linux-kernel - Re: [PATCH v10 00/20] iommu/exynos: Fixes and Enhancements of System MMU driver with DT

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Date:	Fri, 01 Nov 2013 21:37:45 +0900
From:	Cho KyongHo <pullip.cho@...sung.com>
To:	Joerg Roedel <joro@...tes.org>
Cc:	Linux ARM Kernel <linux-arm-kernel@...ts.infradead.org>,
	Linux DeviceTree <devicetree@...r.kernel.org>,
	Linux IOMMU <iommu@...ts.linux-foundation.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Linux Samsung SOC <linux-samsung-soc@...r.kernel.org>,
	Antonios Motakis <a.motakis@...tualopensystems.com>,
	Grant Grundler <grundler@...omium.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Prathyush <prathyush.k@...sung.com>,
	Rahul Sharma <rahul.sharma@...sung.com>,
	Sachin Kamat <sachin.kamat@...aro.org>,
	Subash Patel <supash.ramaswamy@...aro.org>,
	Varun Sethi <Varun.Sethi@...escale.com>,
	Sylwester Nawrocki <s.nawrocki@...sung.com>,
	Tomasz Figa <t.figa@...sung.com>
Subject: Re: [PATCH v10 00/20] iommu/exynos: Fixes and Enhancements of System
 MMU driver with DT

On Fri, 01 Nov 2013 12:42:24 +0100, Joerg Roedel wrote:
> On Mon, Oct 07, 2013 at 10:52:12AM +0900, Cho KyongHo wrote:
> > Patch summary:
> > [PATCH 01/20] iommu/exynos: do not include removed header
> > [PATCH 02/20] iommu/exynos: add missing cache flush for removed page table entries
> > [PATCH 03/20] iommu/exynos: change error handling when page table update is failed
> > [PATCH 04/20] iommu/exynos: fix L2TLB invalidation
> > [PATCH 05/20] iommu/exynos: allocate lv2 page table from own slab
> > [PATCH 06/20] iommu/exynos: always enable runtime PM
> > [PATCH 07/20] iommu/exynos: always use a single clock descriptor
> > [PATCH 08/20] iommu/exynos: remove dbgname from drvdata of a System MMU
> > [PATCH 09/20] iommu/exynos: use managed device helper functions
> > [PATCH 10/20] clk: exynos: add gate clock descriptions of System MMU
> > [PATCH 11/20] ARM: dts: Add description of System MMU of Exynos SoCs
> > [PATCH 12/20] iommu/exynos: support for device tree
> > [PATCH 13/20] iommu/exynos: gating clocks of master H/W
> > [PATCH 14/20] iommu/exynos: remove custom fault handler
> > [PATCH 15/20] iommu/exynos: remove calls to Runtime PM API functions
> > [PATCH 16/20] iommu/exynos: turn on useful configuration options
> > [PATCH 17/20] iommu/exynos: add support for power management subsystems.
> > [PATCH 18/20] iommu/exynos: change rwlock to spinlock
> > [PATCH 19/20] iommu/exynos: return 0 if iommu_attach_device() successes
> > [PATCH 20/20] iommu/exynos: add devices attached to the System MMU to an IOMMU group
> > 
> > Diffstats:
> >  .../devicetree/bindings/clock/exynos5250-clock.txt |   28 +
> >  .../devicetree/bindings/clock/exynos5420-clock.txt |    3 +
> >  .../bindings/iommu/samsung,exynos4210-sysmmu.txt   |   76 ++
> >  arch/arm/boot/dts/exynos4.dtsi                     |  105 ++
> >  arch/arm/boot/dts/exynos4210.dtsi                  |   21 +
> >  arch/arm/boot/dts/exynos4x12.dtsi                  |   82 ++
> >  arch/arm/boot/dts/exynos5250.dtsi                  |  262 +++++
> >  arch/arm/boot/dts/exynos5420.dtsi                  |  296 ++++++
> >  drivers/clk/samsung/clk-exynos5250.c               |   49 +-
> >  drivers/clk/samsung/clk-exynos5420.c               |   12 +-
> >  drivers/iommu/Kconfig                              |    5 +-
> >  drivers/iommu/exynos-iommu.c                       | 1033 +++++++++++++-------
> >  12 files changed, 1585 insertions(+), 387 deletions(-)
> 
> What is the state of this series? It would be good to have some
> Acked-bys and/or Reviewed-bys on it.
> 

I am preparing next patches to apply Alex Williamson's comment that
description of IOMMU's masters must be aligned with ARM SMMU.

It is delayed due to my jobs in the office.

I will post the next patche series in two weeks.

Thanks.

> 
> 	Joerg
> 
> 
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