linux-kernel - Re: [PATCH v3 02/17] ARM64 / ACPI: Get RSDP and ACPI boot-time tables

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Message-Id: <20140910213757.C7B8CC40E5E@trevor.secretlab.ca>
Date:	Wed, 10 Sep 2014 22:37:57 +0100
From:	Grant Likely <grant.likely@...aro.org>
To:	Catalin Marinas <catalin.marinas@....com>,
	"hanjun.guo@...aro.org" <hanjun.guo@...aro.org>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Mark Rutland <Mark.Rutland@....com>,
	Olof Johansson <olof@...om.net>,
	"graeme.gregory@...aro.org" <graeme.gregory@...aro.org>,
	Arnd Bergmann <arnd@...db.de>,
	Sudeep Holla <Sudeep.Holla@....com>,
	Will Deacon <Will.Deacon@....com>,
	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <Marc.Zyngier@....com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>,
	Robert Richter <rric@...nel.org>,
	Lv Zheng <lv.zheng@...el.com>,
	Robert Moore <robert.moore@...el.com>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Liviu Dudau <Liviu.Dudau@....com>,
	Randy Dunlap <rdunlap@...radead.org>,
	Charles Garcia-Tobin <Charles.Garcia-Tobin@....com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linaro-acpi@...ts.linaro.org" <linaro-acpi@...ts.linaro.org>,
	Al Stone <al.stone@...aro.org>,
	Tomasz Nowicki <tomasz.nowicki@...aro.org>
Subject: Re: [PATCH v3 02/17] ARM64 / ACPI: Get RSDP and ACPI boot-time
 tables

On Tue, 9 Sep 2014 17:26:49 +0100, Catalin Marinas <catalin.marinas@....com> wrote:
> On Mon, Sep 01, 2014 at 03:57:40PM +0100, Hanjun Guo wrote:
> > diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
> > index c96172a..fb7cc0e 100644
> > --- a/arch/arm64/kernel/setup.c
> > +++ b/arch/arm64/kernel/setup.c
> > @@ -43,6 +43,7 @@
> >  #include <linux/of_fdt.h>
> >  #include <linux/of_platform.h>
> >  #include <linux/efi.h>
> > +#include <linux/acpi.h>
> >  
> >  #include <asm/fixmap.h>
> >  #include <asm/cpu.h>
> > @@ -385,6 +386,9 @@ void __init setup_arch(char **cmdline_p)
> >  	efi_init();
> >  	arm64_memblock_init();
> >  
> > +	/* Parse the ACPI tables for possible boot-time configuration */
> > +	acpi_boot_table_init();
> 
> Is there any dummy acpi_boot_table_init() when !CONFIG_ACPI? I couldn't
> see one in this patch, so I don't see how this would compile when ACPI
> is disabled.

It's in include/linux/acpi.h in the !CONFIG_ACPI section.

g.

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