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

[Adrian Hunter]

On 12/03/25 14:17, Ulf Hansson wrote:
> 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>

Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>


> ---
>  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)