Commit 6f34a4ee authored by Alexander Stein's avatar Alexander Stein Committed by Ulf Hansson
Browse files

mmc: core: Do not evaluate HS400 capabilities if bus has no MMC capability 



If 'no-mmc' is set but 'no-mmc-hs400' is not, this warning is raised.
Specifying 'no-mmc' should be enough though.

Signed-off-by: default avatarAlexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20220614113905.1458715-1-alexander.stein@ew.tq-group.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent f9e5b339

drivers/mmc/core/host.c

+1 −1
Original line number Diff line number Diff line
@@ -599,7 +599,7 @@ static int mmc_validate_host_caps(struct mmc_host *host) 
	}



	if (caps2 & (MMC_CAP2_HS400_ES | MMC_CAP2_HS400) &&

	    !(caps & MMC_CAP_8_BIT_DATA)) {

	    !(caps & MMC_CAP_8_BIT_DATA) && !(caps2 & MMC_CAP2_NO_MMC)) {

		dev_warn(dev, "drop HS400 support since no 8-bit bus\n");

		host->caps2 = caps2 & ~MMC_CAP2_HS400_ES & ~MMC_CAP2_HS400;

	}