From: Sean Wang <sean.wang@xxxxxxxxxxxx> Fixed warning: incorrect type in assignment reported by kbuild test robot. The detailed warning is shown as below. make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' All warnings (new ones prefixed by >>): btmtkuart.c:671:18: sparse: warning: incorrect type in assignment (different base types) btmtkuart.c:671:18: sparse: expected unsigned int [usertype] baudrate btmtkuart.c:671:18: sparse: got restricted __le32 [usertype] sparse warnings: (new ones prefixed by >>) btmtkuart.c:671:18: sparse: warning: incorrect type in assignment (different base types) btmtkuart.c:671:18: sparse: expected unsigned int [usertype] baudrate btmtkuart.c:671:18: sparse: got restricted __le32 [usertype] vim +671 drivers/bluetooth/btmtkuart.c 659 660 static int btmtkuart_change_baudrate(struct hci_dev *hdev) 661 { 662 struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); 663 struct btmtk_hci_wmt_params wmt_params; 664 u32 baudrate; 665 u8 param; 666 int err; 667 668 /* Indicate the device to enter the probe state the host is 669 * ready to change a new baudrate. 670 */ > 671 baudrate = cpu_to_le32(bdev->desired_speed); 672 wmt_params.op = MTK_WMT_HIF; Fixes: 22eaf6c9946a ("Bluetooth: mediatek: add support for MediaTek MT7663U and MT7668U UART devices") Reported-by: kernel test robot <lkp@xxxxxxxxx> Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx> --- drivers/bluetooth/btmtkuart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/bluetooth/btmtkuart.c b/drivers/bluetooth/btmtkuart.c index b0b680dd69f4..f5dbeec8e274 100644 --- a/drivers/bluetooth/btmtkuart.c +++ b/drivers/bluetooth/btmtkuart.c @@ -661,7 +661,7 @@ static int btmtkuart_change_baudrate(struct hci_dev *hdev) { struct btmtkuart_dev *bdev = hci_get_drvdata(hdev); struct btmtk_hci_wmt_params wmt_params; - u32 baudrate; + __le32 baudrate; u8 param; int err; -- 2.18.0