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mmc: sunxi-mmc: Fix clock refcount imbalance during unbind

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commit 8509419758f2cc28dd05370385af0d91573b76b4 upstream.

If the controller is suspended by runtime PM, the clock is already
disabled, so do not try to disable it again during removal. Use
pm_runtime_disable() to flush any pending runtime PM transitions.

Fixes: 9a8e1e8cc2 ("mmc: sunxi: Add runtime_pm support")
Signed-off-by: Samuel Holland <[email protected]>
Acked-by: Jernej Skrabec <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Samuel Holland 2022-08-09 21:25:09 -05:00 • committed by Greg Kroah-Hartman
commit 61cad0c61c
1 changed files with 5 additions and 3 deletions
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8
drivers/mmc/host/sunxi-mmc.c
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@ -1456,9 +1456,11 @@ static int sunxi_mmc_remove(struct platform_device *pdev)
struct sunxi_mmc_host *host = mmc_priv(mmc);
mmc_remove_host(mmc);
pm_runtime_force_suspend(&pdev->dev);
disable_irq(host->irq);
sunxi_mmc_disable(host);
pm_runtime_disable(&pdev->dev);
if (!pm_runtime_status_suspended(&pdev->dev)) {
disable_irq(host->irq);
sunxi_mmc_disable(host);
}
dma_free_coherent(&pdev->dev, PAGE_SIZE, host->sg_cpu, host->sg_dma);
mmc_free_host(mmc);