From: Hiroshi Doyu <hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>,
Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
Cc: "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Stephen Warren <swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
"rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org"
<rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
"linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org"
<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
"grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org"
<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Subject: Re: [PATCHv3 14/19] iommu/tegra: smmu: Get "nvidia,memory-clients" from DT
Date: Fri, 1 Nov 2013 09:54:30 +0200 [thread overview]
Message-ID: <20131101095430.4e37d15c385e87b7a379fc96@nvidia.com> (raw)
In-Reply-To: <5272AC82.6080205-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
On Thu, 31 Oct 2013 20:16:18 +0100
Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> wrote:
> Hmm. That's interesting. I see that the ARM SMMU has a list of the
> clients it affects, whereas this Tegra series puts information into each
> client device about the SMMU(s) that affect it. Is it better to flip the
> Tegra binding around to match the style of the ARM SMMU?
That's better from consistency POV.
Can this be used to control the device instanciation order?
I'm considering the following scenario:
If a device phandle is listed in mmu-masters, that device probe would
be defered till IOMMU is instanciated.
How does ARM SMMU deal with this issue now?
next prev parent reply other threads:[~2013-11-01 7:54 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-18 10:26 [PATCHv3 00/19] Unifying SMMU driver among Tegra SoCs Hiroshi Doyu
[not found] ` <1382092020-13170-1-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-18 10:26 ` [PATCHv3 01/19] [HACK] of: dev_node has struct device pointer Hiroshi Doyu
[not found] ` <1382092020-13170-2-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-24 8:55 ` Grant Likely
[not found] ` <20131024085531.680A4C4039D-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2013-10-24 9:21 ` Hiroshi Doyu
[not found] ` < 20131025001038.77299C403B6@trevor.secretlab.ca>
[not found] ` <20131024.122115.1035609747068925560.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-24 9:36 ` Kumar Gala
[not found] ` <3E007970-C2E3-4A2E-B2E3-8388DB7A98F9-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2013-10-25 0:12 ` Grant Likely
2013-10-25 0:10 ` Grant Likely
[not found] ` <20131025001038.77299C403B6-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2013-10-25 7:56 ` Thierry Reding
[not found] ` <20131025075652.GB19622-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2013-10-25 8:22 ` Hiroshi Doyu
[not found] ` <20131025.112202.47792301040951621.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-25 13:20 ` Will Deacon
[not found] ` <20131025132051.GD9999-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2013-10-25 13:46 ` Thierry Reding
2013-10-30 21:47 ` Stephen Warren
2013-10-25 8:25 ` Hiroshi Doyu
[not found] ` <20131025.112549.2040849946958069337.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-25 9:11 ` Thierry Reding
[not found] ` <20131025091104.GG19622-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2013-10-25 9:49 ` Hiroshi Doyu
[not found] ` <20131025.124905.1154427805530939055.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-25 10:49 ` Thierry Reding
[not found] ` <20131025104937.GA25080-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2013-10-25 11:08 ` Hiroshi Doyu
2013-10-25 19:01 ` Grant Likely
[not found] ` <20131025190136.D55F5C403A7-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2013-10-28 7:31 ` Thierry Reding
[not found] ` <20131028073133.GA6629-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2013-11-12 7:17 ` Grant Likely
2013-10-30 21:58 ` Stephen Warren
[not found] ` <52718122.9000206-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-30 22:41 ` Thierry Reding
2013-10-31 8:14 ` Hiroshi Doyu
[not found] ` <20131031.101405.2229107340254709582.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-31 16:37 ` Stephen Warren
[not found] ` <52728754.60307-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-31 16:49 ` Hiroshi Doyu
2013-11-01 9:53 ` Thierry Reding
[not found] ` <20131101095349.GI27864-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2013-11-01 10:09 ` Hiroshi Doyu
2013-10-31 8:12 ` Hiroshi Doyu
[not found] ` <20131031.101232.80781047726461143.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-31 16:35 ` Stephen Warren
[not found] ` <527286CC.9080404-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-31 16:46 ` Hiroshi Doyu
[not found] ` <20131031.184603.979300613649357798.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-31 17:53 ` Stephen Warren
[not found] ` <52729912.9050800-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-11-01 6:49 ` Hiroshi Doyu
[not found] ` <20131101084909.5ed79987aa3aeb13b14e3f08-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-11-01 9:52 ` Thierry Reding
[not found] ` <20131101095223.GH27864-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2013-11-01 10:05 ` Hiroshi Doyu
2013-11-01 21:44 ` Stephen Warren
2013-11-06 14:06 ` [RFC][PATCHv3+ 1/2] driver/core: Add of_iommu_attach() Hiroshi Doyu
[not found] ` <20131106160623.2cb72f91cd071e555d0d4b9a-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-11-08 13:14 ` Hiroshi Doyu
2013-11-01 9:46 ` [PATCHv3 01/19] [HACK] of: dev_node has struct device pointer Thierry Reding
