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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>
This commit is contained in:
Chunfeng Yun 2021-07-15 17:07:51 +08:00 committed by Greg Kroah-Hartman
parent 2037f2991d
commit 26f94fe8e7
1 changed files with 2 additions and 6 deletions
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8
drivers/usb/dwc3/drd.c
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@ -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) static int dwc3_setup_role_switch(struct dwc3 *dwc)
{ {
struct usb_role_switch_desc dwc3_role_switch = {NULL}; struct usb_role_switch_desc dwc3_role_switch = {NULL};
const char *str;
u32 mode; u32 mode;
int ret;
ret = device_property_read_string(dwc->dev, "role-switch-default-mode", dwc->role_switch_default_mode = usb_get_role_switch_default_mode(dwc->dev);
&str); if (dwc->role_switch_default_mode == USB_DR_MODE_HOST) {
if (ret >= 0 && !strncmp(str, "host", strlen("host"))) {
dwc->role_switch_default_mode = USB_DR_MODE_HOST;
mode = DWC3_GCTL_PRTCAP_HOST; mode = DWC3_GCTL_PRTCAP_HOST;
} else { } else {
dwc->role_switch_default_mode = USB_DR_MODE_PERIPHERAL; dwc->role_switch_default_mode = USB_DR_MODE_PERIPHERAL;