linux-kernel - Re: [PATCH v3] i2c: imx: when being a target, mark the last read as processed

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Message-ID: <ZdZ_PsNhQ9S1Eab-@shikoro>
Date: Wed, 21 Feb 2024 23:54:54 +0100
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: Andi Shyti <andi.shyti@...nel.org>
Cc: linux-i2c@...r.kernel.org, Corey Minyard <minyard@....org>,
	Andrew Manley <andrew.manley@...lingtech.com>,
	Oleksij Rempel <o.rempel@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	NXP Linux Team <linux-imx@....com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] i2c: imx: when being a target, mark the last read as
 processed

On Wed, Feb 21, 2024 at 09:58:23PM +0100, Andi Shyti wrote:
> Hi Wolfram and Corey,
> 
> On Wed, Feb 21, 2024 at 08:27:13PM +0100, Wolfram Sang wrote:
> > From: Corey Minyard <minyard@....org>
> > 
> > When being a target, NAK from the controller means that all bytes have
> > been transferred. So, the last byte needs also to be marked as
> > 'processed'. Otherwise index registers of backends may not increase.
> > 
> > Signed-off-by: Corey Minyard <minyard@....org>
> > Tested-by: Andrew Manley <andrew.manley@...lingtech.com>
> > Reviewed-by: Andrew Manley <andrew.manley@...lingtech.com>
> > Reviewed-by: Oleksij Rempel <o.rempel@...gutronix.de>
> > [wsa: fixed comment and commit message to properly describe the case]
> > Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
> 
> is this a fix?

In deed, it is:

Fixes: f7414cd6923f ("i2c: imx: support slave mode for imx I2C driver")


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