mmc: core: Do not export MMC_NAME= and MODALIAS=mmc:block for SDIO cards

SDIO non-combo cards are not handled by mmc_block driver and do not have
accessible CID register which is used for MMC_NAME= construction.

Signed-off-by: Pali Rohár <[email protected]>
Reviewed-by: Marek Behún <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Ulf Hansson <[email protected]>

Author: pali

drivers/mmc/core/bus.c

@@ -93,6 +93,13 @@ mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
 			return retval;
 	}
 
+	/*
+	 * SDIO (non-combo) cards are not handled by mmc_block driver and do not
+	 * have accessible CID register which used by mmc_card_name() function.
+	 */
+	if (card->type == MMC_TYPE_SDIO)
+		return 0;
+
 	retval = add_uevent_var(env, "MMC_NAME=%s", mmc_card_name(card));
 	if (retval)
 		return retval;