mfd: qcom_rpm: Fix an error handling path in qcom_rpm_probe()
[ Upstream commit36579aca87
] If an error occurs after the clk_prepare_enable() call, a corresponding clk_disable_unprepare() should be called. Simplify code and switch to devm_clk_get_enabled() to fix it. Fixes:3526403353
("mfd: qcom_rpm: Handle message RAM clock") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Lee Jones <lee@kernel.org> Link: https://lore.kernel.org/r/e39752476d02605b2be46cab7115f71255ce13a8.1668949256.git.christophe.jaillet@wanadoo.fr Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Родитель
b95ae3543e
Коммит
38959417d3
|
@ -547,7 +547,7 @@ static int qcom_rpm_probe(struct platform_device *pdev)
|
||||||
init_completion(&rpm->ack);
|
init_completion(&rpm->ack);
|
||||||
|
|
||||||
/* Enable message RAM clock */
|
/* Enable message RAM clock */
|
||||||
rpm->ramclk = devm_clk_get(&pdev->dev, "ram");
|
rpm->ramclk = devm_clk_get_enabled(&pdev->dev, "ram");
|
||||||
if (IS_ERR(rpm->ramclk)) {
|
if (IS_ERR(rpm->ramclk)) {
|
||||||
ret = PTR_ERR(rpm->ramclk);
|
ret = PTR_ERR(rpm->ramclk);
|
||||||
if (ret == -EPROBE_DEFER)
|
if (ret == -EPROBE_DEFER)
|
||||||
|
@ -558,7 +558,6 @@ static int qcom_rpm_probe(struct platform_device *pdev)
|
||||||
*/
|
*/
|
||||||
rpm->ramclk = NULL;
|
rpm->ramclk = NULL;
|
||||||
}
|
}
|
||||||
clk_prepare_enable(rpm->ramclk); /* Accepts NULL */
|
|
||||||
|
|
||||||
irq_ack = platform_get_irq_byname(pdev, "ack");
|
irq_ack = platform_get_irq_byname(pdev, "ack");
|
||||||
if (irq_ack < 0)
|
if (irq_ack < 0)
|
||||||
|
@ -681,7 +680,6 @@ static int qcom_rpm_remove(struct platform_device *pdev)
|
||||||
struct qcom_rpm *rpm = dev_get_drvdata(&pdev->dev);
|
struct qcom_rpm *rpm = dev_get_drvdata(&pdev->dev);
|
||||||
|
|
||||||
of_platform_depopulate(&pdev->dev);
|
of_platform_depopulate(&pdev->dev);
|
||||||
clk_disable_unprepare(rpm->ramclk);
|
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
Загрузка…
Ссылка в новой задаче