+
+static ssize_t wusb_phy_rate_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct wusbhc *wusbhc = usbhc_dev_to_wusbhc(dev);
+
+ return sprintf(buf, "%d\n", wusbhc->phy_rate);
+}
+
+static ssize_t wusb_phy_rate_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t size)
+{
+ struct wusbhc *wusbhc = usbhc_dev_to_wusbhc(dev);
+ uint8_t phy_rate;
+ ssize_t result;
+
+ result = sscanf(buf, "%hhu", &phy_rate);
+ if (result != 1)
+ return -EINVAL;
+ if (phy_rate >= UWB_PHY_RATE_INVALID)
+ return -EINVAL;
+
+ wusbhc->phy_rate = phy_rate;
+ return size;
+}
+static DEVICE_ATTR(wusb_phy_rate, 0644, wusb_phy_rate_show, wusb_phy_rate_store);
+