1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/w1/ds_w1_bridge.c b/drivers/w1/ds_w1_bridge.c
index 0baaeb5fd630..7bddd8ac7d7f 100644
--- a/drivers/w1/ds_w1_bridge.c
+++ b/drivers/w1/ds_w1_bridge.c
@@ -83,11 +83,11 @@ static u8 ds9490r_read_byte(unsigned long data)
         return byte;
 }
 
-static void ds9490r_write_block(unsigned long data, u8 *buf, int len)
+static void ds9490r_write_block(unsigned long data, const u8 *buf, int len)
 {
         struct ds_device *dev = (struct ds_device *)data;
 
-        ds_write_block(dev, buf, len);
+        ds_write_block(dev, (u8 *)buf, len);
 }
 
 static u8 ds9490r_read_block(unsigned long data, u8 *buf, int len)