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From: Marek Szyprowski <m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Cc: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
	linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Shaik Ameer Basha
	<shaik.ameer-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Joonyoung Shim
	<jy0922.shim-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
	Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Inki Dae <inki.dae-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Seung-Woo Kim
	<sw0312.kim-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
	Tomasz Figa <tomasz.figa-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	linaro-mm-sig-cunTk1MwBs8s++Sfvej+rw@public.gmane.org,
	iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
	Kukjin Kim <kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Laurent Pinchart
	<laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>,
	Kyungmin Park
	<kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	Javier Martinez Canillas
	<javier-0uQlZySMnqxg9hUCZPvPmw@public.gmane.org>,
	Cho KyongHo <pullip.cho-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	David Wodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v6 10/25] iommu: exynos: remove useless device_add/remove callbacks
Date: Mon, 18 May 2015 14:09:14 +0200	[thread overview]
Message-ID: <5559D66A.5070406@samsung.com> (raw)
In-Reply-To: <20150505145538.GL15736-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>

Hello,

On 2015-05-05 16:55, Joerg Roedel wrote:
> On Mon, May 04, 2015 at 10:16:05AM +0200, Marek Szyprowski wrote:
>> The driver doesn't need to do anything important in device add/remove
>> callbacks, because initialization will be done from device-tree specific
>> callbacks added later. IOMMU groups created by current code were never
>> used.
> Hmm, will this remove support for iommu-groups in the exynos driver? I
> am still working on the default-domain patch-set which makes iommu-group
> support mandatory for iommu-drivers.

I you wish, I can leave this code. iommu-groups were not used at all on 
Exynos,
so I thought that there is no point keeping useless code.

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland

  parent reply	other threads:[~2015-05-18 12:09 UTC|newest]

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-04  8:15 [PATCH v6 00/25] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem Marek Szyprowski
2015-05-04  8:15 ` [PATCH v6 02/25] arm: exynos: pm_domains: register power domain driver from core_initcall Marek Szyprowski
2015-05-04  8:15 ` [PATCH v6 03/25] drm/exynos: iommu: detach from default dma-mapping domain on init Marek Szyprowski
2015-05-04  8:15 ` [PATCH v6 04/25] drm/exynos: fimd: ensure proper hw state in fimd_clear_channel() Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 05/25] iommu: exynos: don't read version register on every tlb operation Marek Szyprowski
2015-05-10 12:59   ` Cho KyongHo
2015-05-04  8:16 ` [PATCH v6 07/25] iommu: exynos: remove useless spinlock Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 08/25] iommu: exynos: refactor function parameters to simplify code Marek Szyprowski
     [not found]   ` <1430727380-10912-9-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-05 14:52     ` Joerg Roedel
2015-05-10 13:27     ` Cho KyongHo
     [not found]       ` <20150510222712.a955a6d326698ba5a09c6fe7-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-18 12:58         ` Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 09/25] iommu: exynos: remove unused functions, part 2 Marek Szyprowski
     [not found]   ` <1430727380-10912-10-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-05 14:53     ` Joerg Roedel
2015-05-04  8:16 ` [PATCH v6 10/25] iommu: exynos: remove useless device_add/remove callbacks Marek Szyprowski
     [not found]   ` <1430727380-10912-11-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-05 14:55     ` Joerg Roedel
     [not found]       ` <20150505145538.GL15736-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-05-18 12:09         ` Marek Szyprowski [this message]
2015-05-18 17:04           ` Joerg Roedel
     [not found]             ` <20150518170430.GK20611-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
2015-05-18 19:37               ` Laurent Pinchart
2015-05-04  8:16 ` [PATCH v6 11/25] iommu: exynos: add support for binding more than one sysmmu to master device Marek Szyprowski
2015-05-10 13:34   ` Cho KyongHo
     [not found]     ` <20150510223437.b651f6d2f3f0ead49eb72488-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-18 13:03       ` Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 12/25] iommu: exynos: add support for runtime_pm Marek Szyprowski
2015-05-10 13:38   ` Cho KyongHo
2015-05-18 12:25     ` Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 13/25] iommu: exynos: rename variables to reflect their purpose Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 14/25] iommu: exynos: use struct exynos_iommu_domain in internal structures Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 15/25] iommu: exynos: document " Marek Szyprowski
     [not found]   ` <1430727380-10912-16-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-05 15:00     ` Joerg Roedel
2015-05-04  8:16 ` [PATCH v6 16/25] iommu: exynos: remove excessive includes and sort others alphabetically Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 17/25] iommu: exynos: init from dt-specific callback instead of initcall Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 18/25] iommu: exynos: add callback for initializing devices from device tree Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 19/25] iommu: exynos: remove unneeded code Marek Szyprowski
2015-05-04  8:16 ` [PATCH v6 20/25] ARM: dts: exynos4: add sysmmu nodes Marek Szyprowski
2015-05-05  4:08   ` Krzysztof Kozłowski
2015-05-04  8:16 ` [PATCH v6 21/25] ARM: dts: exynos3250: " Marek Szyprowski
2015-05-05  4:10   ` Krzysztof Kozłowski
2015-05-04  8:16 ` [PATCH v6 22/25] ARM: dts: exynos4415: " Marek Szyprowski
2015-05-05  4:09   ` Krzysztof Kozłowski
2015-05-04  8:16 ` [PATCH v6 23/25] ARM: dts: exynos5250: " Marek Szyprowski
2015-05-05  4:04   ` Krzysztof Kozłowski
2015-05-04  8:16 ` [PATCH v6 24/25] ARM: dts: exynos5420: " Marek Szyprowski
2015-05-05  4:10   ` Krzysztof Kozłowski
2015-05-04  8:16 ` [PATCH v6 25/25] ARM: dts: exynos: add iommu reserved regions for bootloader's splash screen Marek Szyprowski
     [not found]   ` <1430727380-10912-26-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-05  5:50     ` Krzysztof Kozłowski
     [not found] ` <1430727380-10912-1-git-send-email-m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-04  8:15   ` [PATCH v6 01/25] arm: dma-mapping: add support for creating reserved mappings in iova space Marek Szyprowski
2015-05-04 22:12     ` Rob Herring
     [not found]       ` <CAL_JsqKB4F8tspydBFrL-PH3gXcyu-pwQwBETMizJzTpAF3yzg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-05-18 12:09         ` Marek Szyprowski
2015-05-06 14:01     ` Robin Murphy
2015-05-19 10:49       ` Marek Szyprowski
2015-05-04  8:16   ` [PATCH v6 06/25] iommu: exynos: remove unused functions Marek Szyprowski
2015-05-10 13:01     ` Cho KyongHo
2015-05-04 10:30   ` [PATCH v6 27/26] iommu: exynos: add system suspend/resume support Marek Szyprowski
2015-05-05 15:05   ` [PATCH v6 00/25] Exynos SYSMMU (IOMMU) integration with DT and DMA-mapping subsystem Joerg Roedel
2015-05-18 12:16     ` Marek Szyprowski
2015-05-11 16:00 ` Javier Martinez Canillas
2015-05-12 15:35   ` Javier Martinez Canillas
2015-05-18 13:26   ` Marek Szyprowski
     [not found]     ` <5559E88E.9050108-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2015-05-18 13:32       ` Javier Martinez Canillas

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