Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 35123e64 authored by Chunfeng Yun's avatar Chunfeng Yun Committed by Greg Kroah-Hartman
Browse files

usb: xhci-mtk: resume USB3 roothub first 



commit 555df5820e733cded7eb8d0bf78b2a791be51d75 upstream.

Give USB3 devices a better chance to enumerate at USB3 speeds if
they are connected to a suspended host.
Porting from "671ffdff xhci: resume USB 3 roothub first"

Cc: <stable@vger.kernel.org>
Signed-off-by: default avatarChunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c096f5c4

drivers/usb/host/xhci-mtk.c

+2 −2
Original line number Diff line number Diff line
@@ -780,10 +780,10 @@ static int __maybe_unused xhci_mtk_resume(struct device *dev) 
	xhci_mtk_host_enable(mtk);



	xhci_dbg(xhci, "%s: restart port polling\n", __func__);

	set_bit(HCD_FLAG_POLL_RH, &hcd->flags);

	usb_hcd_poll_rh_status(hcd);

	set_bit(HCD_FLAG_POLL_RH, &xhci->shared_hcd->flags);

	usb_hcd_poll_rh_status(xhci->shared_hcd);

	set_bit(HCD_FLAG_POLL_RH, &hcd->flags);

	usb_hcd_poll_rh_status(hcd);

	return 0;

}