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Date: Fri, 19 Jun 2009 13:45:46 +0200
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Subject: Re: [PATCH -mm][POWERPC] mpc8xxx : allow SPI without cs.
From: Leon Woestenberg <leon.woestenberg@gmail.com>
To: Kumar Gala <galak@kernel.crashing.org>
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Cc: spi-devel-general@lists.sourceforge.net, Rini van Zetten <rini@arvoo.nl>,
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Hello,

On Thu, Jun 18, 2009 at 4:04 PM, Kumar Gala<galak@kernel.crashing.org> wrot=
e:
> On Jun 18, 2009, at 8:09 AM, Anton Vorontsov wrote:
>> On Thu, Jun 18, 2009 at 08:19:44AM +0200, Rini van Zetten wrote:
>>>
>>> This patch adds the possibility to have a spi device without a cs.
>>>
> That is a good question. =A0What HW is this for (I don't think its for eS=
PI
> but I could be wrong).
>
We need SPI without CS too on our MPC8313E design.

In our case having a CS line to each slave (18 of them) is too
expensive and we use a chip select which piggy backs on another
signal.
Once the slave is selected, SPI is used to send large amounts of data.

Regards,
--=20
Leon