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| author | Pali Rohár <pali@kernel.org> | 2020-05-27 13:08:57 +0200 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2020-05-29 12:38:00 +0200 |
| commit | c03ac5e6fad13c3ef9ce505191ae7419fda2fa4f (patch) | |
| tree | 3bffaf8ef609fdadb43e5a2c14d9ef8c9c4edd0c | |
| parent | dbdea70f71d672c12bc4454e7c258a8f78194d74 (diff) | |
| download | linux-c03ac5e6fad13c3ef9ce505191ae7419fda2fa4f.tar.bz2 | |
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 <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Link: https://lore.kernel.org/r/20200527110858.17504-1-pali@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
| -rw-r--r-- | drivers/mmc/core/bus.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index 74de3f2dda38..b1cb447da764 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; |