linux-kernel - Re: [spi-devel-general] [PATCH] atmel

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Message-Id: <20080225.092515.126141645.anemo@mba.ocn.ne.jp>
Date:	Mon, 25 Feb 2008 09:25:15 +0900 (JST)
From:	Atsushi Nemoto <anemo@....ocn.ne.jp>
To:	nforrester@...i.edu
Cc:	david-b@...bell.net, spi-devel-general@...ts.sourceforge.net,
	marc.pignat@...s.ch, linux-kernel@...r.kernel.org
Subject: Re: [spi-devel-general] [PATCH] atmel_spi: support zero length
 transfer

On Fri, 22 Feb 2008 14:36:53 -0500, Ned Forrester <nforrester@...i.edu> wrote:
> Or are you and Atsushi talking about using spi_transfer.delay_usecs
> *with* a zero length transfer to effectively put a delay between the
> assertion of CS and the start of the first clock?  If so, then I guess I
> missed the original point.  Sorry.

Yes.  I want to use zero length transfer with delay_usecs to achieve
CS-CLK delay for my funny device.  And I was too lazy to reject true
nop transfer.

---
Atsushi Nemoto
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