Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-10 Thread Srikanth Thokala
On Thu, Feb 6, 2014 at 9:23 PM, Lars-Peter Clausen wrote: > On 02/06/2014 02:34 PM, Srikanth Thokala wrote: >> >> On Wed, Feb 5, 2014 at 10:00 PM, Lars-Peter Clausen >> wrote: >>> >>> On 02/05/2014 05:25 PM, Srikanth Thokala wrote: On Fri, Jan 31, 2014 at 12:21 PM, Srikanth

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-10 Thread Srikanth Thokala
On Thu, Feb 6, 2014 at 9:23 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 02/06/2014 02:34 PM, Srikanth Thokala wrote: On Wed, Feb 5, 2014 at 10:00 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 02/05/2014 05:25 PM, Srikanth Thokala wrote: On Fri, Jan 31, 2014 at 12:21 PM, Srikanth

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-06 Thread Lars-Peter Clausen
On 02/06/2014 02:34 PM, Srikanth Thokala wrote: On Wed, Feb 5, 2014 at 10:00 PM, Lars-Peter Clausen wrote: On 02/05/2014 05:25 PM, Srikanth Thokala wrote: On Fri, Jan 31, 2014 at 12:21 PM, Srikanth Thokala wrote: Hi Vinod, On Tue, Jan 28, 2014 at 8:43 AM, Vinod Koul wrote: On Mon, Jan

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-06 Thread Srikanth Thokala
On Wed, Feb 5, 2014 at 10:00 PM, Lars-Peter Clausen wrote: > On 02/05/2014 05:25 PM, Srikanth Thokala wrote: >> >> On Fri, Jan 31, 2014 at 12:21 PM, Srikanth Thokala >> wrote: >>> >>> Hi Vinod, >>> >>> On Tue, Jan 28, 2014 at 8:43 AM, Vinod Koul wrote: On Mon, Jan 27, 2014 at

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-06 Thread Srikanth Thokala
On Wed, Feb 5, 2014 at 10:00 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 02/05/2014 05:25 PM, Srikanth Thokala wrote: On Fri, Jan 31, 2014 at 12:21 PM, Srikanth Thokala stho...@xilinx.com wrote: Hi Vinod, On Tue, Jan 28, 2014 at 8:43 AM, Vinod Koul vinod.k...@intel.com wrote: On

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-06 Thread Lars-Peter Clausen
On 02/06/2014 02:34 PM, Srikanth Thokala wrote: On Wed, Feb 5, 2014 at 10:00 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 02/05/2014 05:25 PM, Srikanth Thokala wrote: On Fri, Jan 31, 2014 at 12:21 PM, Srikanth Thokala stho...@xilinx.com wrote: Hi Vinod, On Tue, Jan 28, 2014 at 8:43 AM,

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-05 Thread Lars-Peter Clausen
On 02/05/2014 05:25 PM, Srikanth Thokala wrote: On Fri, Jan 31, 2014 at 12:21 PM, Srikanth Thokala wrote: Hi Vinod, On Tue, Jan 28, 2014 at 8:43 AM, Vinod Koul wrote: On Mon, Jan 27, 2014 at 06:42:36PM +0530, Srikanth Thokala wrote: Hi Lars/Vinod, The question here i think would be waht

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-05 Thread Srikanth Thokala
On Fri, Jan 31, 2014 at 12:21 PM, Srikanth Thokala wrote: > Hi Vinod, > > On Tue, Jan 28, 2014 at 8:43 AM, Vinod Koul wrote: >> On Mon, Jan 27, 2014 at 06:42:36PM +0530, Srikanth Thokala wrote: >>> Hi Lars/Vinod, >>> >> The question here i think would be waht this device supports? Is the >>> >>

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-05 Thread Srikanth Thokala
On Fri, Jan 31, 2014 at 12:21 PM, Srikanth Thokala stho...@xilinx.com wrote: Hi Vinod, On Tue, Jan 28, 2014 at 8:43 AM, Vinod Koul vinod.k...@intel.com wrote: On Mon, Jan 27, 2014 at 06:42:36PM +0530, Srikanth Thokala wrote: Hi Lars/Vinod, The question here i think would be waht this device

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-05 Thread Lars-Peter Clausen
On 02/05/2014 05:25 PM, Srikanth Thokala wrote: On Fri, Jan 31, 2014 at 12:21 PM, Srikanth Thokala stho...@xilinx.com wrote: Hi Vinod, On Tue, Jan 28, 2014 at 8:43 AM, Vinod Koul vinod.k...@intel.com wrote: On Mon, Jan 27, 2014 at 06:42:36PM +0530, Srikanth Thokala wrote: Hi Lars/Vinod, The

