Re: [PATCH] bluetooth: serdev: hci_ll: Wait for CTS instead of using msleep

[Marcel Holtmann]

Hi David,

> When a TI Bluetooth chip is reset, it takes about 100ms for the RTS line of
> the chip to deassert. For my use case with a TI CC2560A chip, this delay
> was not long enough and caused the local UART to never transmit at all (TI
> AM1808 SoC UART2).
> 
> We can wait for the CTS signal using serdev_device_wait_for_cts() instead
> of trying to guess using msleep().
> 
> Also changed the comment to be more informative while we are touching this
> code.
> 
> Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
> ---
> drivers/bluetooth/hci_ll.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel