We are assuming clocks enabled when calling rockchip_spi_remove, which
is not always true. Those clocks might already been disabled by the
runtime PM at that time.
Call pm_runtime_get_sync before trying to disable clocks to avoid that.
Signed-off-by: Jeffy Chen <jeffy.c...@rock-chips.com>
---
drivers/spi/spi-rockchip.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 5497650..a75fd9b 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -816,11 +816,15 @@ static int rockchip_spi_remove(struct platform_device
*pdev)
struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
struct rockchip_spi *rs = spi_master_get_devdata(master);
- pm_runtime_disable(&pdev->dev);
+ pm_runtime_get_sync(&pdev->dev);
clk_disable_unprepare(rs->spiclk);
clk_disable_unprepare(rs->apb_pclk);
+ pm_runtime_put_noidle(&pdev->dev);
+ pm_runtime_disable(&pdev->dev);
+ pm_runtime_set_suspended(&pdev->dev);
+
if (rs->dma_tx.ch)
dma_release_channel(rs->dma_tx.ch);
if (rs->dma_rx.ch)
--
2.1.4
