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| author | Chunfeng Yun <chunfeng.yun@mediatek.com> | 2019-08-29 17:22:38 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-03 20:02:15 +0200 |
| commit | 1ac91ac5d097c1928efe6691d72c619462a9e3c5 (patch) | |
| tree | 24b7dbf1cccdcb71b8679f21b3447fb91ebda012 /drivers/usb/mtu3/mtu3_plat.c | |
| parent | 4602f3bff2669012c1147eecfe74c121765f5c56 (diff) | |
| download | linux-1ac91ac5d097c1928efe6691d72c619462a9e3c5.tar.gz linux-1ac91ac5d097c1928efe6691d72c619462a9e3c5.tar.bz2 linux-1ac91ac5d097c1928efe6691d72c619462a9e3c5.zip | |
usb: mtu3: register a USB Role Switch for dual role mode
Because extcon is not allowed for new bindings, and the
dual role switch is supported by USB Role Switch,
especially for Type-C drivers, so register a USB Role
Switch to support the new way
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1567070558-29417-12-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/mtu3/mtu3_plat.c')
| -rw-r--r-- | drivers/usb/mtu3/mtu3_plat.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c index fd0f6c5dfbc1..9c256ea3cdf5 100644 --- a/drivers/usb/mtu3/mtu3_plat.c +++ b/drivers/usb/mtu3/mtu3_plat.c @@ -299,8 +299,9 @@ static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb) otg_sx->is_u3_drd = of_property_read_bool(node, "mediatek,usb3-drd"); otg_sx->manual_drd_enabled = of_property_read_bool(node, "enable-manual-drd"); + otg_sx->role_sw_used = of_property_read_bool(node, "usb-role-switch"); - if (of_property_read_bool(node, "extcon")) { + if (!otg_sx->role_sw_used && of_property_read_bool(node, "extcon")) { otg_sx->edev = extcon_get_edev_by_phandle(ssusb->dev, 0); if (IS_ERR(otg_sx->edev)) { dev_err(ssusb->dev, "couldn't get extcon device\n"); |