* [PATCH] spi: omap2-mcspi: Remove unbalanced pm_runtime_put_sync() calls
@ 2026-08-25 17:08 Felix Gu
0 siblings, 0 replies; only message in thread
From: Felix Gu @ 2026-08-25 17:08 UTC (permalink / raw)
To: Mark Brown, Tony Lindgren; +Cc: linux-spi, linux-kernel, Felix Gu
pm_runtime_put_sync() is called in the probe error path and in remove
when nothing holds a runtime PM reference anymore, so it underflows
the usage count.
Fixes: 0e6f357a5deb ("spi: omap2-mcspi: Fix PM regression with deferred probe for pm_runtime_reinit")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
---
drivers/spi/spi-omap2-mcspi.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index a3355147f5de..82c8b91e504e 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -1595,7 +1595,6 @@ static int omap2_mcspi_probe(struct platform_device *pdev)
err_disable_rpm:
pm_runtime_dont_use_autosuspend(&pdev->dev);
- pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
err_release_dma:
omap2_mcspi_release_dma(ctlr);
@@ -1613,7 +1612,6 @@ static void omap2_mcspi_remove(struct platform_device *pdev)
omap2_mcspi_release_dma(ctlr);
pm_runtime_dont_use_autosuspend(mcspi->dev);
- pm_runtime_put_sync(mcspi->dev);
pm_runtime_disable(&pdev->dev);
}
---
base-commit: 4b18edbd8e70f7e6860d56370f13244896d0f95c
change-id: 20260825-mcspi-776196d33dc8
Best regards,
--
Felix Gu <ustc.gu@gmail.com>
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