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[08/12] usb: mtu3: get optional vbus for host only mode

Message ID 454a6fe891b5dae507337cdaa0c80834fcf78990.1506509659.git.chunfeng.yun@mediatek.com (mailing list archive)
State New, archived
Headers show

Commit Message

Chunfeng Yun (云春峰) Sept. 27, 2017, 10:58 a.m. UTC 
When dr_mode is set as USB_DR_MODE_HOST, it's better to try to
get optional vbus, this can increase flexibility, although we
can set vbus as always on for regulator or put it in host driver
to turn it on.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
 drivers/usb/mtu3/mtu3_plat.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/drivers/usb/mtu3/mtu3_plat.c b/drivers/usb/mtu3/mtu3_plat.c
index 1e473b0..7ca81f4e 100644
--- a/drivers/usb/mtu3/mtu3_plat.c
+++ b/drivers/usb/mtu3/mtu3_plat.c
@@ -300,10 +300,6 @@  static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb)
 	of_property_read_u32(node, "mediatek,u3p-dis-msk",
 			     &ssusb->u3p_dis_msk);
 
-	if (ssusb->dr_mode != USB_DR_MODE_OTG)
-		return 0;
-
-	/* if dual-role mode is supported */
 	vbus = devm_regulator_get(&pdev->dev, "vbus");
 	if (IS_ERR(vbus)) {
 		dev_err(dev, "failed to get vbus\n");
@@ -311,6 +307,10 @@  static int get_ssusb_rscs(struct platform_device *pdev, struct ssusb_mtk *ssusb)
 	}
 	otg_sx->vbus = vbus;
 
+	if (ssusb->dr_mode == USB_DR_MODE_HOST)
+		return 0;
+
+	/* if dual-role mode is supported */
 	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");