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From: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>
To: Varun Sethi <Varun.Sethi-KZfg59tc24xl57MIdRCFDg@public.gmane.org>
Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
	Thierry Reding
	<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Paul Walmsley <pwalmsley-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
	Marc Zyngier <marc.zyngier-5wv7dgnIgG8@public.gmane.org>,
	Dave Martin <Dave.Martin-5wv7dgnIgG8@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
	Ian Campbell
	<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
	Grant Grundler <grundler-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	Allen Martin <amartin-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Cho KyongHo <pullip.cho-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org"
	<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
	Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	Rhyland Klein <rklein>
Subject: Re: [PATCH v3 02/10] devicetree: Add generic IOMMU device tree bindings
Date: Fri, 04 Jul 2014 11:05:01 +0200	[thread overview]
Message-ID: <9506037.pCJq3zRKJU@wuerfel> (raw)
In-Reply-To: <9ffe3c3871ef4b60a955259bfa0bed6c-AZ66ij2kwaacCcN9WK45f+O6mTEJWrR4XA4E9RH9d+qIuWR1G4zioA@public.gmane.org>

On Friday 04 July 2014 06:42:48 Varun Sethi wrote:
> Master node corresponds to the device node, right? Master ID would correspond
> to Stream ID? We are already using "iommu-parent" property to link a device
> to its corresponding IOMMU. We can use the same property instead of using "iommus".

I don't see "iommu-parent" used anywhere, just "fsl,iommu-parent". We can
probably allow "fsl,iommu-parent" as an alias for "iommus" for backwards-
compatibility if that helps you on PowerPC. For ARM, I'd prefer to mandate
that we use just "iommus".

	Arnd

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Varun Sethi <Varun.Sethi@freescale.com>
Cc: Thierry Reding <thierry.reding@gmail.com>,
	Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Stephen Warren <swarren@wwwdotorg.org>,
	Will Deacon <will.deacon@arm.com>, Joerg Roedel <joro@8bytes.org>,
	Olav Haugan <ohaugan@codeaurora.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	Grant Grundler <grundler@chromium.org>,
	Rhyland Klein <rklein@nvidia.com>,
	"iommu@lists.linux-foundation.org"
	<iommu@lists.linux-foundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Marc Zyngier <marc.zyngier@arm.com>,
	Allen Martin <amartin@nvidia.com>,
	Paul Walmsley <pwalmsley@nvidia.com>,
	"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
	Cho KyongHo <pullip.cho@samsung.com>,
	Dave Martin <Dave.Martin@arm.com>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3 02/10] devicetree: Add generic IOMMU device tree bindings
Date: Fri, 04 Jul 2014 11:05:01 +0200	[thread overview]
Message-ID: <9506037.pCJq3zRKJU@wuerfel> (raw)
In-Reply-To: <9ffe3c3871ef4b60a955259bfa0bed6c@BL2PR03MB468.namprd03.prod.outlook.com>

On Friday 04 July 2014 06:42:48 Varun Sethi wrote:
> Master node corresponds to the device node, right? Master ID would correspond
> to Stream ID? We are already using "iommu-parent" property to link a device
> to its corresponding IOMMU. We can use the same property instead of using "iommus".

I don't see "iommu-parent" used anywhere, just "fsl,iommu-parent". We can
probably allow "fsl,iommu-parent" as an alias for "iommus" for backwards-
compatibility if that helps you on PowerPC. For ARM, I'd prefer to mandate
that we use just "iommus".

	Arnd

WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 02/10] devicetree: Add generic IOMMU device tree bindings
Date: Fri, 04 Jul 2014 11:05:01 +0200	[thread overview]
Message-ID: <9506037.pCJq3zRKJU@wuerfel> (raw)
In-Reply-To: <9ffe3c3871ef4b60a955259bfa0bed6c@BL2PR03MB468.namprd03.prod.outlook.com>

On Friday 04 July 2014 06:42:48 Varun Sethi wrote:
> Master node corresponds to the device node, right? Master ID would correspond
> to Stream ID? We are already using "iommu-parent" property to link a device
> to its corresponding IOMMU. We can use the same property instead of using "iommus".