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-04 Thread Srikanth Thokala
On Tue, Feb 4, 2014 at 10:58 AM, Vinod Koul wrote: > On Fri, Jan 31, 2014 at 12:22:52PM +0530, Srikanth Thokala wrote: >> >>> >> [...] >> >>> >>> +/** >> >>> >>> + * xilinx_vdma_device_control - Configure DMA channel of the device >> >>> >>> + * @dchan: DMA Channel pointer >> >>> >>> + * @cmd:

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-04 Thread Srikanth Thokala
On Tue, Feb 4, 2014 at 10:58 AM, Vinod Koul vinod.k...@intel.com wrote: On Fri, Jan 31, 2014 at 12:22:52PM +0530, Srikanth Thokala wrote: [...] +/** + * xilinx_vdma_device_control - Configure DMA channel of the device + * @dchan: DMA Channel pointer + * @cmd: DMA control command

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-03 Thread Vinod Koul
On Fri, Jan 31, 2014 at 12:22:52PM +0530, Srikanth Thokala wrote: > >>> >> [...] > >>> >>> +/** > >>> >>> + * xilinx_vdma_device_control - Configure DMA channel of the device > >>> >>> + * @dchan: DMA Channel pointer > >>> >>> + * @cmd: DMA control command > >>> >>> + * @arg: Channel configuration

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-03 Thread Vinod Koul
On Fri, Jan 31, 2014 at 12:22:52PM +0530, Srikanth Thokala wrote: [...] +/** + * xilinx_vdma_device_control - Configure DMA channel of the device + * @dchan: DMA Channel pointer + * @cmd: DMA control command + * @arg: Channel configuration + * + * Return: '0' on success and

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-01 Thread Lars-Peter Clausen
On 01/31/2014 06:44 PM, Andy Gross wrote: On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] +/** + *

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-02-01 Thread Lars-Peter Clausen
On 01/31/2014 06:44 PM, Andy Gross wrote: On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote:

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-31 Thread Andy Gross
On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: > On 01/24/2014 12:16 PM, Srikanth Thokala wrote: > > Hi Lars, > > > > On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen wrote: > >> On 01/22/2014 05:52 PM, Srikanth Thokala wrote: > >> [...] > >>> +/** > >>> + *

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-31 Thread Andy Gross
On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] +/** + *

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-30 Thread Srikanth Thokala
Hi Vinod, On Mon, Jan 27, 2014 at 4:36 PM, Srikanth Thokala wrote: > Hi Vinod, > > On Sun, Jan 26, 2014 at 7:29 PM, Vinod Koul wrote: >> On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: >>> On 01/24/2014 12:16 PM, Srikanth Thokala wrote: >>> > Hi Lars, >>> > >>> > On Thu, Jan

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-30 Thread Srikanth Thokala
Hi Vinod, On Tue, Jan 28, 2014 at 8:43 AM, Vinod Koul wrote: > On Mon, Jan 27, 2014 at 06:42:36PM +0530, Srikanth Thokala wrote: >> Hi Lars/Vinod, >> >> The question here i think would be waht this device supports? Is the >> >> hardware >> >> capable of doing interleaved transfers, then would

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-30 Thread Srikanth Thokala
Hi Vinod, On Tue, Jan 28, 2014 at 8:43 AM, Vinod Koul vinod.k...@intel.com wrote: On Mon, Jan 27, 2014 at 06:42:36PM +0530, Srikanth Thokala wrote: Hi Lars/Vinod, The question here i think would be waht this device supports? Is the hardware capable of doing interleaved transfers, then

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-30 Thread Srikanth Thokala
Hi Vinod, On Mon, Jan 27, 2014 at 4:36 PM, Srikanth Thokala stho...@xilinx.com wrote: Hi Vinod, On Sun, Jan 26, 2014 at 7:29 PM, Vinod Koul vinod.k...@intel.com wrote: On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-27 Thread Vinod Koul
On Mon, Jan 27, 2014 at 06:42:36PM +0530, Srikanth Thokala wrote: > Hi Lars/Vinod, > >> The question here i think would be waht this device supports? Is the > >> hardware > >> capable of doing interleaved transfers, then would make sense. > > > > The hardware does 2D transfers. The parameters for

