linux-kernel - Re: [PATCH v3 6/6] tty/serial: atmel: changed the driver to work under at91-usart mfd

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Date:   Mon, 14 May 2018 19:56:47 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Richard Genoud <richard.genoud@...il.com>
Cc:     Radu Pirea <radu.pirea@...rochip.com>,
        devicetree <devicetree@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Lee Jones <lee.jones@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>, alexandre.belloni@...tlin.com,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH v3 6/6] tty/serial: atmel: changed the driver to work
 under at91-usart mfd

On Mon, May 14, 2018 at 1:57 PM, Richard Genoud
<richard.genoud@...il.com> wrote:
> On 11/05/2018 12:38, Radu Pirea wrote:
>> This patch modifies the place where resources and device tree properties
>> are searched.

> I think it may be simpler with something like:

> +       int size = mfd_pdev->resource[0].end - mfd_pdev->resource[0].start + 1;

Isn't resource_size() macro for this very purpose?

>> +     int size = to_platform_device(pdev->dev.parent)->resource[0].end -
>> +             to_platform_device(pdev->dev.parent)->resource[0].start + 1;
>>
> ditto

Ditto.

-- 
With Best Regards,
Andy Shevchenko