Re: [PATCH v3 15/15] spi: qup: support for qup v1 dma

2017-06-27 Thread Andy Gross
On Fri, Jun 23, 2017 at 04:49:23PM -0500, Rob Herring wrote: > On Tue, Jun 20, 2017 at 02:40:57PM +0530, Varadarajan Narayanan wrote: > > Currently the QUP Version v1 does not work with DMA so added > > the support for the same. > > > > 1. It uses ADM DMA which requires TX and RX CRCI > > 2. DMA c

Re: [PATCH v3 15/15] spi: qup: support for qup v1 dma

2017-06-27 Thread Varadarajan Narayanan
Rob, On Fri, Jun 23, 2017 at 04:49:23PM -0500, Rob Herring wrote: > On Tue, Jun 20, 2017 at 02:40:57PM +0530, Varadarajan Narayanan wrote: > > Currently the QUP Version v1 does not work with DMA so added > > the support for the same. > > > > 1. It uses ADM DMA which requires TX and RX CRCI > > 2.

Re: [PATCH v3 15/15] spi: qup: support for qup v1 dma

2017-06-23 Thread Rob Herring
On Tue, Jun 20, 2017 at 02:40:57PM +0530, Varadarajan Narayanan wrote: > Currently the QUP Version v1 does not work with DMA so added > the support for the same. > > 1. It uses ADM DMA which requires TX and RX CRCI > 2. DMA channel initialization need to be done after setting >block size for h

[PATCH v3 15/15] spi: qup: support for qup v1 dma

2017-06-20 Thread Varadarajan Narayanan
Currently the QUP Version v1 does not work with DMA so added the support for the same. 1. It uses ADM DMA which requires TX and RX CRCI 2. DMA channel initialization need to be done after setting block size for having valid values in maxburst 3. QUP mode should be DMOV instead of BAM. Signed-o