[U-Boot] [PATCH 7/7] gpio: tegra: remove flags parsing in xlate routine

Simon Glass sjg at chromium.org
Sat Apr 9 20:34:06 CEST 2016


Hi Stephen,

On 5 April 2016 at 16:09, Stephen Warren <swarren at wwwdotorg.org> wrote:
> On 04/01/2016 09:47 AM, Eric Nelson wrote:
>>
>> With the addition of GPIO_ACTIVE_LOW parsing in gpio-uclass, it is
>> no longer necessary for the tegra-specific xlate function to do this.
>
>
>> diff --git a/drivers/gpio/tegra_gpio.c b/drivers/gpio/tegra_gpio.c
>
>
>> @@ -246,7 +246,6 @@ static int tegra_gpio_xlate(struct udevice *dev,
>> struct gpio_desc *desc,
>>         if (ret)
>>                 return ret;
>>         desc->offset = gpio % TEGRA_GPIOS_PER_PORT;
>> -       desc->flags = args->args[1] & GPIO_ACTIVE_LOW ? GPIOD_ACTIVE_LOW :
>> 0;
>
>
> I expect that after that, you can also remove the following at the top of
> the file:
>
> #include <dt-bindings/gpio/gpio.h>
>
> I expect that's true of other GPIO drivers too.

But I don't think we want this patch for Tegra since we need to keep
the xlate() method, and with your suggested approach earlier, we won't
call the default xlate() method in the uclass for Tegra.

Regards,
Simon


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