[PATCH 1/6] usb: xhci-mtk: resume USB3 roothub first
From: Chunfeng Yun <chunfeng.yun@mediatek.com>
Date: 2018-08-29 02:55:32
Also in:
linux-arm-kernel, linux-mediatek, linux-usb, lkml
Subsystem:
mediatek usb3 drd ip driver, the rest, usb subsystem, usb xhci driver · Maintainers:
Chunfeng Yun, Linus Torvalds, Greg Kroah-Hartman, Mathias Nyman
Give USB3 devices a better chance to enumerate at USB3 speeds if they are connected to a suspended host. Porting from "671ffdf xhci: resume USB 3 roothub first" Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- drivers/usb/host/xhci-mtk.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index 7334da9..71d0d33 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c@@ -642,10 +642,10 @@ 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; }
--
1.9.1