Re: [PATCH v2 0/5] Renesas VMSA-compatible IPMMU DT support

2014-04-17 Thread Laurent Pinchart
Hi Will, On Thursday 17 April 2014 16:55:19 Will Deacon wrote: > On Thu, Apr 17, 2014 at 12:12:57PM +0100, Laurent Pinchart wrote: > > Hello, > > Hi Laurent, > > > This patch set adds DT support to the Renesas VMSA-compatible IPMMU > > driver. The first patch refactors the driver to remove depen

Re: [PATCH v2 0/5] Renesas VMSA-compatible IPMMU DT support

2014-04-17 Thread Will Deacon
On Thu, Apr 17, 2014 at 12:12:57PM +0100, Laurent Pinchart wrote: > Hello, Hi Laurent, > This patch set adds DT support to the Renesas VMSA-compatible IPMMU driver. > The first patch refactors the driver to remove dependencies on platform data, > the second patch adds the DT bindings documentatio

Re: [PATCH v3 1/5] x86: make dma_alloc_coherent() return zeroed memory if CMA is enabled

2014-04-17 Thread Akinobu Mita
2014-04-17 4:44 GMT+09:00 Andrew Morton : > On Tue, 15 Apr 2014 22:08:45 +0900 Akinobu Mita > wrote: > >> Calling dma_alloc_coherent() with __GFP_ZERO must return zeroed memory. >> >> But when the contiguous memory allocator (CMA) is enabled on x86 and >> the memory region is allocated by dma_all

[PATCH v2 0/5] Renesas VMSA-compatible IPMMU DT support

2014-04-17 Thread Laurent Pinchart
Hello, This patch set adds DT support to the Renesas VMSA-compatible IPMMU driver. The first patch refactors the driver to remove dependencies on platform data, the second patch adds the DT bindings documentation and the third patch implement them in the driver. The next two patches show real-lif

[PATCH v2 2/5] iommu/ipmmu-vmsa: Add device tree bindings documentation

2014-04-17 Thread Laurent Pinchart
Cc: devicet...@vger.kernel.org Cc: Will Deacon Signed-off-by: Laurent Pinchart --- .../bindings/iommu/renesas,ipmmu-vmsa.txt | 35 ++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.txt diff --git a/Do

Re: [PATCH v2 2/5] iommu/ipmmu-vmsa: Add device tree bindings documentation

2014-04-17 Thread Laurent Pinchart
On Thursday 17 April 2014 13:08:01 Geert Uytterhoeven wrote: > Hi Laurent, > > On Thu, Apr 17, 2014 at 12:33 PM, Laurent Pinchart > > wrote: > > Cc: devicet...@vger.kernel.org > > Cc: Will Deacon > > Signed-off-by: Laurent Pinchart > > > > How come your git-send-email didn't honor the two CC

Re: [PATCH v2 2/5] iommu/ipmmu-vmsa: Add device tree bindings documentation

2014-04-17 Thread Geert Uytterhoeven
Hi Laurent, On Thu, Apr 17, 2014 at 12:33 PM, Laurent Pinchart wrote: > Cc: devicet...@vger.kernel.org > Cc: Will Deacon > Signed-off-by: Laurent Pinchart How come your git-send-email didn't honor the two CC lines aboves? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeve

[PATCH v2 5/5] [TEST] ARM: shmobile: r8a7791: Enable IOMMU support for the VSP1

2014-04-17 Thread Laurent Pinchart
Not for merge yet. Signed-off-by: Laurent Pinchart --- arch/arm/boot/dts/r8a7791.dtsi | 7 ++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi index d1e446c..e024602 100644 --- a/arch/arm/boot/dts/r8a7791.dtsi +++ b

[PATCH v2 0/5] Renesas VMSA-compatible IPMMU DT support

2014-04-17 Thread Laurent Pinchart
Hello, This patch set adds DT support to the Renesas VMSA-compatible IPMMU driver. The first patch refactors the driver to remove dependencies on platform data, the second patch adds the DT bindings documentation and the third patch implement them in the driver. The next two patches show real-lif

[PATCH v2 2/5] iommu/ipmmu-vmsa: Add device tree bindings documentation

2014-04-17 Thread Laurent Pinchart
Cc: devicet...@vger.kernel.org Cc: Will Deacon Signed-off-by: Laurent Pinchart --- .../bindings/iommu/renesas,ipmmu-vmsa.txt | 35 ++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/iommu/renesas,ipmmu-vmsa.txt diff --git a/Do

[PATCH v2 1/5] iommu/ipmmu-vmsa: Refactor micro-TLB lookup

2014-04-17 Thread Laurent Pinchart
Cache the micro-TLB number in archdata allocated in the .add_device handler instead of looking it up when the deviced is attached and detached. This simplifies the .attach_dev and .detach_dev operations and prepares for DT support. Signed-off-by: Laurent Pinchart --- drivers/iommu/ipmmu-vmsa.c |

[PATCH v2 3/5] iommu/ipmmu-vmsa: Add device tree support

2014-04-17 Thread Laurent Pinchart
Make platform data optional when the device is instantiated from DT and look up the micro-TLB number in the bus master DT node. Signed-off-by: Laurent Pinchart --- drivers/iommu/ipmmu-vmsa.c | 39 +++ 1 file changed, 31 insertions(+), 8 deletions(-) diff --gi

[PATCH v2 4/5] ARM: shmobile: r8a7791: Add IPMMU DT nodes

2014-04-17 Thread Laurent Pinchart
Signed-off-by: Laurent Pinchart --- arch/arm/boot/dts/r8a7791.dtsi | 49 ++ 1 file changed, 49 insertions(+) diff --git a/arch/arm/boot/dts/r8a7791.dtsi b/arch/arm/boot/dts/r8a7791.dtsi index 909d786..d1e446c 100644 --- a/arch/arm/boot/dts/r8a7791.dtsi +++

[GIT PULL FOR v3.16] SH-Mobile IPMMU miscellaneous cleanups

2014-04-17 Thread Laurent Pinchart
Hi Joerg, The following changes since commit c9eaa447e77efe77b7fa4c953bd62de8297fd6c5: Linux 3.15-rc1 (2014-04-13 14:18:35 -0700) are available in the git repository at: git://linuxtv.org/pinchartl/fbdev.git iommu/for-v3.16 for you to fetch changes up to b11762f8431b3a5cf1c156876e79efab7d7

Re: [PATCH v3] iommu: Add driver for Renesas VMSA-compatible IPMMU

2014-04-17 Thread Laurent Pinchart
Hi Joerg, On Wednesday 09 April 2014 12:57:03 Joerg Roedel wrote: > On Wed, Apr 09, 2014 at 12:43:57PM +0200, Laurent Pinchart wrote: > > On Wednesday 02 April 2014 12:47:37 Laurent Pinchart wrote: > > > Signed-off-by: Laurent Pinchart > > > > > > --- > > > > > > drivers/iommu/Kconfig