Messages in this thread Patch in this message | | | From | Chunfeng Yun <> | Subject | [PATCH 3/3] usb: mtu3: fix ip sleep auto-exit issue when enable DRD mode | Date | Tue, 25 Jul 2017 16:10:24 +0800 |
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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> --- drivers/usb/mtu3/mtu3_hw_regs.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/mtu3/mtu3_hw_regs.h b/drivers/usb/mtu3/mtu3_hw_regs.h index 2123672..06b2966 100644 --- a/drivers/usb/mtu3/mtu3_hw_regs.h +++ b/drivers/usb/mtu3/mtu3_hw_regs.h @@ -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) -- 1.7.9.5
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