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Date: Mon, 10 Sep 2012 14:10:21 +0100
From: Alan Cox <alan@linux.intel.com>
To: leroy christophe <christophe.leroy@c-s.fr>
Subject: Re: [PATCH] Powerpc 8xx CPM_UART delay in receive
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Cc: Marcelo Tosatti <marcelo@kvack.org>, linux-kernel@vger.kernel.org,
 linux-serial@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
 Alan Cox <alan@lxorguk.ukuu.org.uk>
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> * a value of 1 for all rates below 2400 (On 8250, fifo is set to 1
> for such rates)
> * a value of 2 for 2400 and 4800
> * a value of 4 for 9600 (which is the default on the 8250 for all
> rates above 2400)
> * a value of 8 for 19200
> * a value of 16 for 38400 and above (on UCC_UART, maxidl is set to
> 16, never 32)

That would seem sensible.



Alan