[PATCH 2/3] spi: rockchip-sfc: Clean up runtime PM on remove

[Guangshuo Li <lgs201920130244@gmail.com>]

rockchip_sfc_probe() enables runtime PM and autosuspend before registering
the controller. After a successful probe, rockchip_sfc_remove() tears down
the controller and clocks without undoing that runtime PM setup.

The probe error path resumes the device, drops the temporary usage count,
disables runtime PM, marks the device suspended, and stops using
autosuspend before disabling the clocks. The remove path lacks this
matching cleanup.

Mirror the existing error-path sequence in rockchip_sfc_remove() before
disabling the clocks.

Fixes: 8011709906d0 ("spi: rockchip-sfc: Support pm ops")
Signed-off-by: Guangshuo Li <lgs201920130244@gmail.com>
---
 drivers/spi/spi-rockchip-sfc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/spi/spi-rockchip-sfc.c b/drivers/spi/spi-rockchip-sfc.c
index 662a994da60b..6e1c7d6318bb 100644
--- a/drivers/spi/spi-rockchip-sfc.c
+++ b/drivers/spi/spi-rockchip-sfc.c
@@ -747,6 +747,12 @@ static void rockchip_sfc_remove(struct platform_device *pdev)
 			 DMA_BIDIRECTIONAL);
 	free_pages((unsigned long)sfc->buffer, get_order(sfc->max_iosize));
 
+	pm_runtime_get_sync(&pdev->dev);
+	pm_runtime_put_noidle(&pdev->dev);
+	pm_runtime_disable(&pdev->dev);
+	pm_runtime_set_suspended(&pdev->dev);
+	pm_runtime_dont_use_autosuspend(&pdev->dev);
+
 	clk_disable_unprepare(sfc->clk);
 	clk_disable_unprepare(sfc->hclk);
 }
-- 
2.43.0