It should not appear in the 4.9 kernel, https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=l...

it cause Can't set device: Protocol not supported Can't initialize device: Protocol not supported

# rtk_hciattach -n -s 115200 /dev/ttyS1 rtk_h5 Realtek Bluetooth init uart with init speed:115200, final_speed:115200, type:HCI UART H5 Realtek Bluetooth :Realtek hciattach version 2.5

Realtek Bluetooth :3-wire sync pattern resend : 1, len: 8

Realtek Bluetooth :Get SYNC Resp Pkt

Realtek Bluetooth :Get SYNC pkt-active mode

Realtek Bluetooth :3-wire config pattern resend : 1 , len: 10 Realtek Bluetooth :Get CONFG pkt-active mode

Realtek Bluetooth :Get CONFG resp pkt-active mode

Realtek Bluetooth :H5 init finished

Realtek Bluetooth :config offset(f4),length(8) Realtek Bluetooth :config baud rate to :4928002, hwflowcontrol:5f, 1 Realtek Bluetooth :config offset(27),length(1) Realtek Bluetooth :config offset(fe),length(1) Realtek Bluetooth :config offset(15b),length(4) Realtek Bluetooth :config offset(1e3),length(1) Realtek Bluetooth :Get config baud rate from config file:4928002 Realtek Bluetooth :Load FW OK Realtek Bluetooth :RTK send HCI_VENDOR_READ_RTK_ROM_VERISION_Command

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :receive hci command complete event with command:1001

Realtek Bluetooth :Read RTK LMP version with Status:0 Realtek Bluetooth :gLmpVersion = 0x8723 Realtek Bluetooth :RTK send HCI_VENDOR_READ_RTK_ROM_VERISION_Command

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :receive hci command complete event with command:fc6d

Realtek Bluetooth :Read RTK rom version with Status:0 Realtek Bluetooth :rtk_hw_cfg.eversion = 1 Realtek Bluetooth :rtk_get_fw_project_id: opcode 0, len 1, data 1 Realtek Bluetooth :fw_ver 0x1e3ee40e, patch_num 2 Realtek Bluetooth :patch length is 0x5e90 Realtek Bluetooth :start offset is 0x4f00 Realtek Bluetooth :fw: exists, config file: exists Realtek Bluetooth :baudrate in change speed command: 0x2 0x80 0x92 0x4

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :receive hci command complete event with command:fc17

Realtek Bluetooth :Change BD Rate with status:0 Realtek Bluetooth :final_speed 1500000

Realtek Bluetooth :hw flow control enable Realtek Bluetooth :iEndIndex:96 iLastPacketLen:71 iAdditionpkt:4

