[PATCH] spi: sun4i: disable clocks in the remove function

Takuo Koguchi
2017-12-06T18:00:00Z

mclk and hclk need to be disabled since pm_runtime_disable does
not disable the clocks.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Takuo Koguchi <takuo.koguchi.sw@hitachi.com>
---
V2: use pm_runtime_force_suspend to avoid unbalance disable
call.
Compile test only, no runtime test.
drivers/spi/spi-sun4i.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c
index c5cd635..ca733b2 100644
--- a/drivers/spi/spi-sun4i.c
+++ b/drivers/spi/spi-sun4i.c
@@ -525,6 +525,7 @@ static int sun4i_spi_probe(struct platform_device *pdev)

static int sun4i_spi_remove(struct platform_device *pdev)
{
+ pm_runtime_force_suspend(&pdev->dev);
pm_runtime_disable(&pdev->dev);

return 0;
--
2.7.4