summaryrefslogtreecommitdiffstats
path: root/arch/s390/pci
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2016-01-09 02:16:04 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2016-01-09 02:16:04 -0500
commitbdb97e91e0140230bda9a83f6dbaa29b0c2e0522 (patch)
tree2b4d0308c54241f520a811fec089719a76e3f961 /arch/s390/pci
parent263a3df18fa2c078ab3e8b14fece6cfa6053e86a (diff)
downloadlinux-bdb97e91e0140230bda9a83f6dbaa29b0c2e0522.tar.bz2
[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>
Diffstat (limited to 'arch/s390/pci')
-rw-r--r--arch/s390/pci/pci_dma.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c
index d348f2c09a1e..32da0a6ecec2 100644
--- 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;