I don't see "iommu-parent" used anywhere, just "fsl,iommu-parent". We can
probably allow "fsl,iommu-parent" as an alias for "iommus" for backwards-
compatibility if that helps you on PowerPC. For ARM, I'd prefer to mandate
that we use just "iommus".

	Arnd

  parent reply	other threads:[~2014-07-04  9:05 UTC|newest]

Thread overview: 133+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-26 20:49 [RFC 00/10] Add NVIDIA Tegra124 IOMMU support Thierry Reding
2014-06-26 20:49 ` Thierry Reding
2014-06-26 20:49 ` Thierry Reding
     [not found] ` <1403815790-8548-1-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-06-26 20:49   ` [RFC 01/10] iommu: Add IOMMU device registry Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49     ` Thierry Reding
     [not found]     ` <1403815790-8548-2-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-06-27  6:58       ` Thierry Reding
2014-06-27  6:58         ` Thierry Reding
2014-06-27  6:58         ` Thierry Reding
2014-07-03 10:37         ` Varun Sethi
2014-07-03 10:37           ` Varun Sethi
2014-07-03 10:37           ` Varun Sethi
2014-07-04 11:05       ` Joerg Roedel
2014-07-04 11:05         ` Joerg Roedel
2014-07-04 11:05         ` Joerg Roedel
     [not found]         ` <20140704110529.GF13434-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2014-07-04 13:47           ` Thierry Reding
2014-07-04 13:47             ` Thierry Reding
2014-07-04 13:47             ` Thierry Reding
2014-07-04 13:49             ` Will Deacon
2014-07-04 13:49               ` Will Deacon
2014-07-04 13:49               ` Will Deacon
     [not found]               ` <20140704134928.GA25714-5wv7dgnIgG8@public.gmane.org>
2014-07-06 18:17                 ` Arnd Bergmann
2014-07-06 18:17                   ` Arnd Bergmann
2014-07-06 18:17                   ` Arnd Bergmann
     [not found]                   ` <201407062017.23049.arnd-r2nGTMty4D4@public.gmane.org>
2014-07-07 11:42                     ` Thierry Reding
2014-07-07 11:42                       ` Thierry Reding
2014-07-07 11:42                       ` Thierry Reding
2014-06-26 20:49   ` [PATCH v3 02/10] devicetree: Add generic IOMMU device tree bindings Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49     ` Thierry Reding
     [not found]     ` <1403815790-8548-3-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-06-27 13:55       ` Will Deacon
2014-06-27 13:55         ` Will Deacon
2014-06-27 13:55         ` Will Deacon
2014-06-30 22:24       ` Stephen Warren
2014-06-30 22:24         ` Stephen Warren
2014-06-30 22:24         ` Stephen Warren
2014-07-04  6:42       ` Varun Sethi
2014-07-04  6:42         ` Varun Sethi
2014-07-04  6:42         ` Varun Sethi
     [not found]         ` <9ffe3c3871ef4b60a955259bfa0bed6c-AZ66ij2kwaacCcN9WK45f+O6mTEJWrR4XA4E9RH9d+qIuWR1G4zioA@public.gmane.org>
2014-07-04  9:05           ` Arnd Bergmann [this message]
2014-07-04  9:05             ` Arnd Bergmann
2014-07-04  9:05             ` Arnd Bergmann
2014-06-26 20:49   ` [RFC 03/10] of: Add NVIDIA Tegra124 memory controller binding Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49   ` [RFC 04/10] memory: Add Tegra124 memory controller support Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49     ` Thierry Reding
     [not found]     ` <1403815790-8548-5-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-06-27  7:41       ` Joseph Lo
2014-06-27  7:41         ` Joseph Lo
2014-06-27  7:41         ` Joseph Lo
     [not found]         ` <53AD2020.1050802-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-27  8:17           ` Thierry Reding
2014-06-27  8:17             ` Thierry Reding
2014-06-27  8:17             ` Thierry Reding
2014-06-27  8:24             ` Hiroshi Doyu
2014-06-27  8:24               ` Hiroshi Doyu
2014-06-27  9:46       ` Hiroshi DOyu
2014-06-27  9:46         ` Hiroshi DOyu
2014-06-27  9:46         ` Hiroshi DOyu
     [not found]         ` <20140627124638.7ec150cca163c89727b8953f-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-27 11:08           ` Thierry Reding
