From 5f8681529cb243b3a492e55f2da9d632ad0d5e32 Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Wed, 30 Jan 2008 13:34:06 +0100
Subject: [PATCH] x86: fix ioremap API

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 arch/x86/mm/ioremap.c   | 11 ++++++++---
 include/asm-x86/io_32.h | 13 +++----------
 include/asm-x86/io_64.h | 13 +++----------
 3 files changed, 14 insertions(+), 23 deletions(-)

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index e84c09e7d2..8777bb7688 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -106,8 +106,8 @@ static int ioremap_change_attr(unsigned long phys_addr, unsigned long size,
  * have to convert them into an offset in a page-aligned mapping, but the
  * caller shouldn't need to know that small detail.
  */
-void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,
-			unsigned long flags)
+static void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,
+			       unsigned long flags)
 {
 	void __iomem *addr;
 	struct vm_struct *area;
@@ -164,7 +164,6 @@ void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,
 
 	return (void __iomem *) (offset + (char __iomem *)addr);
 }
-EXPORT_SYMBOL(__ioremap);
 
 /**
  * ioremap_nocache     -   map bus memory into CPU space
@@ -193,6 +192,12 @@ void __iomem *ioremap_nocache(unsigned long phys_addr, unsigned long size)
 }
 EXPORT_SYMBOL(ioremap_nocache);
 
+void __iomem *ioremap_cache(unsigned long phys_addr, unsigned long size)
+{
+	return __ioremap(phys_addr, size, 0);
+}
+EXPORT_SYMBOL(ioremap_cache);
+
 /**
  * iounmap - Free a IO remapping
  * @addr: virtual address from ioremap_*
diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h
index 059a1fee4d..586d7aa54c 100644
--- a/include/asm-x86/io_32.h
+++ b/include/asm-x86/io_32.h
@@ -100,8 +100,6 @@ static inline void * phys_to_virt(unsigned long address)
  */
 #define page_to_phys(page)    ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
 
-extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
-
 /**
  * ioremap     -   map bus memory into CPU space
  * @offset:    bus address of the memory
@@ -116,18 +114,13 @@ extern void __iomem * __ioremap(unsigned long offset, unsigned long size, unsign
  * If the area you are trying to map is a PCI BAR you should have a
  * look at pci_iomap().
  */
-extern void __iomem * ioremap_nocache(unsigned long offset, unsigned long size);
-
-static inline void __iomem *
-ioremap_cache(unsigned long offset, unsigned long size)
-{
-	return __ioremap(offset, size, 0);
-}
+extern void __iomem *ioremap_nocache(unsigned long offset, unsigned long size);
+extern void __iomem *ioremap_cache(unsigned long offset, unsigned long size);
 
 /*
  * The default ioremap() behavior is non-cached:
  */
-static inline void __iomem * ioremap(unsigned long offset, unsigned long size)
+static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
 {
 	return ioremap_nocache(offset, size);
 }
diff --git a/include/asm-x86/io_64.h b/include/asm-x86/io_64.h
index 7dee3c6e9c..ee7a5c9559 100644
--- a/include/asm-x86/io_64.h
+++ b/include/asm-x86/io_64.h
@@ -150,8 +150,6 @@ static inline void * phys_to_virt(unsigned long address)
 
 #include <asm-generic/iomap.h>
 
-extern void __iomem *__ioremap(unsigned long offset, unsigned long size, unsigned long flags);
-
 extern void *early_ioremap(unsigned long addr, unsigned long size);
 extern void early_iounmap(void *addr, unsigned long size);
 
@@ -160,18 +158,13 @@ extern void early_iounmap(void *addr, unsigned long size);
  * it's useful if some control registers are in such an area and write combining
  * or read caching is not desirable:
  */
-extern void __iomem * ioremap_nocache(unsigned long offset, unsigned long size);
-
-static inline void __iomem *
-ioremap_cache(unsigned long offset, unsigned long size)
-{
-	return __ioremap(offset, size, 0);
-}
+extern void __iomem *ioremap_nocache(unsigned long offset, unsigned long size);
+extern void __iomem *ioremap_cache(unsigned long offset, unsigned long size);
 
 /*
  * The default ioremap() behavior is non-cached:
  */
-static inline void __iomem * ioremap(unsigned long offset, unsigned long size)
+static inline void __iomem *ioremap(unsigned long offset, unsigned long size)
 {
 	return ioremap_cache(offset, size);
 }
-- 
2.39.5