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| author | Jonathan Bakker <xc-racer2@live.ca> | 2018-12-19 12:22:28 +0100 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2018-12-19 13:43:42 +0100 |
| commit | 22bba80500fdf624a7cfbb65fdfa97a038ae224d (patch) | |
| tree | aeab02acbd3420901fe34e0d5c1d745c76c63f6d /drivers/bluetooth/hci_bcm.c | |
| parent | e3ca60d06cf37ea57d77eb834dca418f9c2dea81 (diff) | |
| download | linux-22bba80500fdf624a7cfbb65fdfa97a038ae224d.tar.gz linux-22bba80500fdf624a7cfbb65fdfa97a038ae224d.tar.bz2 linux-22bba80500fdf624a7cfbb65fdfa97a038ae224d.zip | |
Bluetooth: hci_bcm: Handle specific unknown packets after firmware loading
The Broadcom controller on aries S5PV210 boards sends out a couple of
unknown packets after the firmware is loaded. This will cause
logging of errors such as:
Bluetooth: hci0: Frame reassembly failed (-84)
This is probably also the case with other boards, as there are related
Android userspace patches for custom ROMs such as
https://review.lineageos.org/#/c/LineageOS/android_system_bt/+/142721/
Since this appears to be intended behaviour, treated them as diagnostic
packets.
Note that this is another variant of commit 01d5e44ace8a
("Bluetooth: hci_bcm: Handle empty packet after firmware loading")
Signed-off-by: Jonathan Bakker <xc-racer2@live.ca>
Signed-off-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/hci_bcm.c')
| -rw-r--r-- | drivers/bluetooth/hci_bcm.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index a5cb580a07de..ddbe518c3e5b 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -52,6 +52,12 @@ #define BCM_LM_DIAG_PKT 0x07 #define BCM_LM_DIAG_SIZE 63 +#define BCM_TYPE49_PKT 0x31 +#define BCM_TYPE49_SIZE 0 + +#define BCM_TYPE52_PKT 0x34 +#define BCM_TYPE52_SIZE 0 + #define BCM_AUTOSUSPEND_DELAY 5000 /* default autosleep delay */ #define BCM_NUM_SUPPLIES 2 @@ -595,12 +601,28 @@ finalize: .lsize = 0, \ .maxlen = BCM_NULL_SIZE +#define BCM_RECV_TYPE49 \ + .type = BCM_TYPE49_PKT, \ + .hlen = BCM_TYPE49_SIZE, \ + .loff = 0, \ + .lsize = 0, \ + .maxlen = BCM_TYPE49_SIZE + +#define BCM_RECV_TYPE52 \ + .type = BCM_TYPE52_PKT, \ + .hlen = BCM_TYPE52_SIZE, \ + .loff = 0, \ + .lsize = 0, \ + .maxlen = BCM_TYPE52_SIZE + static const struct h4_recv_pkt bcm_recv_pkts[] = { { H4_RECV_ACL, .recv = hci_recv_frame }, { H4_RECV_SCO, .recv = hci_recv_frame }, { H4_RECV_EVENT, .recv = hci_recv_frame }, { BCM_RECV_LM_DIAG, .recv = hci_recv_diag }, { BCM_RECV_NULL, .recv = hci_recv_diag }, + { BCM_RECV_TYPE49, .recv = hci_recv_diag }, + { BCM_RECV_TYPE52, .recv = hci_recv_diag }, }; static int bcm_recv(struct hci_uart *hu, const void *data, int count) |