Re: [PATCH 09/12] ASoC: Intel: Skylake: Explicitly include linux/io.h for virt_to_phys()

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To: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
Subject: Re: [PATCH 09/12] ASoC: Intel: Skylake: Explicitly include linux/io.h for virt_to_phys()
From: Mark Brown <broonie@xxxxxxxxxx>
Date: Tue, 19 Nov 2019 12:00:53 +0000
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, x86@xxxxxxxxxx, "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx>, Len Brown <len.brown@xxxxxxxxx>, Pavel Machek <pavel@xxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Fenghua Yu <fenghua.yu@xxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>, Mark Rutland <mark.rutland@xxxxxxx>, Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>, Jiri Olsa <jolsa@xxxxxxxxxx>, Namhyung Kim <namhyung@xxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Darren Hart <dvhart@xxxxxxxxxxxxx>, Andy Shevchenko <andy@xxxxxxxxxxxxx>, Nadav Amit <namit@xxxxxxxxxx>, "VMware, Inc." <pv-drivers@xxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Hans de Goede <hdegoede@xxxxxxxxxx>, Cezary Rojewski <cezary.rojewski@xxxxxxxxx>, Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>, Liam Girdwood <liam.r.girdwood@xxxxxxxxxxxxxxx>, Jie Yang <yang.jie@xxxxxxxxxxxxxxx>, Jaroslav Kysela <perex@xxxxxxxx>, Takashi Iwai <tiwai@xxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-pm@xxxxxxxxxxxxxxx, linux-efi@xxxxxxxxxxxxxxx, platform-driver-x86@xxxxxxxxxxxxxxx, linux-acpi@xxxxxxxxxxxxxxx, alsa-devel@xxxxxxxxxxxxxxxx
In-reply-to: <20191119002121.4107-10-sean.j.christopherson@intel.com>
References: <20191119002121.4107-1-sean.j.christopherson@intel.com> <20191119002121.4107-10-sean.j.christopherson@intel.com>
User-agent: Mutt/1.10.1 (2018-07-13)

On Mon, Nov 18, 2019 at 04:21:18PM -0800, Sean Christopherson wrote:
> Through a labyrinthian sequence of includes, usage of virt_to_phys() is
> dependent on the include of asm/io.h in x86's asm/realmode.h, which is
> included in x86's asm/acpi.h and thus by linux/acpi.h.  Explicitly
> include linux/io.h to break the dependency on realmode.h so that a
> future patch can remove the realmode.h include from acpi.h without
> breaking the build.

Acked-by: Mark Brown <broonie@xxxxxxxxxx>

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References:
- [PATCH 00/12] treewide: break dependencies on x86's RM header
  - From: Sean Christopherson
- [PATCH 09/12] ASoC: Intel: Skylake: Explicitly include linux/io.h for virt_to_phys()
  - From: Sean Christopherson

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