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usb: mtu3: fix ip sleep auto-exit issue when enable DRD mode

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Ip sleep will auto exit if vbus comparison circuit of u2 phy is
disabled when system tries to enter suspend mode, so get vbus-valid
status from mac but not from u2 phy when enable DRD mode to fix
the issue.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chunfeng Yun 2017-07-25 16:10:24 +08:00 committed by Greg Kroah-Hartman
parent 14a4caa03b
commit b9582d2f1d
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/mtu3/mtu3_hw_regs.h
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@ -462,10 +462,12 @@
#define SSUSB_U3_PORT_DIS BIT(0)
/* U3D_SSUSB_U2_CTRL_0P */
#define SSUSB_U2_PORT_VBUSVALID BIT(9)
#define SSUSB_U2_PORT_OTG_SEL BIT(7)
#define SSUSB_U2_PORT_HOST_SEL BIT(2)
#define SSUSB_U2_PORT_HOST BIT(2)
#define SSUSB_U2_PORT_PDN BIT(1)
#define SSUSB_U2_PORT_DIS BIT(0)
#define SSUSB_U2_PORT_HOST_SEL (SSUSB_U2_PORT_VBUSVALID | SSUSB_U2_PORT_HOST)
/* U3D_SSUSB_DEV_RST_CTRL */
#define SSUSB_DEV_SW_RST BIT(0)