Messages in this thread Patch in this message | | | From | Chunfeng Yun <> | Subject | [PATCH 10/11] usb: mtu3: clear dual mode of u3port when disable device | Date | Mon, 27 Jul 2020 15:14:59 +0800 |
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If not clear u3port's dual mode when disable device, the IP will fail to enter sleep mode when suspend.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- drivers/usb/mtu3/mtu3_core.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c index c875b22..a9c5c32 100644 --- a/drivers/usb/mtu3/mtu3_core.c +++ b/drivers/usb/mtu3/mtu3_core.c @@ -131,8 +131,12 @@ static void mtu3_device_disable(struct mtu3 *mtu) mtu3_setbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_DIS | SSUSB_U2_PORT_PDN); - if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) + if (mtu->ssusb->dr_mode == USB_DR_MODE_OTG) { mtu3_clrbits(ibase, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_OTG_SEL); + if (mtu->is_u3_ip) + mtu3_clrbits(ibase, SSUSB_U3_CTRL(0), + SSUSB_U3_PORT_DUAL_MODE); + } mtu3_setbits(ibase, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN); } -- 1.9.1 | |