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-27 Thread Vinod Koul
On Sun, Jan 26, 2014 at 06:39:21PM +0100, Lars-Peter Clausen wrote: > On 01/26/2014 02:59 PM, Vinod Koul wrote: > > On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: > >> On 01/24/2014 12:16 PM, Srikanth Thokala wrote: > >>> Hi Lars, > >>> > >>> On Thu, Jan 23, 2014 at 4:55 PM,

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-27 Thread Srikanth Thokala
Hi Lars/Vinod, On Sun, Jan 26, 2014 at 11:09 PM, Lars-Peter Clausen wrote: > On 01/26/2014 02:59 PM, Vinod Koul wrote: >> On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: >>> On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi Lars, On Thu, Jan 23, 2014 at 4:55

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-27 Thread Srikanth Thokala
Hi Vinod, On Sun, Jan 26, 2014 at 7:29 PM, Vinod Koul wrote: > On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: >> On 01/24/2014 12:16 PM, Srikanth Thokala wrote: >> > Hi Lars, >> > >> > On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen >> > wrote: >> >> On 01/22/2014

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-27 Thread Srikanth Thokala
Hi Vinod, On Sun, Jan 26, 2014 at 7:29 PM, Vinod Koul vinod.k...@intel.com wrote: On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen l...@metafoo.de wrote: On

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-27 Thread Srikanth Thokala
Hi Lars/Vinod, On Sun, Jan 26, 2014 at 11:09 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 01/26/2014 02:59 PM, Vinod Koul wrote: On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM,

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-27 Thread Vinod Koul
On Sun, Jan 26, 2014 at 06:39:21PM +0100, Lars-Peter Clausen wrote: On 01/26/2014 02:59 PM, Vinod Koul wrote: On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-27 Thread Vinod Koul
On Mon, Jan 27, 2014 at 06:42:36PM +0530, Srikanth Thokala wrote: Hi Lars/Vinod, The question here i think would be waht this device supports? Is the hardware capable of doing interleaved transfers, then would make sense. The hardware does 2D transfers. The parameters for a transfer

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Lars-Peter Clausen
On 01/26/2014 03:24 PM, Vinod Koul wrote: > On Wed, Jan 22, 2014 at 10:22:45PM +0530, Srikanth Thokala wrote: >> This is the driver for the AXI Video Direct Memory Access (AXI >> VDMA) core, which is a soft Xilinx IP core that provides high- >> bandwidth direct memory access between memory and

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Lars-Peter Clausen
On 01/26/2014 03:03 PM, Vinod Koul wrote: > On Thu, Jan 23, 2014 at 03:07:32PM +0100, Lars-Peter Clausen wrote: >> On 01/23/2014 03:00 PM, Andy Shevchenko wrote: >>> On Thu, 2014-01-23 at 14:50 +0100, Lars-Peter Clausen wrote: On 01/23/2014 02:38 PM, Shevchenko, Andriy wrote: > On Thu,

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Lars-Peter Clausen
On 01/26/2014 02:59 PM, Vinod Koul wrote: > On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: >> On 01/24/2014 12:16 PM, Srikanth Thokala wrote: >>> Hi Lars, >>> >>> On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote:

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Vinod Koul
On Wed, Jan 22, 2014 at 10:22:45PM +0530, Srikanth Thokala wrote: > This is the driver for the AXI Video Direct Memory Access (AXI > VDMA) core, which is a soft Xilinx IP core that provides high- > bandwidth direct memory access between memory and AXI4-Stream > type video target peripherals. The

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Vinod Koul
On Thu, Jan 23, 2014 at 03:07:32PM +0100, Lars-Peter Clausen wrote: > On 01/23/2014 03:00 PM, Andy Shevchenko wrote: > > On Thu, 2014-01-23 at 14:50 +0100, Lars-Peter Clausen wrote: > >> On 01/23/2014 02:38 PM, Shevchenko, Andriy wrote: > >>> On Thu, 2014-01-23 at 12:25 +0100, Lars-Peter Clausen

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Vinod Koul
On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: > On 01/24/2014 12:16 PM, Srikanth Thokala wrote: > > Hi Lars, > > > > On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen wrote: > >> On 01/22/2014 05:52 PM, Srikanth Thokala wrote: > >> [...] > >>> +/** > >>> + *

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Vinod Koul
On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] +/** + *

