[PATCH v3 0/6] OMAP: iommu: hwmod, reset handling and runtime PM

Tony Lindgren tony at atomide.com
Wed Oct 17 04:22:59 EST 2012


* Omar Ramirez Luna <omar.luna at linaro.org> [121011 18:07]:
> These patches are needed for remoteproc to work on OMAP4.
> 
> Introduced iommu hwmod support for OMAP3 (iva, isp) and
> OMAP4 (ipu, dsp), along with the corresponding runtime PM
> and routines to deassert reset lines, enable/disable clocks
> and configure sysc registers.
> 
> Although IOMMU hwmod patches were already submitted in the past,
> this series adds few more changes, like:
> - New reset handling.
> - Save and restore context code rework.
> - Device tree bindings for OMAP3 and OMAP4.
> 
> For this series I just dropped the patches already included in
> mainline.

These will need to be rebased on omap-for-v3.8/cleanup-headers-iommu
when I have that pushed out as that removes plat/*iommu*.h files.

Regards,

Tony
 
> Previous work can be found at:
> [v2]
>   http://www.mail-archive.com/linux-omap@vger.kernel.org/msg75701.html
> [v1]
>   http://www.mail-archive.com/linux-omap@vger.kernel.org/msg70447.html
> 
> [old iteration without reset, save/restore and device tree]
>   http://www.mail-archive.com/linux-omap@vger.kernel.org/msg60133.html
> 
> Omar Ramirez Luna (6):
>   ARM: OMAP3/4: iommu: migrate to hwmod framework
>   ARM: OMAP3/4: iommu: adapt to runtime pm
>   ARM: OMAP: iommu: pm runtime save and restore context
>   ARM: OMAP: iommu: optimize save and restore routines
>   ARM: OMAP: iommu: add device tree support
>   arm/dts: OMAP3/4: Add iommu nodes
> 
>  .../devicetree/bindings/arm/omap/iommu.txt         |   10 ++
>  arch/arm/boot/dts/omap3.dtsi                       |   12 +-
>  arch/arm/boot/dts/omap4.dtsi                       |   17 +-
>  arch/arm/mach-omap2/devices.c                      |    2 +-
>  arch/arm/mach-omap2/iommu2.c                       |   74 ++------
>  arch/arm/mach-omap2/omap-iommu.c                   |  176 +++++---------------
>  arch/arm/plat-omap/include/plat/iommu.h            |   20 ++-
>  arch/arm/plat-omap/include/plat/iommu2.h           |    4 -
>  drivers/iommu/omap-iommu.c                         |  163 ++++++++++++++----
>  9 files changed, 245 insertions(+), 233 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/arm/omap/iommu.txt
> 
> -- 
> 1.7.9.5
> 


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