diff mbox series

mmc: dwmmc: return a proper error code when busy

Message ID 20220111161525.2499825-1-john@metanate.com
State Accepted
Commit 66d0b7e1f2bdcfbb7a64a0ffc1fd63617b8dd995
Headers show
Series mmc: dwmmc: return a proper error code when busy | expand

Commit Message

John Keeping Jan. 11, 2022, 4:15 p.m. UTC
When failing to send a command because the hardware is busy, return
EBUSY to indicate the cause instead of just -1.

Signed-off-by: John Keeping <john@metanate.com>
---
 drivers/mmc/dw_mmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Jaehoon Chung Jan. 11, 2022, 10:12 p.m. UTC | #1
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.
> 
> Signed-off-by: John Keeping <john@metanate.com>

Reviewed-by: Jaehoon Chung <jh80.chung@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;
>
Jaehoon Chung Jan. 11, 2022, 11:38 p.m. UTC | #2
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@metanate.com>
> 
> Reviewed-by: Jaehoon Chung <jh80.chung@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;
>>
> 
>
John Keeping Jan. 12, 2022, 11:11 a.m. UTC | #3
On Wed, Jan 12, 2022 at 08:38:01AM +0900, Jaehoon Chung wrote:
> On 1/12/22 7:12 AM, Jaehoon Chung wrote:
> > 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/

Yes, sorry - I still had the patch file lying around and passed the
wrong filename to git send-email!

> >>
> >> Signed-off-by: John Keeping <john@metanate.com>
> > 
> > Reviewed-by: Jaehoon Chung <jh80.chung@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;
> >>
> > 
> > 
>
Jaehoon Chung Jan. 12, 2022, 11:42 p.m. UTC | #4
On 1/12/22 8:11 PM, John Keeping wrote:
> On Wed, Jan 12, 2022 at 08:38:01AM +0900, Jaehoon Chung wrote:
>> On 1/12/22 7:12 AM, Jaehoon Chung wrote:
>>> 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://protect2.fireeye.com/v1/url?k=887b401c-d7e0790d-887acb53-0cc47a31cdbc-5fff461e625e1ff5&q=1&e=e07e0f85-41c3-4e09-870a-cdcb715f39aa&u=https%3A%2F%2Fpatchwork.ozlabs.org%2Fproject%2Fuboot%2Fpatch%2F20211207160935.404395-1-john%40metanate.com%2F
> 
> Yes, sorry - I still had the patch file lying around and passed the
> wrong filename to git send-email!

Applied with your previous patch.

Thanks!

Best Regards,
Jaehoon Chung

> 
>>>>
>>>> Signed-off-by: John Keeping <john@metanate.com>
>>>
>>> Reviewed-by: Jaehoon Chung <jh80.chung@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;
>>>>
>>>
>>>
>>
>
diff mbox series

Patch

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;