Re: [PATCH] usb: cdns3: gadget: reset EP_CLAIMED flag while unloading

From: Felipe Balbi
Date: Wed Oct 30 2019 - 07:40:11 EST



Hi Greg,

Sanket Parmar <sparmar@xxxxxxxxxxx> writes:

> EP_CLAIMED flag is used to track the claimed endpoints. While unloading the
> module, Reset EP_CLAIMED flag for all enabled endpoints. So that it can be
> reused.
>
> Signed-off-by: Sanket Parmar <sparmar@xxxxxxxxxxx>

if you want to take this as a patch:

Acked-by: Felipe Balbi <balbi@xxxxxxxxxx>

> ---
> Hi Greg/Felipe,
>
> This can be used for -rc as it is bug fix.
>
> Regards,
> Sanket
>
> drivers/usb/cdns3/gadget.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
> index 9050b380ab83..2fb78322ed3c 100644
> --- a/drivers/usb/cdns3/gadget.c
> +++ b/drivers/usb/cdns3/gadget.c
> @@ -2381,6 +2381,8 @@ static int cdns3_gadget_udc_stop(struct usb_gadget *gadget)
> writel(EP_CMD_EPRST, &priv_dev->regs->ep_cmd);
> readl_poll_timeout_atomic(&priv_dev->regs->ep_cmd, val,
> !(val & EP_CMD_EPRST), 1, 100);
> +
> + priv_ep->flags &= ~EP_CLAIMED;
> }
>
> /* disable interrupt for device */
> --
> 2.17.1
>

--
balbi