ARM: provide runtime hook for ioremap/iounmap

[mv-sheeva.git] / arch / arm / mm / ioremap.c

diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 80632e8d7538f33d5a6539df5a72a90fff52e7ec..024629046f1f00eb9e01a8e6bced4fd92abb84f7 100644 (file)
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -306,11 +306,15 @@ __arm_ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
 }
 EXPORT_SYMBOL(__arm_ioremap_pfn);
 
+void __iomem * (*arch_ioremap_caller)(unsigned long, size_t,
+                                     unsigned int, void *) =
+       __arm_ioremap_caller;
+
 void __iomem *
 __arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
 {
-       return __arm_ioremap_caller(phys_addr, size, mtype,
-                       __builtin_return_address(0));
+       return arch_ioremap_caller(phys_addr, size, mtype,
+               __builtin_return_address(0));
 }
 EXPORT_SYMBOL(__arm_ioremap);
 
@@ -369,4 +373,11 @@ void __iounmap(volatile void __iomem *io_addr)
 
        vunmap(addr);
 }
-EXPORT_SYMBOL(__iounmap);
+
+void (*arch_iounmap)(volatile void __iomem *) = __iounmap;
+
+void __arm_iounmap(volatile void __iomem *io_addr)
+{
+       arch_iounmap(io_addr);
+}
+EXPORT_SYMBOL(__arm_iounmap);