[PATCH] mmc: sdhci-omap: Disable MMC_CAP_AGGRESSIVE_PM for eMMC/SD

From: Ulf Hansson
Date: Wed Mar 12 2025 - 08:17:48 EST


We have received reports about cards can become corrupt related to the
aggressive PM support. Let's make a partial revert of the change that
enabled the feature.

Reported-by: David Owens <daowens01@xxxxxxxxx>
Reported-by: Romain Naour <romain.naour@xxxxxxxx>
Reported-by: Robert Nelson <robertcnelson@xxxxxxxxx>
Tested-by: Robert Nelson <robertcnelson@xxxxxxxxx>
Fixes: 3edf588e7fe0 ("mmc: sdhci-omap: Allow SDIO card power off and enable aggressive PM")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
---
drivers/mmc/host/sdhci-omap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c
index 54d795205fb4..26a9a8b5682a 100644
--- a/drivers/mmc/host/sdhci-omap.c
+++ b/drivers/mmc/host/sdhci-omap.c
@@ -1339,8 +1339,8 @@ static int sdhci_omap_probe(struct platform_device *pdev)
/* R1B responses is required to properly manage HW busy detection. */
mmc->caps |= MMC_CAP_NEED_RSP_BUSY;

- /* Allow card power off and runtime PM for eMMC/SD card devices */
- mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_AGGRESSIVE_PM;
+ /* Enable SDIO card power off. */
+ mmc->caps |= MMC_CAP_POWER_OFF_CARD;

ret = sdhci_setup_host(host);
if (ret)
--
2.43.0