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

[Walter Lozano <walter.lozano@collabora.com>]

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@denx.de>
> Reviewed-by: Patrick Delaunay <patrick.delaunay@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.


> ---
>
> 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