Re: [PATCH v3 6/7] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-03-31 Thread Peter Ujfalusi
On 03/27/2015 10:22 PM, Russell King - ARM Linux wrote: > On Fri, Mar 27, 2015 at 02:26:52PM +0200, Peter Ujfalusi wrote: >> Do not direct map the virtual channels to sDMA request number. When the >> sDMA is behind of a crossbar this direct mapping can cause situations when >> certain channel can

Re: [PATCH v3 6/7] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-03-31 Thread Peter Ujfalusi
On 03/27/2015 10:22 PM, Russell King - ARM Linux wrote: On Fri, Mar 27, 2015 at 02:26:52PM +0200, Peter Ujfalusi wrote: Do not direct map the virtual channels to sDMA request number. When the sDMA is behind of a crossbar this direct mapping can cause situations when certain channel can not be

Re: [PATCH v3 6/7] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-03-27 Thread Russell King - ARM Linux
On Fri, Mar 27, 2015 at 02:26:52PM +0200, Peter Ujfalusi wrote: > Do not direct map the virtual channels to sDMA request number. When the > sDMA is behind of a crossbar this direct mapping can cause situations when > certain channel can not be requested since the crossbar request number > will no

[PATCH v3 6/7] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-03-27 Thread Peter Ujfalusi
Do not direct map the virtual channels to sDMA request number. When the sDMA is behind of a crossbar this direct mapping can cause situations when certain channel can not be requested since the crossbar request number will no longer match with the sDMA request line. The direct mapping for virtual

[PATCH v3 6/7] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-03-27 Thread Peter Ujfalusi
Do not direct map the virtual channels to sDMA request number. When the sDMA is behind of a crossbar this direct mapping can cause situations when certain channel can not be requested since the crossbar request number will no longer match with the sDMA request line. The direct mapping for virtual

Re: [PATCH v3 6/7] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-03-27 Thread Russell King - ARM Linux
On Fri, Mar 27, 2015 at 02:26:52PM +0200, Peter Ujfalusi wrote: Do not direct map the virtual channels to sDMA request number. When the sDMA is behind of a crossbar this direct mapping can cause situations when certain channel can not be requested since the crossbar request number will no