Thread (3 messages) 3 messages, 3 authors, 2021-01-13
STALE2003d LANDED

[PATCH] mmc: sunxi-mmc: Ensure host is suspended during system sleep

From: Samuel Holland <samuel@sholland.org>
Date: 2021-01-13 05:25:52
Also in: linux-arm-kernel, lkml
Subsystem: multimedia card (mmc), secure digital (sd) and sdio subsystem, the rest · Maintainers: Ulf Hansson, Linus Torvalds

If the device suspend process begins before the mmc host's autosuspend
timeout, the host will continue running during system sleep. Avoid
this by forcing runtime suspend during a global suspend transition.

Signed-off-by: Samuel Holland <samuel@sholland.org>
---
 drivers/mmc/host/sunxi-mmc.c | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index 6310693f2ac0..cfee8db7b76d 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -1507,6 +1507,8 @@ static int sunxi_mmc_runtime_suspend(struct device *dev)
 #endif
 
 static const struct dev_pm_ops sunxi_mmc_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+				pm_runtime_force_resume)
 	SET_RUNTIME_PM_OPS(sunxi_mmc_runtime_suspend,
 			   sunxi_mmc_runtime_resume,
 			   NULL)
-- 
2.26.2
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