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mm/early_ioremap.c: remove redundant early_ioremap_shutdown()

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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>
This commit is contained in:
Weizhao Ouyang 2021-09-07 19:56:06 -07:00 committed by Linus Torvalds
parent 8491502f78
commit 395519b4b6
2 changed files with 0 additions and 11 deletions
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6
include/asm-generic/early_ioremap.h
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@ -19,12 +19,6 @@ extern void *early_memremap_prot(resource_size_t phys_addr,
extern void early_iounmap(void __iomem *addr, unsigned long size);
extern void early_memunmap(void *addr, unsigned long size);
/*
* Weak function called by early_ioremap_reset(). It does nothing, but
* architectures may provide their own version to do any needed cleanups.
*/
extern void early_ioremap_shutdown(void);
#if defined(CONFIG_GENERIC_EARLY_IOREMAP) && defined(CONFIG_MMU)
/* Arch-specific initialization */
extern void early_ioremap_init(void);

5
mm/early_ioremap.c
View File

@ -38,13 +38,8 @@ pgprot_t __init __weak early_memremap_pgprot_adjust(resource_size_t phys_addr,
return prot;
}
void __init __weak early_ioremap_shutdown(void)
{
}
void __init early_ioremap_reset(void)
{
early_ioremap_shutdown();
after_paging_init = 1;
}