linux-kernel - Re: [PATCH v3] Add SPI over GPIO driver

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Date:	Sun, 19 Oct 2008 21:16:51 -0700
From:	David Brownell <david-b@...bell.net>
To:	"Magnus Damm" <magnus.damm@...il.com>
Cc:	"Piotr Skamruk" <piotr.skamruk@...il.com>,
	"Michael Buesch" <mb@...sch.de>,
	"Andrew Morton" <akpm@...ux-foundation.org>,
	"Stephen Rothwell" <sfr@...b.auug.org.au>,
	"linux-kernel" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] Add SPI over GPIO driver

On Sunday 19 October 2008, Magnus Damm wrote:
> >
> > I fully support the idea of SPI over GPIO.  It's just that
> > particular patch which is problematic.
> 
> Ok, let's fix those issues then!

The issues I identified earlier still haven't been resolved...
one of several reasons IMO to just use a different driver.


> > I'm sanity testing a refresh of the *original* late-2006
> > SPI-over-GPIO driver.  It's actually usable as a drop-in
> > replacement for a "native" driver.
> 
> The Openwrt driver by Michael Buesch works just fine for me, but if
> you prefer to switch driver that's of course ok too.
> 
> > Unfortunately I goofed and pulled down the current GIT tree
> > and found lots of unrelated breakage (non-SPI) that's keept
> > that sanity test from proceeding apace.  And the board on
> > which it's most recently been used is currently broken.
> > I may just send that patch out soon, as an FYI...
> 
> Please CC me and I'll test it on some SuperH boards. Thanks!

Patch follows in a separate message, with trimmed CC list.

- Dave


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