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SubjectRe: [PATCH 2/2] USB: add reset resume quirk for usb3503
Hello,

On 2014-07-10 07:22, Joonyoung Shim wrote:
> The usb device will autoresume from choose_wakeup() if it is
> autosuspended with the wrong wakeup setting, but below errors occur
> because usb3503 misc driver will switch to standby mode when suspended.
>
> As add USB_QUIRK_RESET_RESUME, it can stop setting wrong wakeup from
> autosuspend_check().
>
> [ 7.734717] usb 1-3: reset high-speed USB device number 3 using exynos-ehci
> [ 7.854658] usb 1-3: device descriptor read/64, error -71
> [ 8.079657] usb 1-3: device descriptor read/64, error -71
> [ 8.294664] usb 1-3: reset high-speed USB device number 3 using exynos-ehci
> [ 8.414658] usb 1-3: device descriptor read/64, error -71
> [ 8.639657] usb 1-3: device descriptor read/64, error -71
> [ 8.854667] usb 1-3: reset high-speed USB device number 3 using exynos-ehci
> [ 9.264598] usb 1-3: device not accepting address 3, error -71
> [ 9.374655] usb 1-3: reset high-speed USB device number 3 using exynos-ehci
> [ 9.784601] usb 1-3: device not accepting address 3, error -71
> [ 9.784838] usb usb1-port3: device 1-3 not suspended yet
>
> Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>

Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>

> ---
> drivers/usb/core/quirks.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
> index 739ee8e..2c9ba407 100644
> --- a/drivers/usb/core/quirks.c
> +++ b/drivers/usb/core/quirks.c
> @@ -152,6 +152,9 @@ static const struct usb_device_id usb_quirk_list[] = {
> /* INTEL VALUE SSD */
> { USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
>
> + /* USB3503 */
> + { USB_DEVICE(0x0424, 0x3503), .driver_info = USB_QUIRK_RESET_RESUME },
> +
> { } /* terminating entry must be last */
> };
>

Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland



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