Re: [PATCH 0/4] dmaengine: qcom: bam_dma: fixes for remotely controlled bam

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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 linux-soc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux