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-rw-r--r--kernel/iomem.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/kernel/iomem.c b/kernel/iomem.c
index f7525e14ebc6..75e61c1c6bc0 100644
--- a/kernel/iomem.c
+++ b/kernel/iomem.c
@@ -3,19 +3,17 @@
#include <linux/types.h>
#include <linux/io.h>
#include <linux/mm.h>
-
-#ifndef ioremap_cache
-/* temporary while we convert existing ioremap_cache users to memremap */
-__weak void __iomem *ioremap_cache(resource_size_t offset, unsigned long size)
-{
- return ioremap(offset, size);
-}
-#endif
+#include <linux/ioremap.h>
#ifndef arch_memremap_wb
-static void *arch_memremap_wb(resource_size_t offset, unsigned long size)
+static void *arch_memremap_wb(resource_size_t offset, unsigned long size,
+ unsigned long flags)
{
+#ifdef ioremap_cache
return (__force void *)ioremap_cache(offset, size);
+#else
+ return (__force void *)ioremap(offset, size);
+#endif
}
#endif
@@ -55,7 +53,7 @@ static void *try_ram_remap(resource_size_t offset, size_t size,
*
* MEMREMAP_WB - matches the default mapping for System RAM on
* the architecture. This is usually a read-allocate write-back cache.
- * Morever, if MEMREMAP_WB is specified and the requested remap region is RAM
+ * Moreover, if MEMREMAP_WB is specified and the requested remap region is RAM
* memremap() will bypass establishing a new mapping and instead return
* a pointer into the direct map.
*
@@ -86,7 +84,7 @@ void *memremap(resource_size_t offset, size_t size, unsigned long flags)
/* Try all mapping types requested until one returns non-NULL */
if (flags & MEMREMAP_WB) {
/*
- * MEMREMAP_WB is special in that it can be satisifed
+ * MEMREMAP_WB is special in that it can be satisfied
* from the direct map. Some archs depend on the
* capability of memremap() to autodetect cases where
* the requested range is potentially in System RAM.
@@ -94,7 +92,7 @@ void *memremap(resource_size_t offset, size_t size, unsigned long flags)
if (is_ram == REGION_INTERSECTS)
addr = try_ram_remap(offset, size, flags);
if (!addr)
- addr = arch_memremap_wb(offset, size);
+ addr = arch_memremap_wb(offset, size, flags);
}
/*
@@ -121,7 +119,7 @@ EXPORT_SYMBOL(memremap);
void memunmap(void *addr)
{
- if (is_vmalloc_addr(addr))
+ if (is_ioremap_addr(addr))
iounmap((void __iomem *) addr);
}
EXPORT_SYMBOL(memunmap);