linux-kernel - Re: [PATCH 1/2] drivers: provide devm_platform_ioremap

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Message-ID: <CACRpkdY43ojBZ1NUyvc0X8+3tc3=jhv4S2oJX2v-88TgrKxQqg@mail.gmail.com>
Date:   Wed, 20 Feb 2019 10:57:03 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Bartosz Golaszewski <brgl@...ev.pl>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Keerthy <j-keerthy@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH 1/2] drivers: provide devm_platform_ioremap_resource()

On Fri, Feb 15, 2019 at 4:25 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:

> From: Bartosz Golaszewski <bgolaszewski@...libre.com>
>
> There are currently 1200+ instances of using platform_get_resource()
> and devm_ioremap_resource() together in the kernel tree.
>
> This patch wraps these two calls in a single helper. Thanks to that
> we don't have to declare a local variable for struct resource * and can
> omit the redundant argument for resource type. We also have one
> function call less.
>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>

This makes a lot of sense. I think Andy can confirm the value, he
knows a lot about good helpers.

I'd need Greg's ACK on this before merging through GPIO.

Can we make a script or coccinelle thing to fix them all when this
is applied?

Yours,
Linus Walleij