diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
index b990805806af89de1e34b258077f2af73d6b1c6a..0c211adbc06398c80ed98d1b6006b8ced30e8ded 100644
--- a/drivers/bluetooth/bfusb.c
+++ b/drivers/bluetooth/bfusb.c
@@ -566,7 +566,8 @@ static int bfusb_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long arg
 	return -ENOIOCTLCMD;
 }
 
-static int bfusb_load_firmware(struct bfusb_data *data, unsigned char *firmware, int count)
+static int bfusb_load_firmware(struct bfusb_data *data,
+			       const unsigned char *firmware, int count)
 {
 	unsigned char *buf;
 	int err, pipe, len, size, sent = 0;
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 7703d6e06fd988926dd2e697e32c4a57eee37158..593b7c5950380bff58d8dac8d19ba95cf129220d 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -470,7 +470,8 @@ static int bt3c_hci_ioctl(struct hci_dev *hdev, unsigned int cmd, unsigned long
 /* ======================== Card services HCI interaction ======================== */
 
 
-static int bt3c_load_firmware(bt3c_info_t *info, unsigned char *firmware, int count)
+static int bt3c_load_firmware(bt3c_info_t *info, const unsigned char *firmware,
+			      int count)
 {
 	char *ptr = (char *) firmware;
 	char b[9];