2014-06-27 11:08             ` Thierry Reding
2014-06-27 11:08             ` Thierry Reding
2014-06-27 21:33             ` Stephen Warren
2014-06-27 21:33               ` Stephen Warren
2014-06-27 21:33               ` Stephen Warren
2014-06-27 11:07       ` Arnd Bergmann
2014-06-27 11:07         ` Arnd Bergmann
2014-06-27 11:07         ` Arnd Bergmann
2014-06-27 11:15         ` Thierry Reding
2014-06-27 11:15           ` Thierry Reding
2014-06-27 11:15           ` Thierry Reding
2014-06-27 21:37           ` Stephen Warren
2014-06-27 21:37             ` Stephen Warren
2014-06-27 21:37             ` Stephen Warren
2014-06-30 22:43       ` Stephen Warren
2014-06-30 22:43         ` Stephen Warren
2014-06-30 22:43         ` Stephen Warren
2014-07-01 12:14       ` Hiroshi Doyu
2014-07-01 12:14         ` Hiroshi Doyu
2014-07-01 12:14         ` Hiroshi Doyu
2014-06-27 13:29     ` Mikko Perttunen
2014-06-27 13:29       ` Mikko Perttunen
2014-06-27 13:29       ` Mikko Perttunen
2014-06-26 20:49   ` [RFC 05/10] ARM: tegra: Add memory controller on Tegra124 Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49   ` [RFC 06/10] ARM: tegra: tegra124: Enable IOMMU for display controllers Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49   ` [RFC 07/10] ARM: tegra: tegra124: Enable IOMMU for SDMMC controllers Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49   ` [RFC 08/10] ARM: tegra: Select ARM_DMA_USE_IOMMU Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49   ` [RFC 09/10] drm/tegra: Add IOMMU support Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49     ` Thierry Reding
     [not found]     ` <1403815790-8548-10-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-06-27  9:46       ` Hiroshi DOyu
2014-06-27  9:46         ` Hiroshi DOyu
2014-06-27  9:46         ` Hiroshi DOyu
     [not found]         ` <20140627124614.050be2e406a4b9a02d9fe97c-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-27 10:54           ` Arnd Bergmann
2014-06-27 10:54             ` Arnd Bergmann
2014-06-27 10:54             ` Arnd Bergmann
2014-06-27 11:03             ` Hiroshi Doyu
2014-06-27 11:03               ` Hiroshi Doyu
2014-06-27 10:58           ` Thierry Reding
2014-06-27 10:58             ` Thierry Reding
2014-06-27 10:58             ` Thierry Reding
2014-09-30 18:48       ` Sean Paul
2014-09-30 18:48         ` Sean Paul
2014-09-30 18:48         ` Sean Paul
     [not found]         ` <CAOw6vbJy6oy7cibH4f332UM=kS56KUMcnYdUTG0pEYXyQkFDoQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-01 15:54           ` Sean Paul
2014-10-01 15:54             ` Sean Paul
2014-10-01 15:54             ` Sean Paul
     [not found]             ` <CAOw6vbLFLrqWYB-4N50G7oucgMD+xd+QtdcMSzX4z7xRiU-vPQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-10-02  8:39               ` Thierry Reding
2014-10-02  8:39                 ` Thierry Reding
2014-10-02  8:39                 ` Thierry Reding
2014-11-05  9:50               ` Thierry Reding
2014-11-05  9:50                 ` Thierry Reding
2014-11-05  9:50                 ` Thierry Reding
2014-11-05 10:26           ` Thierry Reding
2014-11-05 10:26             ` Thierry Reding
2014-11-05 10:26             ` Thierry Reding
2014-06-26 20:49   ` [RFC 10/10] mmc: sdhci-tegra: " Thierry Reding
2014-06-26 20:49     ` Thierry Reding
2014-06-26 20:49     ` Thierry Reding
     [not found]     ` <1403815790-8548-11-git-send-email-thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2014-06-27  9:46       ` Hiroshi DOyu
2014-06-27  9:46         ` Hiroshi DOyu
2014-06-27  9:46         ` Hiroshi DOyu
     [not found]         ` <20140627124602.53d046dae5d7e269815e56a0-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-06-27 11:01           ` Thierry Reding
2014-06-27 11:01             ` Thierry Reding
2014-06-27 11:01             ` Thierry Reding

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