linux-kernel - Re: [PATCH v2] tty/serial: atmel: fix out of range clock divider handling

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Message-ID: <20191213160726.GB2632926@kroah.com>
Date:   Fri, 13 Dec 2019 17:07:26 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     David Engraf <david.engraf@...go.com>
Cc:     richard.genoud@...il.com, jslaby@...e.com,
        nicolas.ferre@...rochip.com, alexandre.belloni@...tlin.com,
        ludovic.desroches@...rochip.com, linux-serial@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] tty/serial: atmel: fix out of range clock divider
 handling

On Fri, Dec 13, 2019 at 03:03:01PM +0100, David Engraf wrote:
> Use MCK_DIV8 when the clock divider is > 65535. Unfortunately the mode
> register was already written thus the clock selection is ignored.
> 
> Fix by doing the baud rate calulation before setting the mode.
> 
> Fixes: 5bf5635ac170 ("tty/serial: atmel: add fractional baud rate support")
> Signed-off-by: David Engraf <david.engraf@...go.com>
> ---
>  drivers/tty/serial/atmel_serial.c | 43 ++++++++++++++++---------------
>  1 file changed, 22 insertions(+), 21 deletions(-)

What changed from v1?

Always put that below the --- line.

v3 please?

thanks,

greg k-h