linux-kernel - Re: [patch v11 07/23] ARM64 / ACPI: Introduce PCI stub functions for ACPI

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Date:	Wed, 25 Mar 2015 16:50:31 +0000
From:	Catalin Marinas <catalin.marinas@....com>
To:	Hanjun Guo <hanjun.guo@...aro.org>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Will Deacon <will.deacon@....com>,
	Olof Johansson <olof@...om.net>,
	Grant Likely <grant.likely@...aro.org>,
	Mark Rutland <mark.rutland@....com>,
	Ashwin Chaugule <ashwinc@...eaurora.org>,
	Lorenzo Pieralisi <Lorenzo.Pieralisi@....com>,
	Robert Richter <rric@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Graeme Gregory <graeme.gregory@...aro.org>,
	linaro-acpi@...ts.linaro.org, Marc Zyngier <marc.zyngier@....com>,
	Jon Masters <jcm@...hat.com>,
	Timur Tabi <timur@...eaurora.org>,
	Mark Salter <msalter@...hat.com>,
	Liviu Dudau <Liviu.Dudau@....com>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
	Mark Brown <broonie@...nel.org>,
	Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
	Sudeep Holla <Sudeep.Holla@....com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [patch v11 07/23] ARM64 / ACPI: Introduce PCI stub functions for
 ACPI

On Tue, Mar 24, 2015 at 10:02:40PM +0800, Hanjun Guo wrote:
> CONFIG_ACPI depends CONFIG_PCI on x86 and ia64, in ARM64 server
> world we will have PCIe in most cases, but some of them may not,
> make CONFIG_ACPI depend CONFIG_PCI on ARM64 will satisfy both.
> 
> With that case, we need some arch dependent PCI functions to
> access the config space before the PCI root bridge is created, and
> pci_acpi_scan_root() to create the PCI root bus. So introduce
> some stub function here to make ACPI core compile and revisit
> them later when implemented on ARM64.
> 
> CC: Liviu Dudau <Liviu.Dudau@....com>
> CC: Catalin Marinas <catalin.marinas@....com>
> CC: Will Deacon <will.deacon@....com>
> Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
> Tested-by: Yijing Wang <wangyijing@...wei.com>
> Tested-by: Mark Langsdorf <mlangsdo@...hat.com>
> Tested-by: Jon Masters <jcm@...hat.com>
> Tested-by: Timur Tabi <timur@...eaurora.org>
> Tested-by: Robert Richter <rrichter@...ium.com>
> Acked-by: Robert Richter <rrichter@...ium.com>
> Reviewed-by: Grant Likely <grant.likely@...aro.org>
> Signed-off-by: Hanjun Guo <hanjun.guo@...aro.org>

Acked-by: Catalin Marinas <catalin.marinas@....com>

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