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[3/3] usb: dwc3: drd: use helper to get role-switch-default-mode

Message ID 1621933165-9661-3-git-send-email-chunfeng.yun@mediatek.com (mailing list archive)
State New, archived
Headers show
Series [1/3] usb: common: move usb_get_dr_mode() kerneldoc next to its definition | expand

Commit Message

Chunfeng Yun (云春峰) May 25, 2021, 8:59 a.m. UTC 
Use the new helper usb_get_role_switch_default_mode() to
get property of "role-switch-default-mode"

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
---
 drivers/usb/dwc3/drd.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c
index e2b68bb770d1..4e0a26683b06 100644
--- a/drivers/usb/dwc3/drd.c
+++ b/drivers/usb/dwc3/drd.c
@@ -541,14 +541,10 @@  static enum usb_role dwc3_usb_role_switch_get(struct usb_role_switch *sw)
 static int dwc3_setup_role_switch(struct dwc3 *dwc)
 {
 	struct usb_role_switch_desc dwc3_role_switch = {NULL};
-	const char *str;
 	u32 mode;
-	int ret;
 
-	ret = device_property_read_string(dwc->dev, "role-switch-default-mode",
-					  &str);
-	if (ret >= 0  && !strncmp(str, "host", strlen("host"))) {
-		dwc->role_switch_default_mode = USB_DR_MODE_HOST;
+	dwc->role_switch_default_mode = usb_get_role_switch_default_mode(dwc->dev);
+	if (dwc->role_switch_default_mode == USB_DR_MODE_HOST) {
 		mode = DWC3_GCTL_PRTCAP_HOST;
 	} else {
 		dwc->role_switch_default_mode = USB_DR_MODE_PERIPHERAL;