ieee1394: sbp2: enforce 32bit DMA mapping

[~andy/linux] / drivers / ieee1394 / sbp2.c

diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index 4edfff46b1e60a8801ef4a1a87a7598a758fd0cd..e15b5d7b9a026ac9e8db0619b496f5c3fe217e79 100644 (file)
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -757,6 +757,11 @@ static struct sbp2_lu *sbp2_alloc_device(struct unit_directory *ud)
                        SBP2_ERR("failed to register lower 4GB address range");
                        goto failed_alloc;
                }
+#else
+               if (dma_set_mask(hi->host->device.parent, DMA_32BIT_MASK)) {
+                       SBP2_ERR("failed to set 4GB DMA mask");
+                       goto failed_alloc;
+               }
 #endif
        }