Re: [PATCH v12 00/31] iommu/exynos: Fixes and Enhancements of System MMU driver with DT

2014-05-06 Thread Cho KyongHo
On Tue, 06 May 2014 20:08:47 +0200, Tomasz Figa wrote: > On 06.05.2014 19:59, Joerg Roedel wrote: > > On Wed, Apr 30, 2014 at 04:27:10PM +0530, Shaik Ameer Basha wrote: > >> This series is going on for quite a long time and most of the patches here > >> doesn't depend on dt bindings. As Exynos IOMM

Re: [PATCH v12 00/31] iommu/exynos: Fixes and Enhancements of System MMU driver with DT

2014-05-06 Thread Arnd Bergmann
On Tuesday 06 May 2014 19:59:05 Joerg Roedel wrote: > On Wed, Apr 30, 2014 at 04:27:10PM +0530, Shaik Ameer Basha wrote: > > This series is going on for quite a long time and most of the patches here > > doesn't depend on dt bindings. As Exynos IOMMU h/w is introducing new > > versions > > very fr

Re: [PATCH v12 00/31] iommu/exynos: Fixes and Enhancements of System MMU driver with DT

2014-05-06 Thread Tomasz Figa
On 06.05.2014 19:59, Joerg Roedel wrote: On Wed, Apr 30, 2014 at 04:27:10PM +0530, Shaik Ameer Basha wrote: This series is going on for quite a long time and most of the patches here doesn't depend on dt bindings. As Exynos IOMMU h/w is introducing new versions very frequently, maintaining and r

Re: [PATCH v12 00/31] iommu/exynos: Fixes and Enhancements of System MMU driver with DT

2014-05-06 Thread Joerg Roedel
On Wed, Apr 30, 2014 at 04:27:10PM +0530, Shaik Ameer Basha wrote: > This series is going on for quite a long time and most of the patches here > doesn't depend on dt bindings. As Exynos IOMMU h/w is introducing new versions > very frequently, maintaining and reviewing all these patches again and >

Re: [PATCH v12 00/31] iommu/exynos: Fixes and Enhancements of System MMU driver with DT

2014-04-30 Thread Shaik Ameer Basha
On Mon, Apr 28, 2014 at 2:04 PM, Arnd Bergmann wrote: > On Sunday 27 April 2014 13:07:32 Shaik Ameer Basha wrote: >> The current exynos-iommu(System MMU) driver does not work autonomously >> since it is lack of support for power management of peripheral blocks. >> For example, MFC device driver mu

Re: [PATCH v12 00/31] iommu/exynos: Fixes and Enhancements of System MMU driver with DT

2014-04-29 Thread Shaik Ameer Basha
On Mon, Apr 28, 2014 at 2:04 PM, Arnd Bergmann wrote: > On Sunday 27 April 2014 13:07:32 Shaik Ameer Basha wrote: >> The current exynos-iommu(System MMU) driver does not work autonomously >> since it is lack of support for power management of peripheral blocks. >> For example, MFC device driver mu

Re: [PATCH v12 00/31] iommu/exynos: Fixes and Enhancements of System MMU driver with DT

2014-04-28 Thread Arnd Bergmann
On Sunday 27 April 2014 13:07:32 Shaik Ameer Basha wrote: > The current exynos-iommu(System MMU) driver does not work autonomously > since it is lack of support for power management of peripheral blocks. > For example, MFC device driver must ensure that its System MMU is disabled > before MFC block

[PATCH v12 00/31] iommu/exynos: Fixes and Enhancements of System MMU driver with DT

2014-04-27 Thread Shaik Ameer Basha
The current exynos-iommu(System MMU) driver does not work autonomously since it is lack of support for power management of peripheral blocks. For example, MFC device driver must ensure that its System MMU is disabled before MFC block is power-down not to invalidate IOTLB in the System MMU when I/O