ARM: UniPhier: move uniphier_ehci_reset() function

Because uniphier_ehci_reset() is only called from ehci-uniphier.c,
it can be a static function there.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Acked-by: Marek Vasut <marex@denx.de>

arch/arm/mach-uniphier/include/mach/ehci-uniphier.h

@@ -1,27 +0,0 @@
-/*
- * Copyright (C) 2014-2015 Panasonic Corporation
- *   Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#ifndef __PLAT_UNIPHIER_EHCI_H
-#define __PLAT_UNIPHIER_EHCI_H
-
-#include <linux/types.h>
-#include <asm/io.h>
-#include "mio-regs.h"
-
-static inline void uniphier_ehci_reset(int index, int on)
-{
-	u32 tmp;
-
-	tmp = readl(MIO_USB_RSTCTRL(index));
-	if (on)
-		tmp &= ~MIO_USB_RSTCTRL_XRST;
-	else
-		tmp |= MIO_USB_RSTCTRL_XRST;
-	writel(tmp, MIO_USB_RSTCTRL(index));
-}
-
-#endif /* __PLAT_UNIPHIER_EHCI_H */

drivers/usb/host/ehci-uniphier.c

@@ -7,8 +7,9 @@
 
 #include <common.h>
 #include <linux/err.h>
+#include <asm/io.h>
 #include <usb.h>
-#include <mach/ehci-uniphier.h>
+#include <mach/mio-regs.h>
 #include <fdtdec.h>
 #include "ehci.h"
 
@@ -35,6 +36,18 @@ static int get_uniphier_ehci_base(int index, struct ehci_hccr **base)
 	return -ENODEV; /* not found */
 }
 
+static void uniphier_ehci_reset(int index, int on)
+{
+	u32 tmp;
+
+	tmp = readl(MIO_USB_RSTCTRL(index));
+	if (on)
+		tmp &= ~MIO_USB_RSTCTRL_XRST;
+	else
+		tmp |= MIO_USB_RSTCTRL_XRST;
+	writel(tmp, MIO_USB_RSTCTRL(index));
+}
+
 int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr,
 		  struct ehci_hcor **hcor)
 {