From faabbb103d604e52bb5b0591b4fe86e349856131 Mon Sep 17 00:00:00 2001 From: Chunfeng Yun Date: Thu, 29 Sep 2022 14:44:59 +0800 Subject: [PATCH] usb: mtu3: fix failed runtime suspend in host only mode [ Upstream commit 1c703e29da5efac6180e4c189029fa34b7e48e97 ] When the dr_mode is "host", after the host enter runtime suspend, the mtu3 can't do it, because the mtu3's device wakeup function is not enabled, instead it's enabled in gadget init function, to fix the issue, init wakeup early in mtu3's probe() Fixes: 6b587394c65c ("usb: mtu3: support suspend/resume for dual-role mode") Reviewed-by: AngeloGioacchino Del Regno Reported-by: Tianping Fang Signed-off-by: Chunfeng Yun Link: https://lore.kernel.org/r/20220929064459.32522-1-chunfeng.yun@mediatek.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/mtu3/mtu3_core.c | 2 -- drivers/usb/mtu3/mtu3_plat.c | 2 ++ 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c index c4a2c37..3ea5145 100644 --- a/drivers/usb/mtu3/mtu3_core.c +++ b/drivers/usb/mtu3/mtu3_core.c @@ -971,8 +971,6 @@ int ssusb_gadget_init(struct ssusb_mtk *ssusb) goto irq_err; } - device_init_wakeup(dev, true); - /* power down device IP for power saving by default */ mtu3_stop(mtu); diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c index f135310..4c4dcbf17 100644 --- a/drivers/usb/mtu3/mtu3_plat.c +++ b/drivers/usb/mtu3/mtu3_plat.c @@ -332,6 +332,8 @@ static int mtu3_probe(struct platform_device *pdev) pm_runtime_enable(dev); pm_runtime_get_sync(dev); + device_init_wakeup(dev, true); + ret = ssusb_rscs_init(ssusb); if (ret) goto comm_init_err; -- 2.7.4