From: Ben Gamari <ben@smart-cactus.org>
To: Marek Szyprowski <m.szyprowski@samsung.com>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Cc: linux-samsung-soc@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Inki Dae <inki.dae@samsung.com>, Kukjin Kim <kgene@kernel.org>,
Joonyoung Shim <jy0922.shim@samsung.com>,
Seung-Woo Kim <sw0312.kim@samsung.com>
Subject: Re: Exynos 5410 support (was [PATCH 6/6] ARM: dts: exynos5420: add sysmmu nodes)
Date: Thu, 04 Jun 2015 15:28:55 -0400 [thread overview]
Message-ID: <5570A6F7.6010305@smart-cactus.org> (raw)
In-Reply-To: <556CAE98.1080906@smart-cactus.org>
On 06/01/2015 03:12 PM, Ben Gamari wrote:
> On 06/01/2015 06:10 AM, Marek Szyprowski wrote:
>> This patch adds System MMU nodes to all defined devices that are specific
>> to Exynos5420/5800/5422 series.
>
> Apologies in advance if Thunderbird mangles this message; my usual mail
> configuration has suffered an unfortunate run-in with a mug of tea.
>
> As someone who has devoted a few weekends trying to make the mainline
> kernel usable on an Odroid XU2, I can't help but notice that nearly
> every patchset that has hit this list recently excludes the Exynos 541x
> devices, including series which appear to go out of their way to support
> older devices. I would attribute this to the lack of publicly accessible
> documentation, but many of these patches are coming from Samsung
> employees. Worse, the few patches that have been submitted for the 5410
> have languished in queue-purgatory. What is going on with support for
> this silicon?
>
> These devices really aren't that old but if Samsung insists that they
> aren't worth putting engineering time towards then perhaps they could at
> least release documentation? The Hardkernel folks are on the record[2]
> as saying there was a document under review. Perhaps this document could
> be quickly trimmed into a disclosable state? Even a quick-and-dirty
> documentation release would help my efforts substantially.
>
Could someone from Samsung please provide some sort of feedback here? It
would be greatly appreciated.
Thanks,
- Ben
next prev parent reply other threads:[~2015-06-04 19:33 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-19 13:20 [PATCH v7 00/25] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 01/25] drm/exynos: iommu: detach from default dma-mapping domain on init Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 02/25] drm/exynos: fimd: ensure proper hw state in fimd_clear_channel() Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 03/25] iommu: Init iommu-groups support earlier, in core_initcall Marek Szyprowski
[not found] ` <1432041645-11172-4-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-23 16:23 ` Laurent Pinchart
2015-05-25 7:28 ` Marek Szyprowski
2015-05-29 8:33 ` Joerg Roedel
2015-05-19 13:20 ` [PATCH v7 04/25] iommu/exynos: Don't read version register on every tlb operation Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 05/25] iommu/exynos: Remove unused functions Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 06/25] iommu/exynos: Remove useless members from exynos_iommu_owner structure Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 07/25] iommu/exynos: Refactor function parameters to simplify code Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 08/25] iommu/exynos: Rename variables to reflect their purpose Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 09/25] iommu/exynos: Use struct exynos_iommu_domain in internal structures Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 10/25] iommu/exynos: Remove excessive includes and sort others alphabetically Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 11/25] iommu/exynos: Document internal structures Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 12/25] iommu/exynos: Add/remove callbacks should fail if no iommu is available Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 13/25] iommu/exynos: Add support for binding more than one sysmmu to master device Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 14/25] iommu/exynos: Add support for runtime_pm Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 15/25] iommu/exynos: Add system suspend/resume support Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 16/25] iommu/exynos: Init from dt-specific callback instead of initcall Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 17/25] iommu/exynos: Add callback for initializing devices from device tree Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 18/25] ARM: Exynos: pm_domains: register power domain driver from core_initcall Marek Szyprowski
2015-05-20 0:51 ` Krzysztof Kozlowski
[not found] ` <1432041645-11172-1-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-19 13:20 ` [PATCH v7 19/25] ARM: dts: exynos4: add sysmmu nodes Marek Szyprowski
2015-05-29 8:52 ` [PATCH v7 00/25] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem Joerg Roedel
2015-05-19 13:20 ` [PATCH v7 20/25] ARM: dts: exynos3250: add sysmmu nodes Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 21/25] ARM: dts: exynos4415: " Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 22/25] ARM: dts: exynos5250: " Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 23/25] ARM: dts: exynos5420: " Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 24/25] ARM: DMA-mapping: add support for creating reserved mappings in iova space Marek Szyprowski
2015-05-19 13:20 ` [PATCH v7 25/25] ARM: dts: exynos: add iommu reserved regions for bootloader's splash screen Marek Szyprowski
2015-05-20 7:31 ` [PATCH v7 00/25] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem Javier Martinez Canillas
2015-05-23 3:56 ` [PATCH v7 00/25] Exynos SYSMMU (IOMMU) integration with DT andDMA-mapping subsystem Kukjin Kim
2015-05-28 23:54 ` Krzysztof Kozlowski
2015-06-01 10:10 ` [PATCH 0/6] Exynos SYSMMU (IOMMU) dts and arch updates Marek Szyprowski
2015-06-01 10:10 ` [PATCH 1/6] ARM: Exynos: pm_domains: register power domain driver from core_initcall Marek Szyprowski
2015-06-01 10:10 ` [PATCH 2/6] ARM: dts: exynos4: add sysmmu nodes Marek Szyprowski
2015-06-01 10:10 ` [PATCH 3/6] ARM: dts: exynos3250: " Marek Szyprowski
2015-06-01 10:10 ` [PATCH 4/6] ARM: dts: exynos4415: " Marek Szyprowski
2015-06-01 10:10 ` [PATCH 5/6] ARM: dts: exynos5250: " Marek Szyprowski
2015-06-01 10:10 ` [PATCH 6/6] ARM: dts: exynos5420: " Marek Szyprowski
2015-06-01 19:12 ` Exynos 5410 support (was [PATCH 6/6] ARM: dts: exynos5420: add sysmmu nodes) Ben Gamari
2015-06-01 23:51 ` Krzysztof Kozłowski
2015-06-02 8:13 ` Ben Gamari
2015-06-02 8:26 ` Krzysztof Kozłowski
2015-06-04 19:28 ` Ben Gamari [this message]
2015-06-01 11:34 ` [PATCH 0/6] Exynos SYSMMU (IOMMU) dts and arch updates Krzysztof Kozlowski
2015-06-03 23:11 ` Kukjin Kim
2015-06-04 3:51 ` Krzysztof Kozlowski
2015-06-04 6:10 ` Krzysztof Kozlowski
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