usb: dwc3: exynos: remove non-DT support for Exynos Specific Glue layer

DWC3 Exynos Specific Glue layer can be used only for Exynos SoCs.
In addition, non-DT for EXYNOS SoCs is not supported from v3.11;
thus, there is no need to support non-DT for DWC3 Exynos Specific
Glue layer.

The 'linux/platform_data/dwc3-exynos.h' file has been used for
non-DT support. Thus, the 'dwc3-exynos.h' file is removed, because
it is not used anymore.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/dwc3/Kconfig

@@ -55,7 +55,7 @@ config USB_DWC3_OMAP
 
 config USB_DWC3_EXYNOS
 	tristate "Samsung Exynos Platform"
-	depends on ARCH_EXYNOS || COMPILE_TEST
+	depends on ARCH_EXYNOS && OF || COMPILE_TEST
 	default USB_DWC3
 	help
 	  Recent Exynos5 SoCs ship with one DesignWare Core USB3 IP inside,

drivers/usb/dwc3/dwc3-exynos.c

@@ -20,7 +20,6 @@
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/platform_device.h>
-#include <linux/platform_data/dwc3-exynos.h>
 #include <linux/dma-mapping.h>
 #include <linux/clk.h>
 #include <linux/usb/otg.h>
@@ -205,13 +204,11 @@ static int dwc3_exynos_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_OF
 static const struct of_device_id exynos_dwc3_match[] = {
 	{ .compatible = "samsung,exynos5250-dwusb3" },
 	{},
 };
 MODULE_DEVICE_TABLE(of, exynos_dwc3_match);
-#endif
 
 #ifdef CONFIG_PM_SLEEP
 static int dwc3_exynos_suspend(struct device *dev)
@@ -266,7 +263,7 @@ static struct platform_driver dwc3_exynos_driver = {
 	.remove		= dwc3_exynos_remove,
 	.driver		= {
 		.name	= "exynos-dwc3",
-		.of_match_table = of_match_ptr(exynos_dwc3_match),
+		.of_match_table = exynos_dwc3_match,
 		.pm	= DEV_PM_OPS,
 	},
 };

include/linux/platform_data/dwc3-exynos.h

@@ -1,24 +0,0 @@
-/**
- * dwc3-exynos.h - Samsung EXYNOS DWC3 Specific Glue layer, header.
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Author: Anton Tikhomirov <av.tikhomirov@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef _DWC3_EXYNOS_H_
-#define _DWC3_EXYNOS_H_
-
-struct dwc3_exynos_data {
-	int phy_type;
-	int (*phy_init)(struct platform_device *pdev, int type);
-	int (*phy_exit)(struct platform_device *pdev, int type);
-};
-
-#endif /* _DWC3_EXYNOS_H_ */