Le 18/01/2015 18:24, Sylvain Rochet a écrit :
> If vbus gpio is high at init, we should set vbus_prev to true
> accordingly to the current vbus state. Without that, we skip the first
> vbus interrupt because the saved vbus state is not consistent.
>
> Signed-off-by: Sylvain Rochet <sylvain.rochet@xxxxxxxxxxxx>
Indeed:
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
We can also add the following tags:
Fixes: 914a3f3b3754 ("USB: add atmel_usba_udc driver")
Cc: <stable@xxxxxxxxxxxxxxx> # 2.6.x-ish
Bye,
> ---
> drivers/usb/gadget/udc/atmel_usba_udc.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
> index ce88237..e207d75 100644
> --- a/drivers/usb/gadget/udc/atmel_usba_udc.c
> +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
> @@ -1791,6 +1791,8 @@ static int atmel_usba_start(struct usb_gadget *gadget,
> toggle_bias(1);
> usba_writel(udc, CTRL, USBA_ENABLE_MASK);
> usba_writel(udc, INT_ENB, USBA_END_OF_RESET);
> +
> + udc->vbus_prev = 1;
> }
> spin_unlock_irqrestore(&udc->lock, flags);
>
>
--
Nicolas Ferre
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