Hi Marcel, On Wed, Aug 16, 2017, Marcel Holtmann wrote: > Not all Broadcom controller support the 4Mbps operational speed on UART > devices. This is because the UART clock setting changes might not be > supported. > > < HCI Command: Broadcom Write UART Clock Setting (0x3f|0x0045) plen 1 > 01 . > > HCI Event: Command Complete (0x0e) plen 4 > Broadcom Write UART Clock Setting (0x3f|0x0045) ncmd 1 > Status: Unknown HCI Command (0x01) > > To support any operational speed higher than 3Mbps, support for this > command is required. With that respect it is better to not enforce any > operational speed by default. Only when its support is known, then allow > for higher operational speed. > > This patch assigns the 4Mbps opertional speed only for devices > discovered through ACPI and leave all others at the default 115200. > > Signed-off-by: Marcel Holtmann <marcel@xxxxxxxxxxxx> > --- > drivers/bluetooth/hci_bcm.c | 7 +++++-- > 1 file changed, 5 insertions(+), 2 deletions(-) Applied to bluetooth-next. Thanks. Johan -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html