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Date: Thu, 15 Jan 2015 12:46:44 -0600
From: Mark Langsdorf <mlangsdo@redhat.com>
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To: Hanjun Guo <hanjun.guo@linaro.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        "Rafael J. Wysocki" <rjw@rjwysocki.net>,
        Olof Johansson <olof@lixom.net>, Arnd Bergmann <arnd@arndb.de>,
        Mark Rutland <mark.rutland@arm.com>,
        Grant Likely <grant.likely@linaro.org>,
        Will Deacon <will.deacon@arm.com>
CC: Lorenzo Pieralisi <Lorenzo.Pieralisi@arm.com>,
        Graeme Gregory <graeme.gregory@linaro.org>,
        Sudeep Holla <Sudeep.Holla@arm.com>, Jon Masters <jcm@redhat.com>,
        Jason Cooper <jason@lakedaemon.net>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Bjorn Helgaas <bhelgaas@google.com>, Mark Brown <broonie@kernel.org>,
        Rob Herring <robh@kernel.org>, Robert Richter <rric@kernel.org>,
        Randy Dunlap <rdunlap@infradead.org>, Charles.Garcia-Tobin@arm.com,
        phoenix.liyi@huawei.com, Timur Tabi <timur@codeaurora.org>,
        suravee.suthikulpanit@amd.com, wangyijing@huawei.com,
        linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, linaro-acpi@lists.linaro.org
Subject: Re: [PATCH v7 06/17] ARM64 / ACPI: Make PCI optional for ACPI on
 ARM64
References: <1421247905-3749-1-git-send-email-hanjun.guo@linaro.org> <1421247905-3749-7-git-send-email-hanjun.guo@linaro.org>
In-Reply-To: <1421247905-3749-7-git-send-email-hanjun.guo@linaro.org>
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On 01/14/2015 09:04 AM, Hanjun Guo wrote:
> Since PCI is not required in ACPI spec and ARM can run without
> it, introduce some stub functions to make PCI optional for ACPI,
> and make ACPI core run without CONFIG_PCI on ARM64.
>
> When PCI is enabled on ARM64, ACPI core will need some PCI functions
> to make it functional, so introduce some empty functions here and
> implement it later.
>
> Since ACPI on X86 and IA64 depends on PCI and this patch only makes
> PCI optional for ARM64, it will not break anything on X86 and IA64.
>
> Tested-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
> Tested-by: Yijing Wang <wangyijing@huawei.com>
> Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
> ---
Tested-by: Mark Langsdorf <mlangsdo@redhat.com>