x86: dma-ops on highmem fix

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/x86/kernel/pci-base_32.c b/arch/x86/kernel/pci-base_32.c
index 033d94ec5000..cf4bb28dfc6a 100644
--- a/arch/x86/kernel/pci-base_32.c
+++ b/arch/x86/kernel/pci-base_32.c
@@ -4,12 +4,12 @@
 #include <linux/dma-mapping.h>
 #include <asm/dma-mapping.h>
 
-static dma_addr_t pci32_map_single(struct device *dev, void *ptr,
+static dma_addr_t pci32_map_single(struct device *dev, phys_addr_t ptr,
                                    size_t size, int direction)
 {
         WARN_ON(size == 0);
         flush_write_buffers();
-        return virt_to_phys(ptr);
+        return ptr;
 }
 
 static int pci32_dma_map_sg(struct device *dev, struct scatterlist *sglist,