Re: [PATCH v2] dmaengine: pxa_dma: fix cyclic transfers

2016-03-03 Thread Robert Jarzmik
Vinod Koul writes: > On Tue, Feb 16, 2016 at 10:54:02PM +0100, Robert Jarzmik wrote: >> While testing audio with pxa2xx-ac97, underrun were happening while the >> user application was correctly feeding the music. Debug proved that the >> cyclic transfer is not cyclic, ie. the last descriptor did

Re: [PATCH v2] dmaengine: pxa_dma: fix cyclic transfers

2016-03-03 Thread Vinod Koul
On Tue, Feb 16, 2016 at 10:54:02PM +0100, Robert Jarzmik wrote: > While testing audio with pxa2xx-ac97, underrun were happening while the > user application was correctly feeding the music. Debug proved that the > cyclic transfer is not cyclic, ie. the last descriptor did not loop on > the first. >

Re: [PATCH v2] dmaengine: pxa_dma: fix cyclic transfers

2016-02-26 Thread Robert Jarzmik
Robert Jarzmik writes: > While testing audio with pxa2xx-ac97, underrun were happening while the > user application was correctly feeding the music. Debug proved that the > cyclic transfer is not cyclic, ie. the last descriptor did not loop on > the first. > > Another issue is that the descriptor