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

Andreas Färber afaerber at suse.de
Sun Jan 15 14:48:36 PST 2017


Am 15.01.2017 um 23:32 schrieb Martin Blumenstingl:
> 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>

Tested-by: Andreas Färber <afaerber at suse.de>

Thanks,
Andreas

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