usb: renesas_usbhs: remove notify_hotplug callback

The notify_hotplug callback was supported in v3.10, but the last user
(armadillo800eva) was removed by the commit 1fa59bda21 ("ARM: shmobile:
Remove legacy board code for Armadillo-800 EVA"). So, this patch
removes it.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

include/linux/usb/renesas_usbhs.h

@@ -3,6 +3,7 @@
  * Renesas USB
  *
  * Copyright (C) 2011 Renesas Solutions Corp.
+ * Copyright (C) 2019 Renesas Electronics Corporation
  * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  *
  * This program is distributed in the hope that it will be useful,
@@ -32,17 +33,6 @@ enum {
 	USBHS_MAX,
 };
 
-/*
- * callback functions table for driver
- *
- * These functions are called from platform for driver.
- * Callback function's pointer will be set before
- * renesas_usbhs_platform_callback :: hardware_init was called
- */
-struct renesas_usbhs_driver_callback {
-	int (*notify_hotplug)(struct platform_device *pdev);
-};
-
 /*
  * callback functions for platform
  *
@@ -213,12 +203,6 @@ struct renesas_usbhs_platform_info {
 	 */
 	struct renesas_usbhs_platform_callback	platform_callback;
 
-	/*
-	 * driver set these callback functions pointer.
-	 * platform can use it on callback functions
-	 */
-	struct renesas_usbhs_driver_callback	driver_callback;
-
 	/*
 	 * option:
 	 *
@@ -232,12 +216,4 @@ struct renesas_usbhs_platform_info {
  */
 #define renesas_usbhs_get_info(pdev)\
 	((struct renesas_usbhs_platform_info *)(pdev)->dev.platform_data)
-
-#define renesas_usbhs_call_notify_hotplug(pdev)				\
-	({								\
-		struct renesas_usbhs_driver_callback *dc;		\
-		dc = &(renesas_usbhs_get_info(pdev)->driver_callback);	\
-		if (dc && dc->notify_hotplug)				\
-			dc->notify_hotplug(pdev);			\
-	})
 #endif /* RENESAS_USB_H */