On Mon, Sep 24, 2018 at 12:34:45AM +0200, Rafał Miłecki wrote:
> From: Michal Simek <michal.simek@xxxxxxxxxx>
>
> commit 814453adea7d081ad8917aa0f32d6a14165a3563 upstream.
>
> On DT based platforms when current-speed property is present baudrate
> is setup. Also port->uartclk is initialized to bogus BASE_BAUD * 16
> value. Drivers like uartps/ns16550 contain logic when baudrate and
> uartclk is used for baudrate calculation.
>
> The patch is reading optional clock-frequency property to replace bogus
> BASE_BAUD * 16 calculation to have proper baudrate calculation.
>
> [-stable comment: commit 31cb9a8575ca ("earlycon: initialise baud field
> of earlycon device structure") has changed 8250_early.c behavior which
> now tries to setup UART speed. Ignoring clock-frequency results in
> wrong value of calculated divisor & malformed early console output.]
Thanks for both of these, now queued up.
greg k-h
