From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Raphael Assenat <raph@8d.com>
Cc: linux-serial@vger.kernel.org
Subject: Re: [PATCH] 8250: Add new UART type SC16C550
Date: Thu, 12 Jul 2012 09:59:19 +0100 [thread overview]
Message-ID: <20120712095919.0d05f00f@pyramind.ukuu.org.uk> (raw)
In-Reply-To: <20120711195453.GC4260@8d.com>
On Wed, 11 Jul 2012 15:54:53 -0400
Raphael Assenat <raph@8d.com> wrote:
> The NXP SC16C550 has a 16 Byte FIFO and support Automatic Flow Control,
> enabled by setting bit 5 of MCR (a.k.a. AFE).
>
> This patch adds a new 8250 port type (PORT_SC16C550) to support
> this chip correcly. Should also work for TI TL16550C/D.
>
> Tested on a custom OMAP board with an SC16C554 (quad uart) attached
> to the GPMC. We experienced receive overruns when not using AFE.
>
> Signed-off-by: Raphael Assenat <raph@8d.com>
Looks fine and ready to go in as and when patches for the mainline kernel
that actually use it go in (ie submit it with the board support once you
get that far)
Alan
prev parent reply other threads:[~2012-07-12 8:55 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-11 19:54 [PATCH] 8250: Add new UART type SC16C550 Raphael Assenat
2012-07-12 8:59 ` Alan Cox [this message]
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