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authorChunfeng Yun <chunfeng.yun@mediatek.com>2021-06-08 10:57:38 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-06-15 16:43:50 +0300
commit13862176a3124e8d6f192e056dd0586e84b7d777 (patch)
tree05d895f675258fddbc0a99447b962bb54cf1648c /drivers/usb/mtu3
parent6c7b9497622bd825c77fba776f5958a7aced7da2 (diff)
downloadlinux-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/mtu3')
-rw-r--r--drivers/usb/mtu3/mtu3_dr.c10
-rw-r--r--drivers/usb/mtu3/mtu3_host.c6
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);