[PATCH 3/3] Bluetooth: hci_bcm: Ignore deprecated command fail case
From: Amitesh Chandra <hidden>
Date: 2020-10-14 08:14:52
From: Manoj Babulal <redacted> Broadcom VSC uart_clock_setting is deprecated in newer controllers. Ignore error if the controller returns invalid or bad request error code. Signed-off-by: Amitesh Chandra <redacted> Signed-off-by: Manoj Babulal <redacted> --- drivers/bluetooth/hci_bcm.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c
index 680478f..d316788 100644
--- a/drivers/bluetooth/hci_bcm.c
+++ b/drivers/bluetooth/hci_bcm.c@@ -158,15 +158,18 @@ static int bcm_set_baudrate(struct hci_uart *hu, unsigned int speed) skb = __hci_cmd_sync(hdev, 0xfc45, 1, &clock, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { int err = PTR_ERR(skb); - bt_dev_err(hdev, "BCM: failed to write clock (%d)", - err); - return err; + /* Ignore err if command is deprecated in controller */ + if (err != -EBADRQC) { + bt_dev_err(hdev, "BCM: failed to write " + "clock (%d)", err); + return err; + } + } else { + kfree_skb(skb); } - - kfree_skb(skb); } - bt_dev_dbg(hdev, "Set Controller UART speed to %d bit/s", speed); + bt_dev_info(hdev, "Set Controller UART speed to %d bit/s", speed); param.zero = cpu_to_le16(0); param.baud_rate = cpu_to_le32(speed);
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2.7.4