linux-kernel - Re: [PATCH 4/8 v3] i2c: i801: check and return errors during byte-by-byte transfers

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Date:	Thu, 28 Jun 2012 09:08:28 +0200
From:	Jean Delvare <khali@...ux-fr.org>
To:	Daniel Kurtz <djkurtz@...omium.org>
Cc:	Ben Dooks <ben-linux@...ff.org>,
	Wolfram Sang <w.sang@...gutronix.de>,
	Seth Heasley <seth.heasley@...el.com>,
	Olof Johansson <olof@...om.net>,
	Benson Leung <bleung@...omium.org>, linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/8 v3] i2c: i801: check and return errors during 
 byte-by-byte transfers

On Thu, 28 Jun 2012 11:46:28 +0800, Daniel Kurtz wrote:
> On Thu, Jun 28, 2012 at 12:51 AM, Jean Delvare <khali@...ux-fr.org> wrote:
> > On Wed, 27 Jun 2012 21:54:11 +0800, Daniel Kurtz wrote:
> >> If an error is detected in the polling loop, abort the transaction and
> >> return an error code.
> >>
> >>  * DEV_ERR is set if the device does not respond with an acknowledge, and
> >> the SMBus controller times out (minimum 25ms).
> >>  * BUS_ERR is set if a bus arbitration collision is detected.  In other
> >> words, when the SMBus controller tries to generate a START condition, but
> >> detects that the SMBDATA is being held low, usually by another SMBus/I2C
> >> master.
> >>  * FAILED is only set if a the transaction is set by software (using the
> >> SMBHSTCNT KILL bit).
> 
> That was supposed to say:
> 
>  * FAILED is only set if a transaction is stopped by software (using
> the SMBHSTCNT KILL bit).

Changed, thanks!

> > Not quite sure what you mean with "set by software". Other than this,
> > patch looks good, applied, thanks.
> 
> Applied where?
> I'd like to send a rebased patchset onto whatever you have already staged.

http://khali.linux-fr.org/devel/linux-3/jdelvare-i2c/

-- 
Jean Delvare
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