From: swarren@wwwdotorg•org (Stephen Warren)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v2 05/22] ARM: dt: tegra30: iommu: Add "nvidia, memory-client"
Date: Mon, 29 Jul 2013 11:47:04 -0600 [thread overview]
Message-ID: <51F6AA98.4020701@wwwdotorg.org> (raw)
In-Reply-To: <20130729.140646.649065361266278007.hdoyu@nvidia.com>
On 07/29/2013 05:06 AM, Hiroshi Doyu wrote:
> Stephen Warren <swarren@wwwdotorg•org> wrote @ Wed, 17 Jul 2013 01:14:33 +0200:
>
>> On 07/05/2013 04:44 AM, Hiroshi Doyu wrote:
>>> Add "nvidia,memory-client" to identify which swgroup ID a device
>>> belongs to.
>>
>> This property also isn't in the documentation.
>>
>> Again, if client devices are required to have this new property, the DT
>> isn't backwards-compatible; fail:-(
>
> If there's no this property, just falling back to use the system
> default address space. I think that this won't break the
> compatibility basically. Only problem may be the inconsistency of
> setting this property among the HWs in the same group.
When you say "group" there, what kind of group? I thought that each HW
module had its own "SWGROUP ID", and hence there are no "HWs in the same
group"?
next prev parent reply other threads:[~2013-07-29 17:47 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-05 10:44 [PATCH v2 00/22] Unified SMMU driver among Tegra SoCs Hiroshi Doyu
2013-07-05 10:44 ` [PATCH v2 01/22] [HACK] of: dev_node has struct device pointer Hiroshi Doyu
2013-07-16 22:57 ` Stephen Warren
2013-07-16 23:16 ` Thierry Reding
2013-07-29 10:13 ` Hiroshi Doyu
2013-07-29 13:13 ` Lorenzo Pieralisi
2013-07-05 10:44 ` [PATCH v2 02/22] ARM: tegra: Populate AHB/IOMMU earlier than others Hiroshi Doyu
2013-07-16 23:03 ` Stephen Warren
2013-07-05 10:44 ` [PATCH v2 03/22] ARM: tegra: Create a DT header defining swgroups ID Hiroshi Doyu
2013-07-16 23:07 ` Stephen Warren
2013-07-29 10:53 ` Hiroshi Doyu
2013-07-29 17:45 ` Stephen Warren
2013-07-30 4:56 ` Hiroshi Doyu
2013-07-05 10:44 ` [PATCH v2 04/22] ARM: dt: tegra30: iommu: Add "nvidia,swgroup" Hiroshi Doyu
2013-07-16 23:10 ` Stephen Warren
2013-07-05 10:44 ` [PATCH v2 05/22] ARM: dt: tegra30: iommu: Add "nvidia,memory-client" Hiroshi Doyu
2013-07-16 23:14 ` [PATCH v2 05/22] ARM: dt: tegra30: iommu: Add "nvidia, memory-client" Stephen Warren
2013-07-29 11:06 ` [PATCH v2 05/22] ARM: dt: tegra30: iommu: Add "nvidia,memory-client" Hiroshi Doyu
2013-07-29 17:47 ` Stephen Warren [this message]
2013-07-30 5:11 ` Hiroshi Doyu
2013-07-05 10:44 ` [PATCH v2 06/22] ARM: dt: tegra114: iommu: Fix IOMMU register address Hiroshi Doyu
2013-07-16 23:18 ` Stephen Warren
2013-07-16 23:27 ` Thierry Reding
2013-07-05 10:44 ` [PATCH v2 07/22] ARM: dt: tegra114: iommu: Add "nvidia,swgroups" Hiroshi Doyu
2013-07-05 10:44 ` [PATCH v2 08/22] ARM: dt: tegra114: Add "nvidia,memory-client" Hiroshi Doyu
2013-07-05 10:44 ` [PATCH v2 09/22] amba: Move AHB to core_initcall Hiroshi Doyu
2013-07-16 23:20 ` Stephen Warren
2013-07-05 10:44 ` [PATCH v2 10/22] iommu/tegra: smmu: Move IOMMU " Hiroshi Doyu
2013-07-16 23:21 ` Stephen Warren
2013-07-05 10:44 ` [PATCH v2 11/22] iommu/tegra: smmu: Add Tegra 114 support Hiroshi Doyu
2013-07-18 20:01 ` Stephen Warren
2013-07-05 10:44 ` [PATCH v2 12/22] iommu/tegra: smmu: Select ARM_DMA_USE_IOMMU in Kconfig Hiroshi Doyu
2013-07-05 10:44 ` [PATCH v2 13/22] iommu/tegra: smmu: Create default IOVA maps Hiroshi Doyu
2013-07-18 20:10 ` Stephen Warren
2013-07-29 11:24 ` Hiroshi Doyu
2013-07-29 17:50 ` Stephen Warren
2013-07-05 10:44 ` [PATCH v2 14/22] iommu/tegra: smmu: Register platform_device to IOMMU dynamically Hiroshi Doyu
2013-07-18 20:17 ` Stephen Warren
2013-07-29 11:27 ` Hiroshi Doyu
2013-07-29 17:54 ` Stephen Warren
2013-07-30 5:18 ` Hiroshi Doyu
2013-07-05 10:44 ` [PATCH v2 15/22] iommu/tegra: smmu: Calculate ASID register offset by ID Hiroshi Doyu
2013-07-18 20:18 ` Stephen Warren
2013-07-05 10:44 ` [PATCH v2 16/22] iommu/tegra: smmu: Get "nvidia,swgroup" from DT Hiroshi Doyu
2013-07-18 20:28 ` Stephen Warren
2013-07-29 11:39 ` Hiroshi Doyu
2013-07-29 18:00 ` Stephen Warren
2013-07-05 10:44 ` [PATCH v2 17/22] iommu/tegra: smmu: Unfied driver for Tegra SoCs Hiroshi Doyu
2013-07-05 10:44 ` [PATCH v2 18/22] iommu/tegra: smmu: Use dt-bindings MACRO Hiroshi Doyu
2013-07-18 20:30 ` Stephen Warren
2013-07-05 10:44 ` [PATCH v2 19/22] iommu/tegra: smmu: Workaround PCIe IOMMU'able Hiroshi Doyu
2013-07-18 20:33 ` Stephen Warren
2013-07-05 10:44 ` [PATCH v2 20/22] iommu/tegra: smmu: Get "nvidia, memory-client" from DT Hiroshi Doyu
2013-07-18 20:40 ` [PATCH v2 20/22] iommu/tegra: smmu: Get "nvidia,memory-client" " Stephen Warren
2013-07-05 10:44 ` [PATCH v2 21/22] iommu/tegra: smmu: Support Multiple ASID Hiroshi Doyu
2013-07-18 20:43 ` Stephen Warren
2013-07-29 10:31 ` Hiroshi Doyu
2013-07-29 17:41 ` Stephen Warren
2013-07-30 5:22 ` Hiroshi Doyu
2013-07-05 10:44 ` [PATCH v2 22/22] ARM: dma-mapping: Drop GFP_COMP for DMA memory allocations Hiroshi Doyu
2013-07-18 20:45 ` Stephen Warren
2013-07-05 11:03 ` [PATCH v2 00/22] Unified SMMU driver among Tegra SoCs Marc Dietrich
2013-07-05 11:08 ` Hiroshi Doyu
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