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 <pali@xxxxxxxxxx> Reviewed-by: Marek Behún <marek.behun@xxxxxx> --- Changes in V2: * Use early returns pattern --- drivers/mmc/core/bus.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 74de3f2dd..b1cb447da 100644 --- a/drivers/mmc/core/bus.c +++ b/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; -- 2.20.1
