[056/147] mm/early_ioremap.c: remove redundant early_ioremap_shutdown()

Commit Message

Andrew Morton Sept. 8, 2021, 2:56 a.m. UTC

From: Weizhao Ouyang <[e-mail]>
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/[e-mail]
Signed-off-by: Weizhao Ouyang <[e-mail]>
Reviewed-by: David Hildenbrand <[e-mail]>
Cc: Arnd Bergmann <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
---

 include/asm-generic/early_ioremap.h |    6 ------
 mm/early_ioremap.c                  |    5 -----
 2 files changed, 11 deletions(-)

Patch

--- 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;
 }