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authorChunfeng Yun <chunfeng.yun@mediatek.com>2021-07-15 17:07:51 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-27 15:58:37 +0200
commit26f94fe8e739641e96c50f70eb6e78ef1693d9ca (patch)
treed41edd7694b17bff6edda234dc524bd1cb0ac364
parent2037f2991ddedded1ef4aaabe4caf11e306158dc (diff)
usb: dwc3: drd: use helper to get role-switch-default-mode
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> Link: https://lore.kernel.org/r/1626340078-29111-7-git-send-email-chunfeng.yun@mediatek.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/dwc3/drd.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/usb/dwc3/drd.c b/drivers/usb/dwc3/drd.c
index 8fcbac10510c..d7f76835137f 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;