[PATCH v4 1/9] usb: cdns3: Set USB PHY mode in cdns3_drd_update_mode()

Minda Chen minda.chen at starfivetech.com
Thu Aug 29 03:30:50 CEST 2024


USB PHY maybe need to set PHY mode in different USB
dr mode. So translate USB PHY mode to generic PHY mode
and call generic_phy_set_mode().

Signed-off-by: Minda Chen <minda.chen at starfivetech.com>
---
 drivers/usb/cdns3/drd.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 47874fec29..cbb1334234 100644
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -217,15 +217,19 @@ static int cdns3_init_otg_mode(struct cdns3 *cdns)
 int cdns3_drd_update_mode(struct cdns3 *cdns)
 {
 	int ret = 0;
+	int mode;
 
 	switch (cdns->dr_mode) {
 	case USB_DR_MODE_PERIPHERAL:
+		mode = PHY_MODE_USB_DEVICE;
 		ret = cdns3_set_mode(cdns, USB_DR_MODE_PERIPHERAL);
 		break;
 	case USB_DR_MODE_HOST:
+		mode = PHY_MODE_USB_HOST;
 		ret = cdns3_set_mode(cdns, USB_DR_MODE_HOST);
 		break;
 	case USB_DR_MODE_OTG:
+		mode = PHY_MODE_USB_OTG;
 		ret = cdns3_init_otg_mode(cdns);
 		break;
 	default:
@@ -234,6 +238,16 @@ int cdns3_drd_update_mode(struct cdns3 *cdns)
 		return -EINVAL;
 	}
 
+	ret = generic_phy_set_mode(&cdns->usb2_phy, mode, 0);
+	if (ret) {
+		dev_err(cdns->dev, "Set usb 2.0 PHY mode failed %d\n", ret);
+		return ret;
+	}
+
+	ret = generic_phy_set_mode(&cdns->usb3_phy, mode, 0);
+	if (ret)
+		dev_err(cdns->dev, "Set usb 3.0 PHY mode failed %d\n", ret);
+
 	return ret;
 }
 
-- 
2.17.1



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