From: Jeff Garzik <jeff@garzik.org>
To: Ralf Baechle <ralf@linux-mips.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mips@linux-mips.org
Subject: Re: [PATCH] IOC3: Program UART predividers.
Date: Fri, 31 Aug 2007 06:53:43 -0400 [thread overview]
Message-ID: <46D7F337.80608@garzik.org> (raw)
In-Reply-To: <20070826175122.GA16430@linux-mips.org>
Ralf Baechle wrote:
> The IOC3 driver's UART detection bits used to rely on the the firmware
> setting the UART pre-divider in a way that's apropriate for the 8250
> driver which doesn't currently program this register. This happens
> to work for the console but not rarely for additional ports.
>
> While at it, also program the UART to RS-232 PIO mode; it the UART might
> have been in mac-serial and/or DMA mode though that hasn't actually been
> observed in practice.
>
> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
applied
prev parent reply other threads:[~2007-08-31 10:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-26 17:51 [PATCH] IOC3: Program UART predividers Ralf Baechle
2007-08-31 10:53 ` Jeff Garzik [this message]
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