linux-kernel - [PATCH 0/4] iommu/exynos: Add IOMMU and Enhance System MMU driver for Exynos4

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Date:	Sat, 24 Sep 2011 07:26:40 +0000 (GMT)
From:	조경호 <pullip.cho@...sung.com>
To:	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Cc:	pullip.cho@...sung.com, joerg.roedel@....com,
	sanghyun75.lee@...sung.com, kgene.kim@...sung.com,
	younglak1004.kim@...sung.com, ohad@...ery.com
Subject: [PATCH 0/4] iommu/exynos: Add IOMMU and Enhance System MMU driver for
 Exynos4

Hi.

First 2 patches enhance System MMU platform device definition:                        
 - Removed System MMU for MDMA0 in LCD block because it is not used.                  
   Use MDMA2 in TOP block.                                                            
 - Removed System MMU ID. Instead a System MMU is bound to a device that              
   the System MMU is dedicated during machin initialization. If a device              
   driver wants to handle System MMU, it must bind its device with System             
   MMU with sysmmu_set_owner().
 - clkdev
 - System MMU device driver is removed from arch/arm/plat-s5p to move it
   to driver/iommu directory.
Last 2 patches implements IOMMU API:
 - Implements IOMMU API and System MMU driver that is moved from
   arch/arm/plat-s5p.
 - Implements fault handling that is suggested by Ohad.
 - Used bus_set_iommu instead of register_iommu that is suggested by Joerg.

Regards,
Cho KyongHo.

Diffstats:
arch/arm/mach-exynos4/Kconfig               |    2 -
arch/arm/mach-exynos4/clock.c               |   43 +-
arch/arm/mach-exynos4/dev-sysmmu.c          |  281 +++-------
arch/arm/mach-exynos4/include/mach/irqs.h   |    1 -
arch/arm/mach-exynos4/include/mach/map.h    |    1 -
arch/arm/mach-exynos4/include/mach/sysmmu.h |   96 ++--
arch/arm/mach-exynos4/mach-armlex4210.c     |   24 +-
arch/arm/mach-exynos4/mach-smdkv310.c       |   28 +-
arch/arm/plat-s5p/Kconfig                   |    8 -
arch/arm/plat-s5p/Makefile                  |    1 -
arch/arm/plat-s5p/include/plat/sysmmu.h     |   95 ---
arch/arm/plat-s5p/sysmmu.c                  |  312 ----------
drivers/iommu/Kconfig                       |   14 +
drivers/iommu/Makefile                      |    1 +
drivers/iommu/exynos_iommu.c                |  859 +++++++++++++++++++++++++++
15 files changed, 1084 insertions(+), 682 deletions(-)