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ARM: UniPhier: move uniphier_ehci_reset() function

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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>
This commit is contained in:
Masahiro Yamada 2015-02-27 02:26:55 +09:00
parent 44f597adeb
commit 4c7d025368
2 changed files with 14 additions and 28 deletions
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27
arch/arm/mach-uniphier/include/mach/ehci-uniphier.h
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@ -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 */

15
drivers/usb/host/ehci-uniphier.c
View File

@ -7,8 +7,9 @@
#include <common.h> #include <common.h>
#include <linux/err.h> #include <linux/err.h>
#include <asm/io.h>
#include <usb.h> #include <usb.h>
#include <mach/ehci-uniphier.h> #include <mach/mio-regs.h>
#include <fdtdec.h> #include <fdtdec.h>
#include "ehci.h" #include "ehci.h"
@ -35,6 +36,18 @@ static int get_uniphier_ehci_base(int index, struct ehci_hccr **base)
return -ENODEV; /* not found */ 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, int ehci_hcd_init(int index, enum usb_init_type init, struct ehci_hccr **hccr,
struct ehci_hcor **hcor) struct ehci_hcor **hcor)
{ {