linux-kernel - Re: [v6,2/2] i2c: qup: support SMBus block read

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Message-ID: <20161129214626.GA23072@katana>
Date:   Tue, 29 Nov 2016 22:46:26 +0100
From:   Wolfram Sang <wsa-dev@...g-engineering.com>
To:     Austin Christ <austinwc@...eaurora.org>
Cc:     nkaje@...eaurora.org, wsa@...-dreams.de, linux-i2c@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        rruigrok@...eaurora.org, timur@...eaurora.org, cov@...eaurora.org,
        sricharan@...eaurora.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [v6,2/2] i2c: qup: support SMBus block read

On Tue, Oct 11, 2016 at 10:27:57AM -0600, Austin Christ wrote:
> From: Naveen Kaje <nkaje@...eaurora.org>
> 
> I2C QUP driver relies on SMBus emulation support from the framework.
> To handle SMBus block reads, the driver should check I2C_M_RECV_LEN
> flag and should read the first byte received as the message length.
> 
> The driver configures the QUP hardware to read one byte. Once the
> message length is known from this byte, the QUP hardware is configured
> to read the rest.
> 
> Signed-off-by: Naveen Kaje <nkaje@...eaurora.org>
> Signed-off-by: Austin Christ <austinwc@...eaurora.org>
> Reviewed-by: Sricharan R <sricharan@...eaurora.org>

Applied to for-next, thanks!


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