Merge branch 'akpm' (patches from Andrew)
[linux-2.6-block.git] / drivers / usb / common / common.c
index e6ec125e4485096276b685fd12932aae44dccc87..e3d01619d6b381b4562545e73f99499554d1002e 100644 (file)
@@ -51,6 +51,7 @@ static const char *const speed_names[] = {
        [USB_SPEED_HIGH] = "high-speed",
        [USB_SPEED_WIRELESS] = "wireless",
        [USB_SPEED_SUPER] = "super-speed",
+       [USB_SPEED_SUPER_PLUS] = "super-speed-plus",
 };
 
 const char *usb_speed_string(enum usb_device_speed speed)
@@ -64,18 +65,15 @@ EXPORT_SYMBOL_GPL(usb_speed_string);
 enum usb_device_speed usb_get_maximum_speed(struct device *dev)
 {
        const char *maximum_speed;
-       int err;
-       int i;
+       int ret;
 
-       err = device_property_read_string(dev, "maximum-speed", &maximum_speed);
-       if (err < 0)
+       ret = device_property_read_string(dev, "maximum-speed", &maximum_speed);
+       if (ret < 0)
                return USB_SPEED_UNKNOWN;
 
-       for (i = 0; i < ARRAY_SIZE(speed_names); i++)
-               if (strcmp(maximum_speed, speed_names[i]) == 0)
-                       return i;
+       ret = match_string(speed_names, ARRAY_SIZE(speed_names), maximum_speed);
 
-       return USB_SPEED_UNKNOWN;
+       return (ret < 0) ? USB_SPEED_UNKNOWN : ret;
 }
 EXPORT_SYMBOL_GPL(usb_get_maximum_speed);
 
@@ -109,13 +107,10 @@ static const char *const usb_dr_modes[] = {
 
 static enum usb_dr_mode usb_get_dr_mode_from_string(const char *str)
 {
-       int i;
-
-       for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++)
-               if (!strcmp(usb_dr_modes[i], str))
-                       return i;
+       int ret;
 
-       return USB_DR_MODE_UNKNOWN;
+       ret = match_string(usb_dr_modes, ARRAY_SIZE(usb_dr_modes), str);
+       return (ret < 0) ? USB_DR_MODE_UNKNOWN : ret;
 }
 
 enum usb_dr_mode usb_get_dr_mode(struct device *dev)