diff options
| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2021-06-08 10:57:38 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-06-15 16:43:50 +0300 |
| commit | 13862176a3124e8d6f192e056dd0586e84b7d777 (patch) | |
| tree | 05d895f675258fddbc0a99447b962bb54cf1648c /drivers/usb | |
| parent | 6c7b9497622bd825c77fba776f5958a7aced7da2 (diff) | |
| download | linux-13862176a3124e8d6f192e056dd0586e84b7d777.tar.xz | |
usb: mtu3: use force mode for dual role switch
Force IDDIG status for all three ways of dual role switch, this
is needed when use Type-C to switch mode.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1623139069-8173-13-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_dr.c | 10 | ||||
| -rw-r--r-- | drivers/usb/mtu3/mtu3_host.c | 6 |
2 files changed, 4 insertions, 12 deletions
diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c index 486d26a366b8..cf9e5b59a77e 100644 --- a/drivers/usb/mtu3/mtu3_dr.c +++ b/drivers/usb/mtu3/mtu3_dr.c @@ -148,12 +148,14 @@ static void ssusb_mode_sw_work(struct work_struct *work) switch (desired_role) { case USB_ROLE_HOST: + ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_HOST); mtu3_stop(mtu); switch_port_to_host(ssusb); ssusb_set_vbus(otg_sx, 1); ssusb->is_host = true; break; case USB_ROLE_DEVICE: + ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_DEVICE); ssusb->is_host = false; ssusb_set_vbus(otg_sx, 0); switch_port_to_device(ssusb); @@ -225,13 +227,7 @@ void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host) { struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; - if (to_host) { - ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_HOST); - ssusb_set_mode(otg_sx, USB_ROLE_HOST); - } else { - ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_DEVICE); - ssusb_set_mode(otg_sx, USB_ROLE_DEVICE); - } + ssusb_set_mode(otg_sx, to_host ? USB_ROLE_HOST : USB_ROLE_DEVICE); } void ssusb_set_force_mode(struct ssusb_mtk *ssusb, diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c index 0a8cd446cf1b..93a1a4c11e1e 100644 --- a/drivers/usb/mtu3/mtu3_host.c +++ b/drivers/usb/mtu3/mtu3_host.c @@ -213,8 +213,6 @@ int ssusb_host_disable(struct ssusb_mtk *ssusb, bool suspend) static void ssusb_host_setup(struct ssusb_mtk *ssusb) { - struct otg_switch_mtk *otg_sx = &ssusb->otg_switch; - host_ports_num_get(ssusb); /* @@ -222,9 +220,7 @@ static void ssusb_host_setup(struct ssusb_mtk *ssusb) * if support OTG, gadget driver will switch port0 to device mode */ ssusb_host_enable(ssusb); - - if (otg_sx->manual_drd_enabled) - ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_HOST); + ssusb_set_force_mode(ssusb, MTU3_DR_FORCE_HOST); /* if port0 supports dual-role, works as host mode by default */ ssusb_set_vbus(&ssusb->otg_switch, 1); |