[not found] ` <20131101094644.GG27864-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>
2013-11-01 9:59 ` Hiroshi Doyu
[not found] ` <20131101.115919.351108054879013006.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-11-01 21:45 ` Stephen Warren
[not found] ` <527420EF.1070102-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-11-04 6:42 ` Hiroshi Doyu
2013-11-15 7:31 ` Grant Likely
2013-10-18 10:26 ` [PATCHv3 02/19] [HACK] ARM: tegra: Populate AHB/IOMMU earlier than others Hiroshi Doyu
[not found] ` <1382092020-13170-3-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-30 22:01 ` Stephen Warren
2013-10-18 10:26 ` [PATCHv3 05/19] ARM: dt: tegra114: iommu: Fix IOMMU register address Hiroshi Doyu
[not found] ` <1382092020-13170-6-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-30 22:07 ` Stephen Warren
[not found] ` <52718315.1040307-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-31 8:14 ` Hiroshi Doyu
2013-10-31 16:51 ` Mark Rutland
2013-10-31 17:05 ` Hiroshi Doyu
[not found] ` <20131031.190524.343708041257755667.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-31 17:11 ` Hiroshi Doyu
[not found] ` <20131031.191126.1326472797634956722.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-31 17:34 ` Mark Rutland
2013-10-18 10:26 ` [PATCHv3 10/19] iommu/tegra: smmu: Get "nvidia,swgroups" from DT Hiroshi Doyu
[not found] ` <1382092020-13170-11-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-24 8:58 ` Grant Likely
[not found] ` <20131024085811.A3F2CC4039D-WNowdnHR2B42iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2013-10-30 22:22 ` Stephen Warren
2013-10-30 22:33 ` Stephen Warren
[not found] ` <5271893C.6000507-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-31 8:17 ` Hiroshi Doyu
[not found] ` <20131031.101717.1419377840657413108.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-11-01 16:54 ` Stephen Warren
[not found] ` <5273DCCD.2050901-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-11-04 6:59 ` Hiroshi Doyu
2013-10-31 17:31 ` Mark Rutland
2013-10-31 18:00 ` Will Deacon
[not found] ` <20131031180029.GB31082-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2013-11-01 7:41 ` Hiroshi Doyu
2013-11-01 7:27 ` Hiroshi Doyu
2013-10-31 17:15 ` Mark Rutland
2013-10-18 10:26 ` [PATCHv3 11/19] ARM: dt: tegra30: iommu: Add "nvidia,swgroups" Hiroshi Doyu
[not found] ` <1382092020-13170-12-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-30 22:35 ` Stephen Warren
2013-10-18 10:26 ` [PATCHv3 12/19] ARM: dt: tegra114: " Hiroshi Doyu
[not found] ` <1382092020-13170-13-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-31 16:46 ` Mark Rutland
2013-10-18 10:26 ` [PATCHv3 14/19] iommu/tegra: smmu: Get "nvidia,memory-clients" from DT Hiroshi Doyu
[not found] ` <1382092020-13170-15-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-24 9:01 ` Grant Likely
2013-10-30 22:44 ` Stephen Warren
[not found] ` <52718BB4.4090007-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-31 8:18 ` Hiroshi Doyu
[not found] ` <20131031.101808.1830527808656695540.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-31 17:40 ` Mark Rutland
2013-10-31 18:02 ` Will Deacon
[not found] ` <20131031180212.GC31082-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2013-10-31 19:13 ` Stephen Warren
[not found] ` <5272ABBD.4050505-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-31 19:21 ` Will Deacon
2013-10-31 19:16 ` Stephen Warren
[not found] ` <5272AC82.6080205-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-31 19:25 ` Stephen Warren
[not found] ` <5272AEA5.7020200-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-31 19:39 ` Will Deacon
[not found] ` <20131031193941.GB31516-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2013-11-01 8:03 ` Hiroshi Doyu
2013-11-01 16:08 ` Stephen Warren
[not found] ` <5273D214.90106-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-11-01 16:34 ` Will Deacon
[not found] ` <20131101163404.GC2442-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2013-11-01 17:05 ` Stephen Warren
[not found] ` <5273DF45.8050505-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-11-04 6:48 ` Hiroshi Doyu
2013-11-01 17:08 ` Stephen Warren
2013-11-01 7:54 ` Hiroshi Doyu [this message]
2013-11-01 7:46 ` Hiroshi Doyu
2013-10-31 19:17 ` Stephen Warren
2013-10-18 10:26 ` [PATCHv3 15/19] ARM: tegra: Create a DT header defining SWGROUP ID Hiroshi Doyu
[not found] ` <1382092020-13170-16-git-send-email-hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-30 22:48 ` Stephen Warren
[not found] ` <52718CC6.5-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-31 8:19 ` Hiroshi Doyu
[not found] ` <20131031.101942.530833331841957251.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-31 17:46 ` Mark Rutland
2013-10-31 19:18 ` Stephen Warren
2013-11-01 8:06 ` Hiroshi Doyu
[not found] ` <20131101100605.2a29eac5b5ba8719a0beb276-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-11-01 16:05 ` Stephen Warren
2013-10-18 10:26 ` [PATCHv3 17/19] ARM: dt: tegra30: iommu: Add "nvidia,memory-clients" Hiroshi Doyu
2013-10-18 10:26 ` [PATCHv3 18/19] ARM: dt: tegra114: iommu: Add "nvidia, memory-clients" Hiroshi Doyu
2013-10-30 16:34 ` [PATCHv3 00/19] Unifying SMMU driver among Tegra SoCs Hiroshi Doyu
[not found] ` <20131030.183454.2089418674186724494.hdoyu-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2013-10-30 16:44 ` Stephen Warren
2013-10-30 22:19 ` Stephen Warren
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