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sh: move ioremap_fixed details out of <asm/io.h>

Browse Source 
ioremap_fixed is an internal implementation detail and should not be
exposed to drivers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Rich Felker <dalias@libc.org>
This commit is contained in:
Christoph Hellwig 2020-07-14 14:18:50 +02:00 committed by Rich Felker
parent e12b090eae
commit 3eef6b74d9
5 changed files with 26 additions and 16 deletions
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16
arch/sh/include/asm/io.h
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@ -346,22 +346,6 @@ ioremap_prot(phys_addr_t offset, unsigned long size, unsigned long flags)
}
#endif
#ifdef CONFIG_IOREMAP_FIXED
extern void __iomem *ioremap_fixed(phys_addr_t, unsigned long, pgprot_t);
extern int iounmap_fixed(void __iomem *);
extern void ioremap_fixed_init(void);
#else
static inline void __iomem *
ioremap_fixed(phys_addr_t phys_addr, unsigned long size, pgprot_t prot)
{
BUG();
return NULL;
}
static inline void ioremap_fixed_init(void) { }
static inline int iounmap_fixed(void __iomem *addr) { return -EINVAL; }
#endif
#define ioremap_uc ioremap
/*

1
arch/sh/mm/init.c
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@ -28,6 +28,7 @@
#include <asm/setup.h>
#include <asm/cache.h>
#include <linux/sizes.h>
#include "ioremap.h"
pgd_t swapper_pg_dir[PTRS_PER_PGD];

1
arch/sh/mm/ioremap.c
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@ -24,6 +24,7 @@
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
#include <asm/mmu.h>
#include "ioremap.h"
/*
* Remap an arbitrary physical address space into the kernel virtual

23
arch/sh/mm/ioremap.h Normal file
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@ -0,0 +1,23 @@
#ifndef _SH_MM_IORMEMAP_H
#define _SH_MM_IORMEMAP_H 1
#ifdef CONFIG_IOREMAP_FIXED
void __iomem *ioremap_fixed(phys_addr_t, unsigned long, pgprot_t);
int iounmap_fixed(void __iomem *);
void ioremap_fixed_init(void);
#else
static inline void __iomem *
ioremap_fixed(phys_addr_t phys_addr, unsigned long size, pgprot_t prot)
{
BUG();
return NULL;
}
static inline void ioremap_fixed_init(void)
{
}
static inline int iounmap_fixed(void __iomem *addr)
{
return -EINVAL;
}
#endif /* CONFIG_IOREMAP_FIXED */
#endif /* _SH_MM_IORMEMAP_H */

1
arch/sh/mm/ioremap_fixed.c
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@ -24,6 +24,7 @@
#include <asm/tlbflush.h>
#include <asm/mmu.h>
#include <asm/mmu_context.h>
#include "ioremap.h"
struct ioremap_map {
void __iomem *addr;