Realtek Bluetooth :hci_download_patch tx_index:0 rx_index: -1

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 0

Realtek Bluetooth :hci_download_patch tx_index:1 rx_index: 0

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 1

Realtek Bluetooth :hci_download_patch tx_index:2 rx_index: 1

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 2

Realtek Bluetooth :hci_download_patch tx_index:3 rx_index: 2

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 3

Realtek Bluetooth :hci_download_patch tx_index:4 rx_index: 3

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 4

Realtek Bluetooth :hci_download_patch tx_index:5 rx_index: 4

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 5

Realtek Bluetooth :hci_download_patch tx_index:6 rx_index: 5

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 6

Realtek Bluetooth :hci_download_patch tx_index:7 rx_index: 6

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 7

Realtek Bluetooth :hci_download_patch tx_index:8 rx_index: 7

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 8

Realtek Bluetooth :hci_download_patch tx_index:9 rx_index: 8

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 9

Realtek Bluetooth :hci_download_patch tx_index:10 rx_index: 9

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 10

Realtek Bluetooth :hci_download_patch tx_index:11 rx_index: 10

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 11

Realtek Bluetooth :hci_download_patch tx_index:12 rx_index: 11

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 12

Realtek Bluetooth :hci_download_patch tx_index:13 rx_index: 12

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 13

Realtek Bluetooth :hci_download_patch tx_index:14 rx_index: 13

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 14

Realtek Bluetooth :hci_download_patch tx_index:15 rx_index: 14

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 15

Realtek Bluetooth :hci_download_patch tx_index:16 rx_index: 15

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 16

Realtek Bluetooth :hci_download_patch tx_index:17 rx_index: 16

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 17

Realtek Bluetooth :hci_download_patch tx_index:18 rx_index: 17

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 18

Realtek Bluetooth :hci_download_patch tx_index:19 rx_index: 18

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 19

Realtek Bluetooth :hci_download_patch tx_index:20 rx_index: 19

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 20

Realtek Bluetooth :hci_download_patch tx_index:21 rx_index: 20

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 21

Realtek Bluetooth :hci_download_patch tx_index:22 rx_index: 21

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 22

Realtek Bluetooth :hci_download_patch tx_index:23 rx_index: 22

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 23

Realtek Bluetooth :hci_download_patch tx_index:24 rx_index: 23

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 24

Realtek Bluetooth :hci_download_patch tx_index:25 rx_index: 24

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 25

Realtek Bluetooth :hci_download_patch tx_index:26 rx_index: 25

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 26

Realtek Bluetooth :hci_download_patch tx_index:27 rx_index: 26

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 27

Realtek Bluetooth :hci_download_patch tx_index:28 rx_index: 27

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 28

Realtek Bluetooth :hci_download_patch tx_index:29 rx_index: 28

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 29

Realtek Bluetooth :hci_download_patch tx_index:30 rx_index: 29

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 30

Realtek Bluetooth :hci_download_patch tx_index:31 rx_index: 30

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 31

Realtek Bluetooth :hci_download_patch tx_index:32 rx_index: 31

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 32

Realtek Bluetooth :hci_download_patch tx_index:33 rx_index: 32

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 33

Realtek Bluetooth :hci_download_patch tx_index:34 rx_index: 33

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 34

Realtek Bluetooth :hci_download_patch tx_index:35 rx_index: 34

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 35

Realtek Bluetooth :hci_download_patch tx_index:36 rx_index: 35

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 36

Realtek Bluetooth :hci_download_patch tx_index:37 rx_index: 36

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 37

Realtek Bluetooth :hci_download_patch tx_index:38 rx_index: 37

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 38

Realtek Bluetooth :hci_download_patch tx_index:39 rx_index: 38

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 39

Realtek Bluetooth :hci_download_patch tx_index:40 rx_index: 39

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 40

Realtek Bluetooth :hci_download_patch tx_index:41 rx_index: 40

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 41

Realtek Bluetooth :hci_download_patch tx_index:42 rx_index: 41

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 42

Realtek Bluetooth :hci_download_patch tx_index:43 rx_index: 42

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 43

Realtek Bluetooth :hci_download_patch tx_index:44 rx_index: 43

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 44

Realtek Bluetooth :hci_download_patch tx_index:45 rx_index: 44

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 45

Realtek Bluetooth :hci_download_patch tx_index:46 rx_index: 45

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 46

Realtek Bluetooth :hci_download_patch tx_index:47 rx_index: 46

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 47

Realtek Bluetooth :hci_download_patch tx_index:48 rx_index: 47

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 48

Realtek Bluetooth :hci_download_patch tx_index:49 rx_index: 48

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 49

Realtek Bluetooth :hci_download_patch tx_index:50 rx_index: 49

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 50

Realtek Bluetooth :hci_download_patch tx_index:51 rx_index: 50

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 51

Realtek Bluetooth :hci_download_patch tx_index:52 rx_index: 51

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 52

