diff options
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/hci_bcm.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/bluetooth/hci_bcm.c b/drivers/bluetooth/hci_bcm.c index 2b6c0e1922cb..4a3ef844df5d 100644 --- a/drivers/bluetooth/hci_bcm.c +++ b/drivers/bluetooth/hci_bcm.c @@ -55,12 +55,14 @@ * @drive_rts_on_open: drive RTS signal on ->open() when platform requires it * @no_uart_clock_set: UART clock set command for >3Mbps mode is unavailable * @max_autobaud_speed: max baudrate supported by device in autobaud mode + * @max_speed: max baudrate supported */ struct bcm_device_data { bool no_early_set_baudrate; bool drive_rts_on_open; bool no_uart_clock_set; u32 max_autobaud_speed; + u32 max_speed; }; /** @@ -1300,6 +1302,12 @@ static const struct hci_uart_proto bcm_proto = { }; #ifdef CONFIG_ACPI + +/* bcm43430a0/a1 BT does not support 48MHz UART clock, limit to 2000000 baud */ +static struct bcm_device_data bcm43430_device_data = { + .max_speed = 2000000, +}; + static const struct acpi_device_id bcm_acpi_match[] = { { "BCM2E00" }, { "BCM2E01" }, @@ -1414,19 +1422,19 @@ static const struct acpi_device_id bcm_acpi_match[] = { { "BCM2E71" }, { "BCM2E72" }, { "BCM2E73" }, - { "BCM2E74" }, - { "BCM2E75" }, + { "BCM2E74", (long)&bcm43430_device_data }, + { "BCM2E75", (long)&bcm43430_device_data }, { "BCM2E76" }, { "BCM2E77" }, { "BCM2E78" }, { "BCM2E79" }, { "BCM2E7A" }, - { "BCM2E7B" }, + { "BCM2E7B", (long)&bcm43430_device_data }, { "BCM2E7C" }, { "BCM2E7D" }, { "BCM2E7E" }, { "BCM2E7F" }, - { "BCM2E80" }, + { "BCM2E80", (long)&bcm43430_device_data }, { "BCM2E81" }, { "BCM2E82" }, { "BCM2E83" }, @@ -1435,7 +1443,7 @@ static const struct acpi_device_id bcm_acpi_match[] = { { "BCM2E86" }, { "BCM2E87" }, { "BCM2E88" }, - { "BCM2E89" }, + { "BCM2E89", (long)&bcm43430_device_data }, { "BCM2E8A" }, { "BCM2E8B" }, { "BCM2E8C" }, @@ -1444,29 +1452,30 @@ static const struct acpi_device_id bcm_acpi_match[] = { { "BCM2E90" }, { "BCM2E92" }, { "BCM2E93" }, - { "BCM2E94" }, + { "BCM2E94", (long)&bcm43430_device_data }, { "BCM2E95" }, { "BCM2E96" }, { "BCM2E97" }, { "BCM2E98" }, - { "BCM2E99" }, + { "BCM2E99", (long)&bcm43430_device_data }, { "BCM2E9A" }, - { "BCM2E9B" }, + { "BCM2E9B", (long)&bcm43430_device_data }, { "BCM2E9C" }, { "BCM2E9D" }, + { "BCM2E9F", (long)&bcm43430_device_data }, { "BCM2EA0" }, { "BCM2EA1" }, - { "BCM2EA2" }, - { "BCM2EA3" }, + { "BCM2EA2", (long)&bcm43430_device_data }, + { "BCM2EA3", (long)&bcm43430_device_data }, { "BCM2EA4" }, { "BCM2EA5" }, { "BCM2EA6" }, { "BCM2EA7" }, { "BCM2EA8" }, { "BCM2EA9" }, - { "BCM2EAA" }, - { "BCM2EAB" }, - { "BCM2EAC" }, + { "BCM2EAA", (long)&bcm43430_device_data }, + { "BCM2EAB", (long)&bcm43430_device_data }, + { "BCM2EAC", (long)&bcm43430_device_data }, { }, }; MODULE_DEVICE_TABLE(acpi, bcm_acpi_match); @@ -1535,6 +1544,8 @@ static int bcm_serdev_probe(struct serdev_device *serdev) bcmdev->no_early_set_baudrate = data->no_early_set_baudrate; bcmdev->drive_rts_on_open = data->drive_rts_on_open; bcmdev->no_uart_clock_set = data->no_uart_clock_set; + if (data->max_speed && bcmdev->oper_speed > data->max_speed) + bcmdev->oper_speed = data->max_speed; } return hci_uart_register_device(&bcmdev->serdev_hu, &bcm_proto); |