Kristo <t-kristo@...com>

[ Upstream commit d5b29c2c5ba2bd5bbdb5b744659984185d17d079 ]

PM runtime should be disabled in the fail path of probe and when
the driver is removed.

Fixes: 2d63908bdbfb ("watchdog: Add K3 RTI watchdog support")
Signed-off-by: Tero Kristo <t-kristo@...com>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
Link: https://lore.kernel.org/r/20200717132958.14304-5-t-kristo@ti.com
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@...ux-watchdog.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/watchdog/rti_wdt.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c
index d456dd72d99a0..c904496fff65e 100644
--- a/drivers/watchdog/rti_wdt.c
+++ b/drivers/watchdog/rti_wdt.c
@@ -211,6 +211,7 @@ static int rti_wdt_probe(struct platform_device *pdev)
 
 err_iomap:
 	pm_runtime_put_sync(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
 
 	return ret;
 }
@@ -221,6 +222,7 @@ static int rti_wdt_remove(struct platform_device *pdev)
 
 	watchdog_unregister_device(&wdt->wdd);
 	pm_runtime_put(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
 
 	return 0;
 }
-- 
2.25.1