[SPARC32]: Fix build-warning in io-unit.c

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 1666087c5b80..b86dfce8eee4 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -144,7 +144,7 @@ static void iounit_get_scsi_sgl(struct scatterlist *sg, int sz, struct sbus_bus
         spin_lock_irqsave(&iounit->lock, flags);
         while (sz != 0) {
                 --sz;
-                sg->dvma_address = iounit_get_area(iounit, sg_virt(sg), sg->length);
+                sg->dvma_address = iounit_get_area(iounit, (unsigned long) sg_virt(sg), sg->length);
                 sg->dvma_length = sg->length;
                 sg = sg_next(sg);
         }