linux-kernel - [PATCH] mmc: sdhci-omap: Disable MMC_CAP_AGGRESSIVE

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Message-ID: <20250312121712.1168007-1-ulf.hansson@linaro.org>
Date: Wed, 12 Mar 2025 13:17:12 +0100
From: Ulf Hansson <ulf.hansson@...aro.org>
To: linux-mmc@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Vignesh Raghavendra <vigneshr@...com>
Cc: Tony Lindgren <tony@...mide.com>,
	David Owens <daowens01@...il.com>,
	Robert Nelson <robertcnelson@...il.com>,
	Romain Naour <romain.naour@...le.fr>,
	Andrei Aldea <andrei@...com>,
	Judith Mendez <jm@...com>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	linux-omap@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: [PATCH] mmc: sdhci-omap: Disable MMC_CAP_AGGRESSIVE_PM for eMMC/SD

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@...il.com>
Reported-by: Romain Naour <romain.naour@...le.fr>
Reported-by: Robert Nelson <robertcnelson@...il.com>
Tested-by: Robert Nelson <robertcnelson@...il.com>
Fixes: 3edf588e7fe0 ("mmc: sdhci-omap: Allow SDIO card power off and enable aggressive PM")
Cc: stable@...r.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
---
 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