| From 555df5820e733cded7eb8d0bf78b2a791be51d75 Mon Sep 17 00:00:00 2001 |
| From: Chunfeng Yun <chunfeng.yun@mediatek.com> |
| Date: Mon, 1 Oct 2018 18:36:08 +0300 |
| Subject: usb: xhci-mtk: resume USB3 roothub first |
| |
| From: Chunfeng Yun <chunfeng.yun@mediatek.com> |
| |
| commit 555df5820e733cded7eb8d0bf78b2a791be51d75 upstream. |
| |
| Give USB3 devices a better chance to enumerate at USB3 speeds if |
| they are connected to a suspended host. |
| Porting from "671ffdff5b13 xhci: resume USB 3 roothub first" |
| |
| Cc: <stable@vger.kernel.org> |
| Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> |
| Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/usb/host/xhci-mtk.c | 4 ++-- |
| 1 file changed, 2 insertions(+), 2 deletions(-) |
| |
| --- a/drivers/usb/host/xhci-mtk.c |
| +++ b/drivers/usb/host/xhci-mtk.c |
| @@ -735,10 +735,10 @@ static int __maybe_unused xhci_mtk_resum |
| 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; |
| } |
| |
