[PATCH] spi: img-spfi: don't disable runtime PM on DMA deferred probe

[Felix Gu]

When dma_request_chan() returns -EPROBE_DEFER, the error path jumps to
disable_pm and calls pm_runtime_disable() even though pm_runtime_enable()
was never called, leaving disable_depth unbalanced and the device
permanently PM-disabled.

Route the defer path through free_dma to skip pm_runtime_disable().

Fixes: 6bfbf4d0aa0c ("spi: img-spfi: Use dma_request_chan() instead dma_request_slave_channel()")
Signed-off-by: Felix Gu <ustc.gu@xxxxxxxxx>
---
 drivers/spi/spi-img-spfi.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c
index aec724e3f824..a9310a1b0354 100644
--- a/drivers/spi/spi-img-spfi.c
+++ b/drivers/spi/spi-img-spfi.c
@@ -611,7 +611,7 @@ static int img_spfi_probe(struct platform_device *pdev)
 		ret = PTR_ERR(spfi->tx_ch);
 		spfi->tx_ch = NULL;
 		if (ret == -EPROBE_DEFER)
-			goto disable_pm;
+			goto free_dma;
 	}
 
 	spfi->rx_ch = dma_request_chan(spfi->dev, "rx");
@@ -619,7 +619,7 @@ static int img_spfi_probe(struct platform_device *pdev)
 		ret = PTR_ERR(spfi->rx_ch);
 		spfi->rx_ch = NULL;
 		if (ret == -EPROBE_DEFER)
-			goto disable_pm;
+			goto free_dma;
 	}
 
 	if (!spfi->tx_ch || !spfi->rx_ch) {
@@ -647,6 +647,7 @@ static int img_spfi_probe(struct platform_device *pdev)
 
 disable_pm:
 	pm_runtime_disable(spfi->dev);
+free_dma:
 	if (spfi->rx_ch)
 		dma_release_channel(spfi->rx_ch);
 	if (spfi->tx_ch)

---
base-commit: 1701fda2f58e345c050f4309971bdc07cd6146ba
change-id: 20260807-spfi-dea6148b58fc

Best regards,
--  
Felix Gu <ustc.gu@xxxxxxxxx>