diff --git a/drivers/i2c/tegra_i2c.c b/drivers/i2c/tegra_i2c.c
index fc95646..a428978 100644
--- a/drivers/i2c/tegra_i2c.c
+++ b/drivers/i2c/tegra_i2c.c
@@ -235,7 +235,7 @@
 			if ((words == 1) && last_bytes) {
 				local = 0;
 				memcpy(&local, dptr, last_bytes);
-			} else if ((unsigned)dptr & 3) {
+			} else if ((unsigned long)dptr & 3) {
 				memcpy(&local, dptr, sizeof(u32));
 			} else {
 				local = *wptr;
@@ -258,7 +258,7 @@
 			local = readl(&control->rx_fifo);
 			if ((words == 1) && last_bytes)
 				memcpy(dptr, (char *)&local, last_bytes);
-			else if ((unsigned)dptr & 3)
+			else if ((unsigned long)dptr & 3)
 				memcpy(dptr, &local, sizeof(u32));
 			else
 				*wptr = local;