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-rw-r--r--arch/arm/common/dmabounce.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index f030f0775be7..734ac9135998 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -25,6 +25,7 @@
25#include <linux/module.h> 25#include <linux/module.h>
26#include <linux/init.h> 26#include <linux/init.h>
27#include <linux/slab.h> 27#include <linux/slab.h>
28#include <linux/page-flags.h>
28#include <linux/device.h> 29#include <linux/device.h>
29#include <linux/dma-mapping.h> 30#include <linux/dma-mapping.h>
30#include <linux/dmapool.h> 31#include <linux/dmapool.h>
@@ -349,6 +350,12 @@ dma_addr_t dma_map_page(struct device *dev, struct page *page,
349 350
350 BUG_ON(!valid_dma_direction(dir)); 351 BUG_ON(!valid_dma_direction(dir));
351 352
353 if (PageHighMem(page)) {
354 dev_err(dev, "DMA buffer bouncing of HIGHMEM pages "
355 "is not supported\n");
356 return ~0;
357 }
358
352 return map_single(dev, page_address(page) + offset, size, dir); 359 return map_single(dev, page_address(page) + offset, size, dir);
353} 360}
354EXPORT_SYMBOL(dma_map_page); 361EXPORT_SYMBOL(dma_map_page);