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usb: cdns3: gadget: reset EP_CLAIMED flag while unloading

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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@cadence.com>
Acked-by: Peter Chen <peter.chen@nxp.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Link: https://lore.kernel.org/r/20191029122441.5816-1-sparmar@cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sanket Parmar 2019-10-29 12:24:41 +00:00 committed by Greg Kroah-Hartman
parent 84968291d7
commit f5c8d29063
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/cdns3/gadget.c
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@ -2379,6 +2379,8 @@ 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 */