[PATCH v2] mmc: sdhci-of-at91: fix pm runtime unbalanced issue in error path

[Jisheng Zhang]

The device power usage counter is increased by pm_runtime_get_noresume
but isn't decreased in err_add_host error path.

Fix this issue by calling pm_runtime_put_noidle() in the error path to
restore the device's power usage counter.

Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxxx>
Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>
Fixes: f5f17813ae9b ("mmc: sdhci-of-at91: add PM support)
---
Since v1:
 - Add Ludovic ack
 - address Ulf's comment

 drivers/mmc/host/sdhci-of-at91.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
index 7db7163..35c02fc 100644
--- a/drivers/mmc/host/sdhci-of-at91.c
+++ b/drivers/mmc/host/sdhci-of-at91.c
@@ -211,6 +211,7 @@ static int sdhci_at91_probe(struct platform_device *pdev)
 pm_runtime_disable:
 	pm_runtime_disable(&pdev->dev);
 	pm_runtime_set_suspended(&pdev->dev);
+	pm_runtime_put_noidle(&pdev->dev);
 clocks_disable_unprepare:
 	clk_disable_unprepare(priv->gck);
 	clk_disable_unprepare(priv->mainck);
-- 
1.9.1