linux-kernel - Re: [PATCH v3 0/8] drivers: add new variants of devm_platform_ioremap

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Date:   Mon, 21 Oct 2019 17:52:57 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-doc <linux-doc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Jonathan Corbet <corbet@....net>,
        "Rafael J . Wysocki" <rafael@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH v3 0/8] drivers: add new variants of devm_platform_ioremap_resource()

On Mon, Oct 21, 2019 at 5:04 PM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> niedz., 6 paź 2019 o 07:39 Bartosz Golaszewski <brgl@...ev.pl> napisał(a):
> > From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> > Bartosz Golaszewski (8):
> >   Documentation: devres: add missing entry for
> >     devm_platform_ioremap_resource()
> >   lib: devres: prepare devm_ioremap_resource() for more variants
> >   lib: devres: provide devm_ioremap_resource_wc()
> >   drivers: platform: provide devm_platform_ioremap_resource_wc()
> >   misc: sram: use devm_platform_ioremap_resource_wc()
> >   drivers: provide devm_platform_ioremap_resource_byname()
> >   gpio: mvebu: use devm_platform_ioremap_resource_byname()
> >   gpio: tegra186: use devm_platform_ioremap_resource_byname()
> >
> >  .../driver-api/driver-model/devres.rst        |  4 ++
> >  drivers/base/platform.c                       | 39 +++++++++++-
> >  drivers/gpio/gpio-mvebu.c                     | 19 +++---
> >  drivers/gpio/gpio-tegra186.c                  |  4 +-
> >  drivers/misc/sram.c                           | 28 +++------
> >  include/linux/device.h                        |  2 +
> >  include/linux/platform_device.h               |  6 ++
> >  lib/devres.c                                  | 62 +++++++++++++------
> >  8 files changed, 108 insertions(+), 56 deletions(-)
>
> Greg, Arnd,
>
> gentle ping for this. I noticed that some maintainers are complaining
> about being spammed with patches converting old drivers to using
> devm_platform_ioremap_resource() and there's even a patch removing the
> relevant coccinelle script on the list, but I think for new drivers
> these are still useful. Do you want to pick them up for v5.5 (or at
> all)?

I think this series is useful and we should merge it. Are there any
remaining dependencies or conflicts with Christoph Hellwig's recent
__ioremap rework? If there are, I would prioritize his work and maybe
delay this one by another merge window, otherwise please add
my Reviewed-by to all patches and resend them for Greg to pick
up (provided he has no objections).

        Arnd