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https://github.com/torvalds/linux
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395519b4b6
early_ioremap_reset() reserved a weak function so that architectures can provide a specific cleanup. Now no architectures use it, remove this redundant function. Link: https://lkml.kernel.org/r/20210901082917.399953-1-o451686892@gmail.com Signed-off-by: Weizhao Ouyang <o451686892@gmail.com> Reviewed-by: David Hildenbrand <david@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_EARLY_IOREMAP_H_
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#define _ASM_EARLY_IOREMAP_H_
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#include <linux/types.h>
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/*
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* early_ioremap() and early_iounmap() are for temporary early boot-time
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* mappings, before the real ioremap() is functional.
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*/
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extern void __iomem *early_ioremap(resource_size_t phys_addr,
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unsigned long size);
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extern void *early_memremap(resource_size_t phys_addr,
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unsigned long size);
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extern void *early_memremap_ro(resource_size_t phys_addr,
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unsigned long size);
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extern void *early_memremap_prot(resource_size_t phys_addr,
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unsigned long size, unsigned long prot_val);
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extern void early_iounmap(void __iomem *addr, unsigned long size);
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extern void early_memunmap(void *addr, unsigned long size);
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#if defined(CONFIG_GENERIC_EARLY_IOREMAP) && defined(CONFIG_MMU)
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/* Arch-specific initialization */
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extern void early_ioremap_init(void);
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/* Generic initialization called by architecture code */
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extern void early_ioremap_setup(void);
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/*
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* Called as last step in paging_init() so library can act
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* accordingly for subsequent map/unmap requests.
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*/
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extern void early_ioremap_reset(void);
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/*
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* Early copy from unmapped memory to kernel mapped memory.
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*/
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extern void copy_from_early_mem(void *dest, phys_addr_t src,
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unsigned long size);
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#else
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static inline void early_ioremap_init(void) { }
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static inline void early_ioremap_setup(void) { }
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static inline void early_ioremap_reset(void) { }
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#endif
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#endif /* _ASM_EARLY_IOREMAP_H_ */
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