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

…ility 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: Alexander Stein <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Ulf Hansson <[email protected]>
chewitt · Jul 12, 2022 · 6f34a4e · 6f34a4e
1 parent f9e5b33
commit 6f34a4e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
@@ -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;
 	}