Re: 8250.c less than 2400 baud fix.

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, Apr 25, 2012 at 02:26:36PM +0200, Christian Melki wrote:
> Hi.
> 
> We noticed that we were loosing data at speed less than 2400 baud.
> It turned out our (TI16750 compatible) uart with 64 byte outgoing fifo was truncated to 16 byte (bit 5 sets fifo len) when modifying the fcr reg.
> The input code still fills the buffer with 64 bytes if I remember correctly and thus data is lost.
> Our fix was to remove whiping of the fcr content and just add the TRIGGER_1 which we want for latency.
> I can't see why this would not work on less than 2400 always, for all uarts...
> Otherwise one would have to make sure the filling of the fifo re-checks the current state of available fifo size (urrk).

Thank you for your fix, but could you take a look at the file,
Documentation/SubmittingPatches and resend it with a Signed-off-by: line
so that I am able to apply the patch?

thanks,

greg k-h