Re: [PATCH 1/1] 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.

Signed-off-by: Weizhao Ouyang <redacted>
---
  include/asm-generic/early_ioremap.h | 6 ------
  mm/early_ioremap.c                  | 5 -----
  2 files changed, 11 deletions(-)

diff --git a/include/asm-generic/early_ioremap.h b/include/asm-generic/early_ioremap.h
index 9def22e6e2b3..9d0479f50f97 100644
--- 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
index 164607c7cdf1..74984c23a87e 100644
--- 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;
  }