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Subject[PATCH v2 1/2] mmc: core: Do not export MMC_NAME= and MODALIAS=mmc:block for SDIO cards
Date
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@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>

---
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
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