Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c
index 48277bb..1433260 100644
--- a/drivers/usb/common/common.c
+++ b/drivers/usb/common/common.c
@@ -15,6 +15,24 @@
#include <linux/usb/of.h>
#include <linux/usb/otg.h>
#include <linux/of_platform.h>
+#include <linux/debugfs.h>
+#include "common.h"
+
+static const char *const ep_type_names[] = {
+ [USB_ENDPOINT_XFER_CONTROL] = "ctrl",
+ [USB_ENDPOINT_XFER_ISOC] = "isoc",
+ [USB_ENDPOINT_XFER_BULK] = "bulk",
+ [USB_ENDPOINT_XFER_INT] = "intr",
+};
+
+const char *usb_ep_type_string(int ep_type)
+{
+ if (ep_type < 0 || ep_type >= ARRAY_SIZE(ep_type_names))
+ return "unknown";
+
+ return ep_type_names[ep_type];
+}
+EXPORT_SYMBOL_GPL(usb_ep_type_string);
const char *usb_otg_state_string(enum usb_otg_state state)
{
@@ -145,6 +163,8 @@
do {
controller = of_find_node_with_property(controller, "phys");
+ if (!of_device_is_available(controller))
+ continue;
index = 0;
do {
if (arg0 == -1) {
@@ -273,4 +293,23 @@
EXPORT_SYMBOL_GPL(usb_of_get_companion_dev);
#endif
+struct dentry *usb_debug_root;
+EXPORT_SYMBOL_GPL(usb_debug_root);
+
+static int __init usb_common_init(void)
+{
+ usb_debug_root = debugfs_create_dir("usb", NULL);
+ ledtrig_usb_init();
+ return 0;
+}
+
+static void __exit usb_common_exit(void)
+{
+ ledtrig_usb_exit();
+ debugfs_remove_recursive(usb_debug_root);
+}
+
+subsys_initcall(usb_common_init);
+module_exit(usb_common_exit);
+
MODULE_LICENSE("GPL");