1 files changed, 41 insertions, 0 deletions

diff --git a/drivers/usb/misc/lvstest.c b/drivers/usb/misc/lvstest.c
index 2142132a1f82..ddddd6387f66 100644
--- a/drivers/usb/misc/lvstest.c
+++ b/drivers/usb/misc/lvstest.c
@@ -178,6 +178,25 @@ static ssize_t hot_reset_store(struct device *dev,
 }
 static DEVICE_ATTR_WO(hot_reset);
 
+static ssize_t warm_reset_store(struct device *dev,
+                struct device_attribute *attr, const char *buf, size_t count)
+{
+        struct usb_interface *intf = to_usb_interface(dev);
+        struct usb_device *hdev = interface_to_usbdev(intf);
+        struct lvs_rh *lvs = usb_get_intfdata(intf);
+        int ret;
+
+        ret = lvs_rh_set_port_feature(hdev, lvs->portnum,
+                        USB_PORT_FEAT_BH_PORT_RESET);
+        if (ret < 0) {
+                dev_err(dev, "can't issue warm reset %d\n", ret);
+                return ret;
+        }
+
+        return count;
+}
+static DEVICE_ATTR_WO(warm_reset);
+
 static ssize_t u2_timeout_store(struct device *dev,
                 struct device_attribute *attr, const char *buf, size_t count)
 {
@@ -274,13 +293,35 @@ free_desc:
 }
 static DEVICE_ATTR_WO(get_dev_desc);
 
+static ssize_t enable_compliance_store(struct device *dev,
+                struct device_attribute *attr, const char *buf, size_t count)
+{
+        struct usb_interface *intf = to_usb_interface(dev);
+        struct usb_device *hdev = interface_to_usbdev(intf);
+        struct lvs_rh *lvs = usb_get_intfdata(intf);
+        int ret;
+
+        ret = lvs_rh_set_port_feature(hdev,
+                        lvs->portnum | USB_SS_PORT_LS_COMP_MOD << 3,
+                        USB_PORT_FEAT_LINK_STATE);
+        if (ret < 0) {
+                dev_err(dev, "can't enable compliance mode %d\n", ret);
+                return ret;
+        }
+
+        return count;
+}
+static DEVICE_ATTR_WO(enable_compliance);
+
 static struct attribute *lvs_attributes[] = {
         &dev_attr_get_dev_desc.attr,
         &dev_attr_u1_timeout.attr,
         &dev_attr_u2_timeout.attr,
         &dev_attr_hot_reset.attr,
+        &dev_attr_warm_reset.attr,
         &dev_attr_u3_entry.attr,
         &dev_attr_u3_exit.attr,
+        &dev_attr_enable_compliance.attr,
         NULL
 };