[PATCH] mmc: dwmmc: return a proper error code when busy

[Jaehoon Chung]

Hi John,

On 1/12/22 7:12 AM, Jaehoon Chung wrote:
> Hi John,
> 
> On 1/12/22 1:15 AM, John Keeping wrote:
>> When failing to send a command because the hardware is busy, return
>> EBUSY to indicate the cause instead of just -1.

Is this patch same?

https://patchwork.ozlabs.org/project/uboot/patch/20211207160935.404395-1-john@metanate.com/

>>
>> Signed-off-by: John Keeping <john at metanate.com>
> 
> Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>> 
> Best Regards,
> Jaehoon Chung
> 
>> ---
>>  drivers/mmc/dw_mmc.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
>> index a949dad574..4232c5eb8c 100644
>> --- a/drivers/mmc/dw_mmc.c
>> +++ b/drivers/mmc/dw_mmc.c
>> @@ -301,7 +301,7 @@ static int dwmci_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
>>  		flags = dwmci_set_transfer_mode(host, data);
>>  
>>  	if ((cmd->resp_type & MMC_RSP_136) && (cmd->resp_type & MMC_RSP_BUSY))
>> -		return -1;
>> +		return -EBUSY;
>>  
>>  	if (cmd->cmdidx == MMC_CMD_STOP_TRANSMISSION)
>>  		flags |= DWMCI_CMD_ABORT_STOP;
>>
> 
>