Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1209205

Re: [PATCH 3/5] usb: xhci: Clear XHCI_STATE_DYING on start

From Mathias Nyman <mathias.nyman@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH 3/5] usb: xhci: Clear XHCI_STATE_DYING on start
Date 2015-08-18 13:40 +0200
Message-ID <pYNpg-4Ug-29@gated-at.bofh.it> (permalink)
References <pYMtc-3yQ-9@gated-at.bofh.it> <pYMtc-3yQ-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On 18.08.2015 13:39, Roger Quadros wrote:
> For whatever reason if XHCI died in the previous instant
> then it will never recover on the next xhci_start unless we
> clear the DYING flag.
>
> Signed-off-by: Roger Quadros <rogerq@ti.com>
> ---
>   drivers/usb/host/xhci.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
> index f998ddf..d5f44b1 100644
> --- a/drivers/usb/host/xhci.c
> +++ b/drivers/usb/host/xhci.c
> @@ -146,7 +146,8 @@ static int xhci_start(struct xhci_hcd *xhci)
>   				"waited %u microseconds.\n",
>   				XHCI_MAX_HALT_USEC);
>   	if (!ret)
> -		xhci->xhc_state &= ~XHCI_STATE_HALTED;
> +		xhci->xhc_state &= ~(XHCI_STATE_HALTED | XHCI_STATE_DYING);
> +
>   	return ret;
>   }
>
>

Thanks, applied

-Mathias
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

[PATCH 3/5] usb: xhci: Clear XHCI_STATE_DYING on start Roger Quadros <rogerq@ti.com> - 2015-08-18 12:40 +0200
  Re: [PATCH 3/5] usb: xhci: Clear XHCI_STATE_DYING on start Mathias Nyman <mathias.nyman@intel.com> - 2015-08-18 13:40 +0200

csiph-web