The patch titled
Subject: mm/early_ioremap.c: remove redundant early_ioremap_shutdown()
has been added to the -mm tree. Its filename is
mm-early_ioremapc-remove-redundant-early_ioremap_shutdown.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-early_ioremapc-remove-redundant-early_ioremap_shutdown.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-early_ioremapc-remove-redundant-early_ioremap_shutdown.patch
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------------------------------------------------------
From: Weizhao Ouyang <o451686892@xxxxxxxxx>
Subject: 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/20210901082917.399953-1-o451686892@xxxxxxxxx
Signed-off-by: Weizhao Ouyang <o451686892@xxxxxxxxx>
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
Cc: Arnd Bergmann <arnd@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/asm-generic/early_ioremap.h | 6 ------
mm/early_ioremap.c | 5 -----
2 files changed, 11 deletions(-)
--- a/include/asm-generic/early_ioremap.h~mm-early_ioremapc-remove-redundant-early_ioremap_shutdown
+++ a/include/asm-generic/early_ioremap.h
@@ -19,12 +19,6 @@ extern void *early_memremap_prot(resourc
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);
--- a/mm/early_ioremap.c~mm-early_ioremapc-remove-redundant-early_ioremap_shutdown
+++ a/mm/early_ioremap.c
@@ -38,13 +38,8 @@ pgprot_t __init __weak early_memremap_pg
return prot;
}
-void __init __weak early_ioremap_shutdown(void)
-{
-}
-
void __init early_ioremap_reset(void)
{
- early_ioremap_shutdown();
after_paging_init = 1;
}
_
Patches currently in -mm which might be from o451686892@xxxxxxxxx are
mm-early_ioremapc-remove-redundant-early_ioremap_shutdown.patch
