On Wed, Jan 17, 2018 at 10:55:34AM +0000, Srinivas Kandagatla wrote: > > > On 17/01/18 10:18, Vinod Koul wrote: > >On Tue, Jan 16, 2018 at 07:02:32PM +0000, srinivas.kandagatla@xxxxxxxxxx wrote: > >>From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> > >> > >>Hi Andy, > >> > >>I did hit few issues while trying out SLIMBus BAM on DB820c, this BAM instance > >>is remotely controlled and powered up after ADSP is booted using QMI commands. > > > >What do you mean by "remotely controlled" in this series? > > DMA controller is controlled by the remote processor, which is a DSP in this > case. > Linux side is in remote mode in this setup, this can setup transfer > descriptors and start/stop a transfer. But all the initialization/powerup > part will be done in the remote processor. Yeah that was my guess too. So in this case does linux see these controllers/channels, i would presume no... -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
