diff mbox series

[v2,1/2] mmc: core: Do not export MMC_NAME= and MODALIAS=mmc:block for SDIO cards

Message ID 20200527110858.17504-1-pali@kernel.org (mailing list archive)
State New, archived
Headers show
Series [v2,1/2] mmc: core: Do not export MMC_NAME= and MODALIAS=mmc:block for SDIO cards | expand

Commit Message

Pali Rohár May 27, 2020, 11:08 a.m. UTC
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(+)

Comments

Ulf Hansson May 28, 2020, 10:14 a.m. UTC | #1
On Wed, 27 May 2020 at 13:09, Pali Rohár <pali@kernel.org> wrote:
>
> 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>

Applied for next, thanks!

Kind regards
Uffe


>
> ---
> 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
>
diff mbox series

Patch

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;