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authorChunfeng Yun <chunfeng.yun@mediatek.com>2017-10-13 17:10:42 +0800
committerFelipe Balbi <felipe.balbi@linux.intel.com>2017-10-19 10:38:11 +0300
commitc776f2c3e81308977e95a228b0665e3d5c63dff3 (patch)
tree2e0daefc114ea8a8e6ab388b72264749d4157d81 /drivers/usb/mtu3/mtu3_host.c
parent1a46dfea0841d5ebc08fafe7b3f60d33581f8e27 (diff)
downloadlinux-c776f2c3e81308977e95a228b0665e3d5c63dff3.tar.bz2
usb: mtu3: use FORCE/RG_IDDIG to implement manual DRD switch
In order to keep manual DRD switch independent on IDDIG interrupt, make use of FORCE/RG_IDDIG instead of IDDIG EINT interrupt to implement manual DRD switch function. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/mtu3/mtu3_host.c')
-rw-r--r--drivers/usb/mtu3/mtu3_host.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/mtu3/mtu3_host.c b/drivers/usb/mtu3/mtu3_host.c
index edcc59148171..ec76b86dd887 100644
--- a/drivers/usb/mtu3/mtu3_host.c
+++ b/drivers/usb/mtu3/mtu3_host.c
@@ -189,6 +189,8 @@ 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);
/*
@@ -197,6 +199,9 @@ static void ssusb_host_setup(struct ssusb_mtk *ssusb)
*/
ssusb_host_enable(ssusb);
+ if (otg_sx->manual_drd_enabled)
+ 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);
}