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Vinod Koul
On Thu, Jan 23, 2014 at 03:07:32PM +0100, Lars-Peter Clausen wrote: On 01/23/2014 03:00 PM, Andy Shevchenko wrote: On Thu, 2014-01-23 at 14:50 +0100, Lars-Peter Clausen wrote: On 01/23/2014 02:38 PM, Shevchenko, Andriy wrote: On Thu, 2014-01-23 at 12:25 +0100, Lars-Peter Clausen wrote: On

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Vinod Koul
On Wed, Jan 22, 2014 at 10:22:45PM +0530, Srikanth Thokala wrote: This is the driver for the AXI Video Direct Memory Access (AXI VDMA) core, which is a soft Xilinx IP core that provides high- bandwidth direct memory access between memory and AXI4-Stream type video target peripherals. The core

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Lars-Peter Clausen
On 01/26/2014 02:59 PM, Vinod Koul wrote: On Fri, Jan 24, 2014 at 02:24:27PM +0100, Lars-Peter Clausen wrote: On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote:

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Lars-Peter Clausen
On 01/26/2014 03:03 PM, Vinod Koul wrote: On Thu, Jan 23, 2014 at 03:07:32PM +0100, Lars-Peter Clausen wrote: On 01/23/2014 03:00 PM, Andy Shevchenko wrote: On Thu, 2014-01-23 at 14:50 +0100, Lars-Peter Clausen wrote: On 01/23/2014 02:38 PM, Shevchenko, Andriy wrote: On Thu, 2014-01-23 at

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-26 Thread Lars-Peter Clausen
On 01/26/2014 03:24 PM, Vinod Koul wrote: On Wed, Jan 22, 2014 at 10:22:45PM +0530, Srikanth Thokala wrote: This is the driver for the AXI Video Direct Memory Access (AXI VDMA) core, which is a soft Xilinx IP core that provides high- bandwidth direct memory access between memory and

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-24 Thread Lars-Peter Clausen
On 01/24/2014 12:16 PM, Srikanth Thokala wrote: > Hi Lars, > > On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen wrote: >> On 01/22/2014 05:52 PM, Srikanth Thokala wrote: >> [...] >>> +/** >>> + * xilinx_vdma_device_control - Configure DMA channel of the device >>> + * @dchan: DMA Channel

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-24 Thread Srikanth Thokala
Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen wrote: > On 01/22/2014 05:52 PM, Srikanth Thokala wrote: > [...] >> +/** >> + * xilinx_vdma_device_control - Configure DMA channel of the device >> + * @dchan: DMA Channel pointer >> + * @cmd: DMA control command >> + * @arg: Channel

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-24 Thread Srikanth Thokala
Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] +/** + * xilinx_vdma_device_control - Configure DMA channel of the device + * @dchan: DMA Channel pointer + * @cmd: DMA control command + * @arg:

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-24 Thread Lars-Peter Clausen
On 01/24/2014 12:16 PM, Srikanth Thokala wrote: Hi Lars, On Thu, Jan 23, 2014 at 4:55 PM, Lars-Peter Clausen l...@metafoo.de wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] +/** + * xilinx_vdma_device_control - Configure DMA channel of the device + * @dchan: DMA Channel

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Srikanth Thokala
Hi Levente, On Thu, Jan 23, 2014 at 3:00 AM, Levente Kurusa wrote: > Hello, > > 2014/1/22 Srikanth Thokala : >> This is the driver for the AXI Video Direct Memory Access (AXI >> VDMA) core, which is a soft Xilinx IP core that provides high- >> bandwidth direct memory access between memory and

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Lars-Peter Clausen
On 01/23/2014 03:00 PM, Andy Shevchenko wrote: > On Thu, 2014-01-23 at 14:50 +0100, Lars-Peter Clausen wrote: >> On 01/23/2014 02:38 PM, Shevchenko, Andriy wrote: >>> On Thu, 2014-01-23 at 12:25 +0100, Lars-Peter Clausen wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote: >>> >>> [...] >>>

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Andy Shevchenko
On Thu, 2014-01-23 at 14:50 +0100, Lars-Peter Clausen wrote: > On 01/23/2014 02:38 PM, Shevchenko, Andriy wrote: > > On Thu, 2014-01-23 at 12:25 +0100, Lars-Peter Clausen wrote: > >> On 01/22/2014 05:52 PM, Srikanth Thokala wrote: > > > > [...] > > > >>> + /* Request the interrupt */ > >>> +

