Re: [PATCH 0/4] dmaengine: qcom: bam_dma: fixes for remotely controlled bam
From: Vinod Koul <hidden>
Date: 2018-01-17 15:55:40
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On Wed, Jan 17, 2018 at 10:55:34AM +0000, Srinivas Kandagatla wrote:
On 17/01/18 10:18, Vinod Koul wrote:quoted
On Tue, Jan 16, 2018 at 07:02:32PM +0000, srinivas.kandagatla@linaro.org wrote:quoted
From: Srinivas Kandagatla <redacted> 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