linux-kernel - Re: [PATCH v6 5/6] i2c: Add Actions Semiconductor Owl family S900 I2C driver

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Message-ID: <CAHp75Vf+SLQERDhDGRE-J_hmWwniiHN0FALbaBQjBY4GRNV_Fw@mail.gmail.com>
Date:   Mon, 23 Jul 2018 10:24:58 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Peter Rosin <peda@...ntia.se>
Cc:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        Rob Herring <robh+dt@...nel.org>,
        Andreas Färber <afaerber@...e.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        刘炜 <liuwei@...ions-semi.com>,
        mp-cs@...ions-semi.com, 96boards@...obotics.com,
        devicetree <devicetree@...r.kernel.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        amit.kucheria@...aro.org,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        hzhang@...obotics.com, bdong@...obotics.com,
        Mani Sadhasivam <manivannanece23@...il.com>,
        Thomas Liau <thomas.liau@...ions-semi.com>,
        jeff.chen@...ions-semi.com
Subject: Re: [PATCH v6 5/6] i2c: Add Actions Semiconductor Owl family S900 I2C driver

On Mon, Jul 23, 2018 at 9:12 AM, Peter Rosin <peda@...ntia.se> wrote:
> On 2018-07-23 05:40, Manivannan Sadhasivam wrote:
>> +             /* Handle the remaining bytes which were not sent */
>> +             while (!(readl(i2c_dev->base + OWL_I2C_REG_FIFOSTAT) &
>> +                    OWL_I2C_FIFOSTAT_TFF) && i2c_dev->msg_ptr < msg->len) {
>
> You moved the OWL_ line to the left instead of right, so this is still
> misaligned and thus not helping the reader.

Guys, wouldn't be better to


while (i2c_dev->msg_ptr < msg->len) {
 u32 fifostat = readl();

 if (!(fifostat & ...))
 break;
...
}

?

Same for the other branch.

Yes, it's more LOCs, but less bikeshedding,

-- 
With Best Regards,
Andy Shevchenko