From 8d2a02b24d66aa359e83eebc1ed3c0f85367a1cb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 16 May 2024 03:11:33 +0000
Subject: [PATCH] AX88772C_eeprom and ax8872c build together

---
 kernel/include/linux/usb/role.h |   71 ++++++++++++++++++++++++++++++++++-
 1 files changed, 69 insertions(+), 2 deletions(-)

diff --git a/kernel/include/linux/usb/role.h b/kernel/include/linux/usb/role.h
index edc51be..b9ccaeb 100644
--- a/kernel/include/linux/usb/role.h
+++ b/kernel/include/linux/usb/role.h
@@ -13,17 +13,21 @@
 	USB_ROLE_DEVICE,
 };
 
-typedef int (*usb_role_switch_set_t)(struct device *dev, enum usb_role role);
-typedef enum usb_role (*usb_role_switch_get_t)(struct device *dev);
+typedef int (*usb_role_switch_set_t)(struct usb_role_switch *sw,
+				     enum usb_role role);
+typedef enum usb_role (*usb_role_switch_get_t)(struct usb_role_switch *sw);
 
 /**
  * struct usb_role_switch_desc - USB Role Switch Descriptor
+ * @fwnode: The device node to be associated with the role switch
  * @usb2_port: Optional reference to the host controller port device (USB2)
  * @usb3_port: Optional reference to the host controller port device (USB3)
  * @udc: Optional reference to the peripheral controller device
  * @set: Callback for setting the role
  * @get: Callback for getting the role (optional)
  * @allow_userspace_control: If true userspace may change the role through sysfs
+ * @driver_data: Private data pointer
+ * @name: Name for the switch (optional)
  *
  * @usb2_port and @usb3_port will point to the USB host port and @udc to the USB
  * device controller behind the USB connector with the role switch. If
@@ -32,22 +36,85 @@
  * usb_role_switch_register() before registering the switch.
  */
 struct usb_role_switch_desc {
+	struct fwnode_handle *fwnode;
 	struct device *usb2_port;
 	struct device *usb3_port;
 	struct device *udc;
 	usb_role_switch_set_t set;
 	usb_role_switch_get_t get;
 	bool allow_userspace_control;
+	void *driver_data;
+	const char *name;
 };
 
+
+#if IS_ENABLED(CONFIG_USB_ROLE_SWITCH)
 int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role);
 enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw);
 struct usb_role_switch *usb_role_switch_get(struct device *dev);
+struct usb_role_switch *fwnode_usb_role_switch_get(struct fwnode_handle *node);
 void usb_role_switch_put(struct usb_role_switch *sw);
+
+struct usb_role_switch *
+usb_role_switch_find_by_fwnode(const struct fwnode_handle *fwnode);
 
 struct usb_role_switch *
 usb_role_switch_register(struct device *parent,
 			 const struct usb_role_switch_desc *desc);
 void usb_role_switch_unregister(struct usb_role_switch *sw);
 
+void usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data);
+void *usb_role_switch_get_drvdata(struct usb_role_switch *sw);
+#else
+static inline int usb_role_switch_set_role(struct usb_role_switch *sw,
+		enum usb_role role)
+{
+	return 0;
+}
+
+static inline enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)
+{
+	return USB_ROLE_NONE;
+}
+
+static inline struct usb_role_switch *usb_role_switch_get(struct device *dev)
+{
+	return ERR_PTR(-ENODEV);
+}
+
+static inline struct usb_role_switch *
+fwnode_usb_role_switch_get(struct fwnode_handle *node)
+{
+	return ERR_PTR(-ENODEV);
+}
+
+static inline void usb_role_switch_put(struct usb_role_switch *sw) { }
+
+static inline struct usb_role_switch *
+usb_role_switch_find_by_fwnode(const struct fwnode_handle *fwnode)
+{
+	return NULL;
+}
+
+static inline struct usb_role_switch *
+usb_role_switch_register(struct device *parent,
+			 const struct usb_role_switch_desc *desc)
+{
+	return ERR_PTR(-ENODEV);
+}
+
+static inline void usb_role_switch_unregister(struct usb_role_switch *sw) { }
+
+static inline void
+usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data)
+{
+}
+
+static inline void *usb_role_switch_get_drvdata(struct usb_role_switch *sw)
+{
+	return NULL;
+}
+
+#endif
+
 #endif /* __LINUX_USB_ROLE_H */

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