* [PATCH 4/4] iommu/exynos: Use bus_set_iommu instead of register_iommu
@ 2011-09-24 7:31 조경호
0 siblings, 0 replies; 4+ messages in thread
From: 조경호 @ 2011-09-24 7:31 UTC (permalink / raw)
To: linux-arm-kernel
This replaces register_iommu() with bus_set_iommu() according to the
suggestion of Joerg Roedel.
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: KyongHo Cho <pullip.cho@samsung.com>
---
drivers/iommu/exynos_iommu.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/iommu/exynos_iommu.c b/drivers/iommu/exynos_iommu.c
index fe5b5d8..148e238 100644
--- a/drivers/iommu/exynos_iommu.c
+++ b/drivers/iommu/exynos_iommu.c
@@ -852,7 +852,7 @@ static int __init exynos_iommu_init(void)
if (!l2table_cachep)
return -ENOMEM;
- register_iommu(&exynos_iommu_ops);
+ bus_set_iommu(&platform_bus_type, &omap_iommu_ops);
return 0;
}
--
1.7.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 4/4] iommu/exynos: Use bus_set_iommu instead of register_iommu
@ 2011-09-24 7:36 조경호
0 siblings, 0 replies; 4+ messages in thread
From: 조경호 @ 2011-09-24 7:36 UTC (permalink / raw)
To: linux-arm-kernel
This replaces register_iommu() with bus_set_iommu() according to the
suggestion of Joerg Roedel.
Cc: Joerg Roedel
Signed-off-by: KyongHo Cho
---
drivers/iommu/exynos_iommu.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/iommu/exynos_iommu.c b/drivers/iommu/exynos_iommu.c
index fe5b5d8..148e238 100644
--- a/drivers/iommu/exynos_iommu.c
+++ b/drivers/iommu/exynos_iommu.c
@@ -852,7 +852,7 @@ static int __init exynos_iommu_init(void)
if (!l2table_cachep)
return -ENOMEM;
- register_iommu(&exynos_iommu_ops);
+ bus_set_iommu(&platform_bus_type, &omap_iommu_ops);
return 0;
}
--
1.7.1
^ permalink raw reply related [flat|nested] 4+ messages in thread
* [PATCH 0/4] iommu/exynos: Add IOMMU and Enhance System MMU driver for Exynos4
@ 2011-09-24 2:02 KyongHo Cho
2011-09-24 2:02 ` [PATCH 4/4] iommu/exynos: Use bus_set_iommu instead of register_iommu KyongHo Cho
0 siblings, 1 reply; 4+ messages in thread
From: KyongHo Cho @ 2011-09-24 2:02 UTC (permalink / raw)
To: linux-arm-kernel
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.
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(-)
^ permalink raw reply [flat|nested] 4+ messages in thread
* [PATCH 0/4] iommu/exynos: Add IOMMU and Enhance System MMU for Exynos4
@ 2011-09-24 0:38 KyongHo Cho
2011-09-24 0:38 ` [PATCH 4/4] iommu/exynos: Use bus_set_iommu instead of register_iommu KyongHo Cho
0 siblings, 1 reply; 4+ messages in thread
From: KyongHo Cho @ 2011-09-24 0:38 UTC (permalink / raw)
To: linux-arm-kernel
Hi,
The first 2 patches are the revolutionary change to the device definition
of System MMU for Exynos4 SoCs:
- System MMU ID is removed and a device and its dedicated System MMU are
bound during the machine initialization.
- Only the System MMU platform devices that are bound to their master
devices are initialized. If a System MMU is not initialized, it is no
longer available.
- Clock gating of System MMU with clkdev.
- Moved System MMU driver to the IOMMU's dedicated directory,
drivers/iommu.
The last 2 patches introduce new IOMMU API implementation for Exynos4
System MMU. They implements all IOMMU API including Ohad's latest
suggestion about MMU fault handling and Joerg's suggestion about
bus_type.
Diffstat:
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(-)
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2011-09-24 7:36 UTC | newest]
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2011-09-24 2:02 [PATCH 0/4] iommu/exynos: Add IOMMU and Enhance System MMU driver for Exynos4 KyongHo Cho
2011-09-24 2:02 ` [PATCH 4/4] iommu/exynos: Use bus_set_iommu instead of register_iommu KyongHo Cho
2011-09-24 0:38 [PATCH 0/4] iommu/exynos: Add IOMMU and Enhance System MMU for Exynos4 KyongHo Cho
2011-09-24 0:38 ` [PATCH 4/4] iommu/exynos: Use bus_set_iommu instead of register_iommu KyongHo Cho
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