linux-kernel - Re: [PATCH] Powerpc 8xx CPM

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Date:	Mon, 10 Sep 2012 14:10:21 +0100
From:	Alan Cox <alan@...ux.intel.com>
To:	leroy christophe <christophe.leroy@....fr>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>,
	Vitaly Bordug <vitb@...nel.crashing.org>,
	Marcelo Tosatti <marcelo@...ck.org>,
	linux-kernel@...r.kernel.org, linux-serial@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH] Powerpc 8xx CPM_UART delay in receive

> * 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
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