Re: [PATCH v1 2/4] dmaengine: xgene-dma: Add support for CRC32C calculation via DMA engine

2015-08-20 Thread Vinod Koul
On Thu, Aug 20, 2015 at 12:23:50PM +0530, Rameshwar Sahu wrote: > Hi Vinod, > > On Thu, Aug 20, 2015 at 11:10 AM, Vinod Koul wrote: > > On Thu, Jul 30, 2015 at 05:41:06PM +0530, Rameshwar Prasad Sahu wrote: > >> + /* Invalidate unused source address field */ > >> + for (; i < 4; i++) > >>

Re: [PATCH v1 2/4] dmaengine: xgene-dma: Add support for CRC32C calculation via DMA engine

2015-08-19 Thread Rameshwar Sahu
Hi Vinod, On Thu, Aug 20, 2015 at 11:10 AM, Vinod Koul wrote: > On Thu, Jul 30, 2015 at 05:41:06PM +0530, Rameshwar Prasad Sahu wrote: >> + /* Invalidate unused source address field */ >> + for (; i < 4; i++) >> + xgene_dma_invalidate_buffer(xgene_dma_lookup_ext8(desc2, i)); >

Re: [PATCH v1 2/4] dmaengine: xgene-dma: Add support for CRC32C calculation via DMA engine

2015-08-19 Thread Vinod Koul
On Thu, Jul 30, 2015 at 05:41:06PM +0530, Rameshwar Prasad Sahu wrote: > + /* Invalidate unused source address field */ > + for (; i < 4; i++) > + xgene_dma_invalidate_buffer(xgene_dma_lookup_ext8(desc2, i)); > + > + /* Check whether requested buffer processed */ > + if

[PATCH v1 2/4] dmaengine: xgene-dma: Add support for CRC32C calculation via DMA engine

2015-07-30 Thread Rameshwar Prasad Sahu
This patch implements CRC32C support to APM X-Gene SoC DMA engine driver. Basically we have DMA engine in SoC capable of doing CRC32C calculations. Signed-off-by: Rameshwar Prasad Sahu --- drivers/dma/xgene-dma.c | 317 +--- 1 file changed, 302 inserti