[U-Boot] [PATCH v1 02/16] gpio: Add support for Qualcomm gpio controller

[Mateusz Kulikowski <mateusz.kulikowski@gmail.com>]

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On 11.01.2016 17:57, Simon Glass wrote:
> Hi,
> 
> On 6 January 2016 at 11:21, Mateusz Kulikowski
> <mateusz.kulikowski@gmail.com> wrote:
[...]
>> +static int msm_gpio_get_function(struct udevice *dev, unsigned offset)
>> +{
>> +       struct msm_gpio_bank *priv = dev_get_priv(dev);
>> +
>> +       if (readl(priv->base + GPIO_CONFIG_OFF(offset)) & GPIO_OE_ENABLE)
>> +               return GPIOF_OUTPUT;
>> +       return GPIOF_INPUT;
> 
> Can it ever be GPIOF_FUNCTION?

For now - not (at least not until I implement pin multiplexing).

This may change once I upgrade the code to replace LittleKernel/fastboot.

[...]
>> +{
>> +       struct msm_gpio_bank *priv = dev_get_priv(dev);
>> +
>> +       priv->base = dev_get_addr(dev);
>> +       return priv->base == FDT_ADDR_T_NONE;
> 
> Maybe you mean:
> 
>       return priv->base == FDT_ADDR_T_NONE ? -EINVAL : 0;

Yes I meant that :)

Regards,
Mateusz
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