linux-kernel - Re: [PATCH V4 1/9] i2c: xiic: Add standard mode support for

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Message-ID: <Y903xcqw6DXnrvbS@shikoro>
Date:   Fri, 3 Feb 2023 17:35:17 +0100
From:   Wolfram Sang <wsa@...nel.org>
To:     Manikanta Guntupalli <manikanta.guntupalli@....com>
Cc:     michal.simek@...inx.com, michal.simek@....com,
        devicetree@...r.kernel.org, andrew@...n.ch, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org,
        linux-arm-kernel@...ts.infradead.org, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, git@....com, srinivas.goud@....com,
        shubhrajyoti.datta@....com, manion05gk@...il.com,
        Raviteja Narayanam <raviteja.narayanam@...inx.com>
Subject: Re: [PATCH V4 1/9] i2c: xiic: Add standard mode support for > 255
 byte

On Thu, Feb 02, 2023 at 03:11:30PM +0530, Manikanta Guntupalli wrote:
> From: Raviteja Narayanam <raviteja.narayanam@...inx.com>
> 
> read transfers
> 
> Added standard mode for AXI I2C controller to enable read transfers
> of size more than 255 bytes. The driver selects standard mode in the
> following scenarios.
> 
> 1. If a single message request comes from user space, requesting a
> read of more than 255 bytes
> 
> 2. If a message set request comes from user space consisting of many
> messages and if any one of them is a read operation, irrespective
> of the size of transfer. (This is done because it is observed that
> repeated start operation is not happening in dynamic mode read as
> expected in a message set request from user space.)
> 
> Signed-off-by: Raviteja Narayanam <raviteja.narayanam@...inx.com>
> Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@....com>
> Acked-by: Michal Simek <michal.simek@....com>

Applied to for-next, thanks!


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