linux-kernel - Re: [PATCH v6 0/9] iProc I2C slave mode and NIC mode

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Date:   Wed, 3 Apr 2019 22:44:23 +0200
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Ray Jui <ray.jui@...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,
        Rayagonda Kokatanur <rayagonda.kokatanur@...adcom.com>
Subject: Re: [PATCH v6 0/9] iProc I2C slave mode and NIC mode

On Tue, Apr 02, 2019 at 06:18:21PM -0700, Ray Jui wrote:
> This patch series adds the following support to the iProc I2C driver:
> - Increase maximum read transfer size to 255 bytes
> - I2C slave mode
> - Polling mode
> - NIC I2C mode
> 
> This patch series is based on kernel v5.1-rc3 and available at:
> https://github.com/Broadcom/arm64-linux.git
> branch: i2c-slave-v6
> 
> Changes from v5:
>  - Address various comments from Wolfram

In the future, please write in detail what you changed. I review so many
patches that I can't recall all my comments on every patch.

That being said, all patches applied to for-next, thanks!

Can be fixed incrementally, my code checkers complain about:

    CPPCHECK
drivers/i2c/busses/i2c-bcm-iproc.c:720:14: warning: Shifting signed 32-bit value by 31 bits is undefined behaviour [shiftTooManyBitsSigned]
    val |= 1 << M_TX_WR_STATUS_SHIFT;
             ^
drivers/i2c/busses/i2c-bcm-iproc.c:847:13: warning: Shifting signed 32-bit value by 31 bits is undefined behaviour [shiftTooManyBitsSigned]
 val &= ~(1 << TIM_CFG_MODE_400_SHIFT);
            ^
drivers/i2c/busses/i2c-bcm-iproc.c:998:13: warning: Shifting signed 32-bit value by 31 bits is undefined behaviour [shiftTooManyBitsSigned]
 val &= ~(1 << TIM_CFG_MODE_400_SHIFT);


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