Hi,
I come back on this topic as at91sam9g45 is now in mainline. I need this
integration code to have the USB EHCI work on the evaluation kit.
David Brownell :
> On Friday 19 June 2009, Haavard Skinnemoen wrote:
>> David Brownell wrote:
>>>> --- a/arch/arm/mach-at91/at91sam9g45_devices.c
>>>> +++ b/arch/arm/mach-at91/at91sam9g45_devices.c
>>>> + /* Enable VBus control for UHP ports */
>>>> + for (i = 0; i < data->ports; i++) {
>>>> + if (data->vbus_pin[i])
>>>> + at91_set_gpio_output(data->vbus_pin[i], 0);
>>> This should gpio_request() and gpio_direction_output().
>> Hmm...I thought the driver was supposed to call gpio_request(), not the
>> platform code?
>
> In some cases. This isn't a good case for that. Especially
> if it's going to call gpio_direction_output() ... which needs
> gpio_request() to have been done first.
Ok, I am building a patch on top of this one that uses these calls. This
way I can change both vbus pin configuration: OCHI and EHCI.
Best regards,
--
Nicolas Ferre
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