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Date: Tue, 22 Dec 2020 17:34:40 +0800 From: Chunfeng Yun <chunfeng.yun@...iatek.com> To: Ikjoon Jang <ikjn@...omium.org> CC: Chunfeng Yun <chunfeng.yun@...iatek.com>, Tianping Fang <tianping.fang@...iatek.com>, Zhanyong Wang <zhangyong.wang@...iatek.com>, <linux-mediatek@...ts.infradead.org>, <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: [RFC PATCH v3 3/5] usb: xhci-mtk: fix random remote wakeup Wakeup_signal will toggle status according to ssusb_ip_sleep signal after debounc time, add a delay time to avoid spurious wakeup event. Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com> --- v3: new patch --- drivers/usb/host/xhci-mtk.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index 565ce4c16206..34bd3de090b1 100755 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -172,7 +172,10 @@ static int xhci_mtk_host_disable(struct xhci_hcd_mtk *mtk) if (ret) { dev_err(mtk->dev, "ip sleep failed!!!\n"); return ret; + } else { + usleep_range(200, 250); } + return 0; } -- 2.18.0
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