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Lars-Peter Clausen
On 01/23/2014 02:38 PM, Shevchenko, Andriy wrote: > On Thu, 2014-01-23 at 12:25 +0100, Lars-Peter Clausen wrote: >> On 01/22/2014 05:52 PM, Srikanth Thokala wrote: > > [...] > >>> + /* Request the interrupt */ >>> + chan->irq = irq_of_parse_and_map(node, 0); >>> + err =

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Shevchenko, Andriy
On Thu, 2014-01-23 at 12:25 +0100, Lars-Peter Clausen wrote: > On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] > > + /* Request the interrupt */ > > + chan->irq = irq_of_parse_and_map(node, 0); > > + err = devm_request_irq(xdev->dev, chan->irq, xilinx_vdma_irq_handler, > > +

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Andy Shevchenko
On Wed, 2014-01-22 at 22:22 +0530, Srikanth Thokala wrote: > This is the driver for the AXI Video Direct Memory Access (AXI > VDMA) core, which is a soft Xilinx IP core that provides high- > bandwidth direct memory access between memory and AXI4-Stream > type video target peripherals. The core

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Lars-Peter Clausen
On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] > +/** > + * xilinx_vdma_device_control - Configure DMA channel of the device > + * @dchan: DMA Channel pointer > + * @cmd: DMA control command > + * @arg: Channel configuration > + * > + * Return: '0' on success and failure value on error > +

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Lars-Peter Clausen
On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] +/** + * xilinx_vdma_device_control - Configure DMA channel of the device + * @dchan: DMA Channel pointer + * @cmd: DMA control command + * @arg: Channel configuration + * + * Return: '0' on success and failure value on error + */

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Andy Shevchenko
On Wed, 2014-01-22 at 22:22 +0530, Srikanth Thokala wrote: This is the driver for the AXI Video Direct Memory Access (AXI VDMA) core, which is a soft Xilinx IP core that provides high- bandwidth direct memory access between memory and AXI4-Stream type video target peripherals. The core

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Shevchenko, Andriy
On Thu, 2014-01-23 at 12:25 +0100, Lars-Peter Clausen wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] + /* Request the interrupt */ + chan-irq = irq_of_parse_and_map(node, 0); + err = devm_request_irq(xdev-dev, chan-irq, xilinx_vdma_irq_handler, +

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Lars-Peter Clausen
On 01/23/2014 02:38 PM, Shevchenko, Andriy wrote: On Thu, 2014-01-23 at 12:25 +0100, Lars-Peter Clausen wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] + /* Request the interrupt */ + chan-irq = irq_of_parse_and_map(node, 0); + err = devm_request_irq(xdev-dev,

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Andy Shevchenko
On Thu, 2014-01-23 at 14:50 +0100, Lars-Peter Clausen wrote: On 01/23/2014 02:38 PM, Shevchenko, Andriy wrote: On Thu, 2014-01-23 at 12:25 +0100, Lars-Peter Clausen wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] + /* Request the interrupt */ + chan-irq =

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Lars-Peter Clausen
On 01/23/2014 03:00 PM, Andy Shevchenko wrote: On Thu, 2014-01-23 at 14:50 +0100, Lars-Peter Clausen wrote: On 01/23/2014 02:38 PM, Shevchenko, Andriy wrote: On Thu, 2014-01-23 at 12:25 +0100, Lars-Peter Clausen wrote: On 01/22/2014 05:52 PM, Srikanth Thokala wrote: [...] + /* Request the

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-23 Thread Srikanth Thokala
Hi Levente, On Thu, Jan 23, 2014 at 3:00 AM, Levente Kurusa le...@linux.com wrote: Hello, 2014/1/22 Srikanth Thokala stho...@xilinx.com: This is the driver for the AXI Video Direct Memory Access (AXI VDMA) core, which is a soft Xilinx IP core that provides high- bandwidth direct memory

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-22 Thread Levente Kurusa
Hello, 2014/1/22 Srikanth Thokala : > This is the driver for the AXI Video Direct Memory Access (AXI > VDMA) core, which is a soft Xilinx IP core that provides high- > bandwidth direct memory access between memory and AXI4-Stream > type video target peripherals. The core provides efficient two >

Re: [PATCH v2] dma: Add Xilinx AXI Video Direct Memory Access Engine driver support

2014-01-22 Thread Levente Kurusa
Hello, 2014/1/22 Srikanth Thokala stho...@xilinx.com: This is the driver for the AXI Video Direct Memory Access (AXI VDMA) core, which is a soft Xilinx IP core that provides high- bandwidth direct memory access between memory and AXI4-Stream type video target peripherals. The core provides