mm/early_ioremap.c: remove redundant early_ioremap_shutdown()

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/[email protected] Signed-off-by: Weizhao Ouyang <[email protected]> Reviewed-by: David Hildenbrand <[email protected]> Cc: Arnd Bergmann <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
kawasaki · Sep 8, 2021 · 395519b · 395519b
1 parent 8491502
commit 395519b
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diff --git a/include/asm-generic/early_ioremap.h b/include/asm-generic/early_ioremap.h
@@ -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);

diff --git a/mm/early_ioremap.c b/mm/early_ioremap.c
@@ -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;
 }