Realtek Bluetooth :hci_download_patch tx_index:53 rx_index: 52

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 53

Realtek Bluetooth :hci_download_patch tx_index:54 rx_index: 53

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 54

Realtek Bluetooth :hci_download_patch tx_index:55 rx_index: 54

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 55

Realtek Bluetooth :hci_download_patch tx_index:56 rx_index: 55

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 56

Realtek Bluetooth :hci_download_patch tx_index:57 rx_index: 56

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 57

Realtek Bluetooth :hci_download_patch tx_index:58 rx_index: 57

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 58

Realtek Bluetooth :hci_download_patch tx_index:59 rx_index: 58

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 59

Realtek Bluetooth :hci_download_patch tx_index:60 rx_index: 59

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 60

Realtek Bluetooth :hci_download_patch tx_index:61 rx_index: 60

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 61

Realtek Bluetooth :hci_download_patch tx_index:62 rx_index: 61

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 62

Realtek Bluetooth :hci_download_patch tx_index:63 rx_index: 62

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 63

Realtek Bluetooth :hci_download_patch tx_index:64 rx_index: 63

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 64

Realtek Bluetooth :hci_download_patch tx_index:65 rx_index: 64

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 65

Realtek Bluetooth :hci_download_patch tx_index:66 rx_index: 65

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 66

Realtek Bluetooth :hci_download_patch tx_index:67 rx_index: 66

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 67

Realtek Bluetooth :hci_download_patch tx_index:68 rx_index: 67

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 68

Realtek Bluetooth :hci_download_patch tx_index:69 rx_index: 68

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 69

Realtek Bluetooth :hci_download_patch tx_index:70 rx_index: 69

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 70

Realtek Bluetooth :hci_download_patch tx_index:71 rx_index: 70

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 71

Realtek Bluetooth :hci_download_patch tx_index:72 rx_index: 71

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 72

Realtek Bluetooth :hci_download_patch tx_index:73 rx_index: 72

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 73

Realtek Bluetooth :hci_download_patch tx_index:74 rx_index: 73

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 74

Realtek Bluetooth :hci_download_patch tx_index:75 rx_index: 74

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 75

Realtek Bluetooth :hci_download_patch tx_index:76 rx_index: 75

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 76

Realtek Bluetooth :hci_download_patch tx_index:77 rx_index: 76

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 77

Realtek Bluetooth :hci_download_patch tx_index:78 rx_index: 77

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 78

Realtek Bluetooth :hci_download_patch tx_index:79 rx_index: 78

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 79

Realtek Bluetooth :hci_download_patch tx_index:80 rx_index: 79

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 80

Realtek Bluetooth :hci_download_patch tx_index:81 rx_index: 80

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 81

Realtek Bluetooth :hci_download_patch tx_index:82 rx_index: 81

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 82

Realtek Bluetooth :hci_download_patch tx_index:83 rx_index: 82

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 83

Realtek Bluetooth :hci_download_patch tx_index:84 rx_index: 83

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 84

Realtek Bluetooth :hci_download_patch tx_index:85 rx_index: 84

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 85

Realtek Bluetooth :hci_download_patch tx_index:86 rx_index: 85

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 86

Realtek Bluetooth :hci_download_patch tx_index:87 rx_index: 86

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 87

Realtek Bluetooth :hci_download_patch tx_index:88 rx_index: 87

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 88

Realtek Bluetooth :hci_download_patch tx_index:89 rx_index: 88

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 89

Realtek Bluetooth :hci_download_patch tx_index:90 rx_index: 89

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 90

Realtek Bluetooth :hci_download_patch tx_index:91 rx_index: 90

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 91

Realtek Bluetooth :hci_download_patch tx_index:92 rx_index: 91

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 92

Realtek Bluetooth :hci_download_patch tx_index:93 rx_index: 92

Realtek Bluetooth :Received reliable seqno 0 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 93

Realtek Bluetooth :hci_download_patch tx_index:94 rx_index: 93

Realtek Bluetooth :Received reliable seqno 1 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 94

Realtek Bluetooth :hci_download_patch tx_index:95 rx_index: 94

Realtek Bluetooth :Received reliable seqno 2 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 95

Realtek Bluetooth :hci_download_patch tx_index:96 rx_index: 95

Realtek Bluetooth :Received reliable seqno 3 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 96

Realtek Bluetooth :hci_download_patch tx_index:97 rx_index: 96

Realtek Bluetooth :Received reliable seqno 4 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 97

Realtek Bluetooth :hci_download_patch tx_index:98 rx_index: 97

Realtek Bluetooth :Received reliable seqno 5 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 98

Realtek Bluetooth :hci_download_patch tx_index:99 rx_index: 98

Realtek Bluetooth :Received reliable seqno 6 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 99

Realtek Bluetooth :Send FW last command Realtek Bluetooth :hci_download_patch tx_index:100 rx_index: 99

Realtek Bluetooth :Received reliable seqno 7 from card Realtek Bluetooth :rtk_hw_cfg.rx_index 100

Realtek Bluetooth :Init Process finished Can't set device: Protocol not supported Can't initialize device: Protocol not supported