Re: [PATCH 2/2] usb: musb: ignore disconnect on suspend

[Tony Lindgren <tony@atomide.com>]

* Felipe Balbi <felipe.balbi@nokia.com> [080611 14:09]:
> This still needed, otherwise tusb2.0 won't connect after
> a power cycle.

Pushing today.

Tony

> Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
> ---
>  drivers/usb/musb/musb_core.c |    6 +++++-
>  1 files changed, 5 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
> index 019898a..5b92f21 100644
> --- a/drivers/usb/musb/musb_core.c
> +++ b/drivers/usb/musb/musb_core.c
> @@ -659,7 +659,11 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
>  			switch (musb->xceiv.state) {
>  #ifdef CONFIG_USB_OTG
>  			case OTG_STATE_A_SUSPEND:
> -				musb->ignore_disconnect = 0;
> +				/* We need to ignore disconnect on suspend
> +				 * otherwise tusb 2.0 won't reconnect after a
> +				 * power cycle, which breaks otg compliance.
> +				 */
> +				musb->ignore_disconnect = 1;
>  				musb_g_reset(musb);
>  				/* FALLTHROUGH */
>  			case OTG_STATE_A_WAIT_BCON:	/* OPT TD.4.7-900ms */
> -- 
> 1.5.6.rc1
> 
> --
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