]> git.ipfire.org Git - thirdparty/kernel/stable.git/commitdiff
i2c: sprd: Delete i2c adapter in .remove's error path
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Thu, 9 Mar 2023 09:58:19 +0000 (10:58 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 14 Jun 2023 08:35:26 +0000 (10:35 +0200)
[ Upstream commit ca0aa17f2db3468fd017038d23a78e17388e2f67 ]

If pm runtime resume fails the .remove callback used to exit early. This
resulted in an error message by the driver core but the device gets
removed anyhow. This lets the registered i2c adapter stay around with an
unbound parent device.

So only skip clk disabling if resume failed, but do delete the adapter.

Fixes: 8b9ec0719834 ("i2c: Add Spreadtrum I2C controller driver")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/i2c/busses/i2c-sprd.c

index 1925c8938119457d947517df26c597d8b55cc33e..452b868e5c9746a1de12e1c744bbf9e248862386 100644 (file)
@@ -581,10 +581,12 @@ static int sprd_i2c_remove(struct platform_device *pdev)
 
        ret = pm_runtime_get_sync(i2c_dev->dev);
        if (ret < 0)
-               return ret;
+               dev_err(&pdev->dev, "Failed to resume device (%pe)\n", ERR_PTR(ret));
 
        i2c_del_adapter(&i2c_dev->adap);
-       clk_disable_unprepare(i2c_dev->clk);
+
+       if (ret >= 0)
+               clk_disable_unprepare(i2c_dev->clk);
 
        pm_runtime_put_noidle(i2c_dev->dev);
        pm_runtime_disable(i2c_dev->dev);