Re: [patch 3/3] i2c: add support for i2c bus on Freescale CPM1/CPM2 controllers

[Ben Dooks <ben-linux-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org>]

On Mon, Jun 02, 2008 at 09:08:50AM +0200, Jean Delvare wrote:
> Hi Ben,
> 
> On Sun, 1 Jun 2008 23:24:28 +0100, Ben Dooks wrote:
> > On Mon, May 19, 2008 at 06:49:07PM +0200, Jean Delvare wrote:
> > > Oh, BTW, nacks should be reported with -ENXIO according to:
> > > http://khali.linux-fr.org/devel/linux-2.6/jdelvare-i2c/i2c-document-standard-fault-codes.patch
> > > It might be worth checking that this new driver complies with these
> > > freshly adopted error codes standard.
> > 
> > Hmm, where ECONREFUSED or EPIPE (if NAK in already selected device)
> > entertained?

[snip]

> As for the error code, it doesn't matter that much I think, as long as
> it is consistent. We've settled for ENXIO and I wouldn't change this
> now without a very good reason.

Sorry, I meant what happens if a NAK is received after the address
part of the i2c_msg has been sent, when sending the msg data? Is this
a case for an error like EPIPE, ENOLINK or EREMOTEIO?

-- 
Ben (ben-elnMNo+KYs3YtjvyW6yDsg@public.gmane.org, http://www.fluff.org/)

  'a smiley only costs 4 bytes'

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