linux-kernel - Re: [PATCH v1] i2c: busses: convert to devm_platform_get_and_ioremap

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Date:   Sat, 18 Apr 2020 12:06:53 +0800
From:   Dejin Zheng <zhengdejin5@...il.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Wolfram Sang <wsa@...-dreams.de>,
        Michal Simek <michal.simek@...inx.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Pierre Yves MORDRET <pierre-yves.mordret@...com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Alain Volmat <alain.volmat@...com>,
        linux-i2c <linux-i2c@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1] i2c: busses: convert to
 devm_platform_get_and_ioremap_resource

On Fri, Apr 17, 2020 at 11:46:33PM +0300, Andy Shevchenko wrote:
> On Thu, Apr 16, 2020 at 3:19 AM Dejin Zheng <zhengdejin5@...il.com> wrote:
> >
> > On Wed, Apr 15, 2020 at 12:21:58PM +0200, Wolfram Sang wrote:
> > > On Tue, Apr 14, 2020 at 09:48:27PM +0800, Dejin Zheng wrote:
> > > > use devm_platform_get_and_ioremap_resource() to simplify code, which
> > > > contains platform_get_resource() and devm_ioremap_resource(), it also
> > > > get the resource for use by the following code.
> > > >
> > > > Signed-off-by: Dejin Zheng <zhengdejin5@...il.com>
> > >
> > > Applied to for-next, because it seems 'the new way' but...
> > >
> > > > -   r_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> > > > -   id->membase = devm_ioremap_resource(&pdev->dev, r_mem);
> > > > +   id->membase = devm_platform_get_and_ioremap_resource(pdev, 0, &r_mem);
> > >
> > > ... guys, do you really think this one line reduction improves
> > > readability? Oh well...
> > >
> > Wolfram, Thank you for accepting it. From my personal point of view,
> > as long as the direction is correct, even small improvements are
> > worth doing. Thanks again for your tolerance.
> 
> Do you have plans to move on from janitor work to something serious?
>
Andy, I want to do��but I don��t know where to start, Could you give me
some suggestions? Thanks very much!

BR,
Dejin
> -- 
> With Best Regards,
> Andy Shevchenko