[PATCH 1/4] tty: serial: meson: allow baud-rates higher than 115200

[Kevin Hilman]

Martin Blumenstingl <martin.blumenstingl at googlemail.com> writes:

> The vendor driver allows setting baud-rates higher than 115200 baud.
> There is a check in the vendor driver which prevents using more than
> 115200 baud during startup, however it does not have such a check in
> .set_termios.
> Higher baud-rates are often used by the bluetooth modules embedded into
> the SDIO wifi chips (Amlogic devices use brcmfmac based wifi chips quite
> often, 2000000 baud seems to be a common value for the UART baud-rate in
> Amlogic's "libbt").
>
> I have tested this on a Meson GXL device with uart_A (to which the
> bluetooth module is connected, where initialization times out with
> 115200 baud) and uart_AO (which I manually set to 2000000 baud  and then
> connected with my USB UART adapter to that).
>
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>

Acked-by: Kevin Hilman <khilman at baylibre.com>