aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorChunfeng Yun <chunfeng.yun@mediatek.com>2018-10-01 18:36:08 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-13 09:27:26 +0200
commit35123e64a1682cf3e938458aa786d0b8736474b8 (patch)
treedc5df7383117fe6719207e4bbefc5a6ca05470f0
parentc096f5c4a8bc80efe6c45ed364fd1ac81e2c363a (diff)
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 "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>
-rw-r--r--drivers/usb/host/xhci-mtk.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 8fb60657ed4f..510d28a9d190 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -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;
}