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 <[email protected]>
---
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
Hello!
On 27.07.2020 10:14, Chunfeng Yun wrote:
> If not clear u3port's dual mode when disable device, the IP
If we don't clear ... when disabling ...?
> will fail to enter sleep mode when suspend.
>
> Signed-off-by: Chunfeng Yun <[email protected]>
[...]
MBR, Sergei
On Mon, 2020-07-27 at 11:07 +0300, Sergei Shtylyov wrote:
> Hello!
>
> On 27.07.2020 10:14, Chunfeng Yun wrote:
>
> > If not clear u3port's dual mode when disable device, the IP
>
> If we don't clear ... when disabling ...?
>
> > will fail to enter sleep mode when suspend.
Ok, thanks a lot
> >
> > Signed-off-by: Chunfeng Yun <[email protected]>
> [...]
>
> MBR, Sergei