[s390] page_to_phys() always returns a multiple of PAGE_SIZE

Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index d348f2c..32da0a6 100644 (file)
--- a/arch/s390/pci/pci_dma.c
+++ b/arch/s390/pci/pci_dma.c
@@ -366,8 +366,7 @@ static void *s390_dma_alloc(struct device *dev, size_t size,
        pa = page_to_phys(page);
        memset((void *) pa, 0, size);
 
-       map = s390_dma_map_pages(dev, page, pa % PAGE_SIZE,
-                                size, DMA_BIDIRECTIONAL, NULL);
+       map = s390_dma_map_pages(dev, page, 0, size, DMA_BIDIRECTIONAL, NULL);
        if (dma_mapping_error(dev, map)) {
                free_pages(pa, get_order(size));
                return NULL;