[PATCH v6 1/3] gpio-uclass.c: save the GPIOD flags also in the gpio descriptor

Walter Lozano walter.lozano at collabora.com
Wed Jul 1 17:24:17 CEST 2020


On 30/6/20 13:19, Walter Lozano wrote:
> Hi Heiko
>
> On 22/5/20 06:08, Heiko Schocher wrote:
>> save the GPIOD_ flags also in the gpio descriptor.
>>
>> Signed-off-by: Heiko Schocher <hs at denx.de>
>> Reviewed-by: Patrick Delaunay <patrick.delaunay at st.com>
>> Fixes: 788ea834124b ("gpio: add function _dm_gpio_set_dir_flags")
>
>
> Thanks for this fix, without it the MMC driver of my iMX6 Hummingboard 
> produces "Card did not respond to voltage select!" and does not work.


Tested-by: Walter Lozano <walter.lozano at collabora.com>

Regards,

Walter

>
>> ---
>>
>> Changes in v6:
>> - add reviewed by from Patrick and Fixes tag
>>
>> Changes in v5:
>> - add comment from patrick, update the descriptor flags
>>    in _dm_gpio_set_dir_flags() if setting direction was OK.
>>
>> Changes in v4:
>> - new in version 4
>>
>> Changes in v3: None
>> Changes in v2: None
>>
>>   drivers/gpio/gpio-uclass.c | 8 ++++----
>>   1 file changed, 4 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
>> index 9eeab22eef..f016532354 100644
>> --- a/drivers/gpio/gpio-uclass.c
>> +++ b/drivers/gpio/gpio-uclass.c
>> @@ -600,6 +600,10 @@ static int _dm_gpio_set_dir_flags(struct 
>> gpio_desc *desc, ulong flags)
>>           }
>>       }
>>   +    /* save the flags also in descriptor */
>> +    if (!ret)
>> +        desc->flags = flags;
>> +
>>       return ret;
>>   }
>>   @@ -615,10 +619,6 @@ int dm_gpio_set_dir_flags(struct gpio_desc 
>> *desc, ulong flags)
>>       flags |= desc->flags;
>>       ret = _dm_gpio_set_dir_flags(desc, flags);
>>   -    /* update the descriptor flags */
>> -    if (ret)
>> -        desc->flags = flags;
>> -
>>       return ret;
>>   }
>
>
> Regards,
>
> Walter
>


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