Re: [PATCH 5/6] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-02-24 Thread Peter Ujfalusi
On 02/24/2015 04:28 PM, Russell King - ARM Linux wrote: > On Tue, Feb 24, 2015 at 04:21:22PM +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 5/6] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-02-24 Thread Russell King - ARM Linux
On Tue, Feb 24, 2015 at 04:21:22PM +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 5/6] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-02-24 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 5/6] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-02-24 Thread Russell King - ARM Linux
On Tue, Feb 24, 2015 at 04:21:22PM +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 5/6] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-02-24 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 5/6] dmaengine: omap-dma: Remove mapping between virtual channels and requests

2015-02-24 Thread Peter Ujfalusi
On 02/24/2015 04:28 PM, Russell King - ARM Linux wrote: On Tue, Feb 24, 2015 at 04:21:22PM +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