[PATCH v2 06/13] usb: dwc3: drd: use helper to get role-switch-default-mode

Chunfeng Yun
2021-06-18T09:29:57Z

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>
---
v2: no changes
---
drivers/usb/dwc3/drd.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

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;
--
2.18.0