linux-kernel - Re: [V4 PATCH 2/6] arm64 : Introduce support for ACPI

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Message-ID: <1431776887.2341.17.camel@x220>
Date:	Sat, 16 May 2015 13:48:07 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>
Cc:	rjw@...ysocki.net, lenb@...nel.org, catalin.marinas@....com,
	will.deacon@....com, bhelgaas@...gle.com, thomas.lendacky@....com,
	herbert@...dor.apana.org.au, davem@...emloft.net, arnd@...db.de,
	msalter@...hat.com, hanjun.guo@...aro.org, al.stone@...aro.org,
	grant.likely@...aro.org, leo.duran@....com,
	linux-arm-kernel@...ts.infradead.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linaro-acpi@...ts.linaro.org,
	netdev@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [V4 PATCH 2/6] arm64 : Introduce support for ACPI _CCA object

Just a nit regarding the commit explanation.

On Fri, 2015-05-15 at 16:23 -0500, Suravee Suthikulpanit wrote:
> From http://www.uefi.org/sites/default/files/resources/ACPI_6.0.pdf,
> section 6.2.17 _CCA states that ARM platforms require ACPI _CCA
> object to be specified for DMA-cabpable devices. This patch introduces
> ACPI_MUST_HAVE_CCA in arm64 Kconfig to specify such requirement.

s/ACPI_MUST_HAVE_CCA/ACPI_CCA_REQUIRED/.

Ie, update the commit explanation to match the change introduced in V2.

> In case _CCA is missing, arm64 would assign dummy_dma_ops
> to disable DMA capability of the device.

Thanks,


Paul Bolle

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