mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 11:03:14 +00:00
b41e5fffe8
We provide an ioremap_flags, so this provides a corresponding devm_ioremap_prot. The slight name difference is at Ben Herrenschmidt's request as he plans on changing ioremap_flags to ioremap_prot in the future. Signed-off-by: Emil Medve <Emilian.Medve@Freescale.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Acked-by: Tejun Heo <htejun@gmail.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/*
|
|
* Copyright 2006 PathScale, Inc. All Rights Reserved.
|
|
*
|
|
* This file is free software; you can redistribute it and/or modify
|
|
* it under the terms of version 2 of the GNU General Public License
|
|
* as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef _LINUX_IO_H
|
|
#define _LINUX_IO_H
|
|
|
|
#include <linux/types.h>
|
|
#include <asm/io.h>
|
|
#include <asm/page.h>
|
|
|
|
struct device;
|
|
|
|
void __iowrite32_copy(void __iomem *to, const void *from, size_t count);
|
|
void __iowrite64_copy(void __iomem *to, const void *from, size_t count);
|
|
|
|
#ifdef CONFIG_MMU
|
|
int ioremap_page_range(unsigned long addr, unsigned long end,
|
|
unsigned long phys_addr, pgprot_t prot);
|
|
#else
|
|
static inline int ioremap_page_range(unsigned long addr, unsigned long end,
|
|
unsigned long phys_addr, pgprot_t prot)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Managed iomap interface
|
|
*/
|
|
#ifdef CONFIG_HAS_IOPORT
|
|
void __iomem * devm_ioport_map(struct device *dev, unsigned long port,
|
|
unsigned int nr);
|
|
void devm_ioport_unmap(struct device *dev, void __iomem *addr);
|
|
#else
|
|
static inline void __iomem *devm_ioport_map(struct device *dev,
|
|
unsigned long port,
|
|
unsigned int nr)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
void __iomem *devm_ioremap(struct device *dev, resource_size_t offset,
|
|
unsigned long size);
|
|
void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset,
|
|
unsigned long size);
|
|
void devm_iounmap(struct device *dev, void __iomem *addr);
|
|
int check_signature(const volatile void __iomem *io_addr,
|
|
const unsigned char *signature, int length);
|
|
void devm_ioremap_release(struct device *dev, void *res);
|
|
|
|
#endif /* _LINUX_IO_H */
|