From ed1d4daa0bb48124ad596ab0f71af75cf049f84b Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Fri, 28 Dec 2012 15:34:40 +0100
Subject: [PATCH] --- yaml --- r: 348309 b: refs/heads/master c:
 d3ce88431892b703b04769566338a89eda6b0477 h: refs/heads/master i:   348307:
 80eca8083423896ff7bb935ee705dd5bff4af4ac v: v3

---
 [refs]                             | 2 +-
 trunk/arch/mips/include/asm/page.h | 5 ++++-
 trunk/arch/mips/mm/ioremap.c       | 6 ++++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 964cb2907ef9..5a39b0962608 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 730b8dfe016dd1e91f73d8d3e6724da91397171c
+refs/heads/master: d3ce88431892b703b04769566338a89eda6b0477
diff --git a/trunk/arch/mips/include/asm/page.h b/trunk/arch/mips/include/asm/page.h
index bf84e48ad669..dbaec94046da 100644
--- a/trunk/arch/mips/include/asm/page.h
+++ b/trunk/arch/mips/include/asm/page.h
@@ -198,7 +198,10 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 #endif
 
 #define virt_to_page(kaddr)	pfn_to_page(PFN_DOWN(virt_to_phys(kaddr)))
-#define virt_addr_valid(kaddr)	pfn_valid(PFN_DOWN(virt_to_phys(kaddr)))
+
+extern int __virt_addr_valid(const volatile void *kaddr);
+#define virt_addr_valid(kaddr)						\
+	__virt_addr_valid((const volatile void *) (kaddr))
 
 #define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
 				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
diff --git a/trunk/arch/mips/mm/ioremap.c b/trunk/arch/mips/mm/ioremap.c
index cacfd31e8ec9..7657fd21cd3f 100644
--- a/trunk/arch/mips/mm/ioremap.c
+++ b/trunk/arch/mips/mm/ioremap.c
@@ -190,3 +190,9 @@ void __iounmap(const volatile void __iomem *addr)
 
 EXPORT_SYMBOL(__ioremap);
 EXPORT_SYMBOL(__iounmap);
+
+int __virt_addr_valid(const volatile void *kaddr)
+{
+	return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
+}
+EXPORT_SYMBOL_GPL(__virt_addr_valid);