linux-kernel - Re: [PATCH v2] iommu/amd: Set AMD iommu callbacks for platform bus driver

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Message-ID: <20160615100047.GA26566@8bytes.org>
Date:	Wed, 15 Jun 2016 12:00:48 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	Wan Zongshun <vincent.wan@....com>
Cc:	iommu@...ts.linux-foundation.org, vw@...mu.org,
	mcuos.com@...il.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] iommu/amd: Set AMD iommu callbacks for platform bus
 driver

On Tue, May 10, 2016 at 09:21:01AM -0400, Wan Zongshun wrote:
> From: Wan Zongshun <Vincent.Wan@....com>
> 
> AMD has more drivers will use ACPI to platform bus driver later,
> all those devices need iommu support, for example: eMMC driver.
> 
> For latest AMD eMMC controller, it will utilize sdhci-acpi.c driver,
> which will rely on platform bus to match device and driver, where we
> will set 'dev' of struct platform_device as map_sg parameter passing
> to iommu driver for DMA request, so the iommu-ops are needed on the
> platform bus.
> 
> Signed-off-by: Wan Zongshun <Vincent.Wan@....com>

Applied, thanks.