linux-kernel - Re: [PATCH v1 1/1] i2c: iproc: Fix i2c master read more than 63 bytes

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Date:   Thu, 1 Aug 2019 14:31:30 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Rayagonda Kokatanur <rayagonda.kokatanur@...adcom.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        Ray Jui <ray.jui@...adcom.com>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH v1 1/1] i2c: iproc: Fix i2c master read more than 63 bytes

On Wed, Jul 24, 2019 at 01:58:27PM +0530, Rayagonda Kokatanur wrote:
> Use SMBUS_MASTER_DATA_READ.MASTER_RD_STATUS bit to check for RX
> FIFO empty condition because SMBUS_MASTER_FIFO_CONTROL.MASTER_RX_PKT_COUNT
> is not updated for read >= 64 bytes. This fixes the issue when trying to
> read from the I2C slave more than 63 bytes.
> 
> Fixes: c24b8d574b7c ("i2c: iproc: Extend I2C read up to 255 bytes")
> 
> Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@...adcom.com>

Applied to for-current, thanks!


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