[PATCH 1/2] mmc: fix switch issue with send_status disabled

Jaehoon Chung jh80.chung at samsung.com
Sat Aug 28 06:51:04 CEST 2021


On 8/17/21 6:20 PM, Ye Li wrote:
> When send_status is false or wait_dat0 is not supported, the switch
> function should not send CMD13 but directly return.
> 
> Signed-off-by: Ye Li <ye.li at nxp.com>

Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>

Best Regards,
Jaehoon Chung

> ---
>  drivers/mmc/mmc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
> index 8078a89..a1fd533 100644
> --- a/drivers/mmc/mmc.c
> +++ b/drivers/mmc/mmc.c
> @@ -823,7 +823,7 @@ static int __mmc_switch(struct mmc *mmc, u8 set, u8 index, u8 value,
>  	 * capable of polling by using mmc_wait_dat0, then rely on waiting the
>  	 * stated timeout to be sufficient.
>  	 */
> -	if (ret == -ENOSYS && !send_status) {
> +	if (ret == -ENOSYS || !send_status) {
>  		mdelay(timeout_ms);
>  		return 0;
>  	}
> 



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