Re: [PATCH v7 02/13] dt-bindings: remoteproc: qcom: pas: Add QMP property

[Rob Herring]

On Thu, 16 Sep 2021 19:29:19 +0530, Sibi Sankar wrote:
> The load state power-domain, used by the co-processors to notify the
> Always on Subsystem (AOSS) that a particular co-processor is up/down,
> suffers from the side-effect of changing states during suspend/resume.
> However the co-processors enter low-power modes independent to that of
> the application processor and their states are expected to remain
> unaltered across system suspend/resume cycles. To achieve this behavior
> let's drop the load state power-domain and replace them with the qmp
> property for all SoCs supporting low power mode signalling.
> 
> Due to the current broken load state implementation, we can afford the
> binding breakage that ensues and the remoteproc functionality will remain
> the same when using newer kernels with older dtbs.
> 
> Signed-off-by: Sibi Sankar <sibis@xxxxxxxxxxxxxx>
> Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx>
> ---
> 
> v7:
>  * Set "qcom,qmp" property to false for unsupported devices. [Rob]
> 
>  .../devicetree/bindings/remoteproc/qcom,adsp.yaml  | 54 ++++++++++------------
>  1 file changed, 24 insertions(+), 30 deletions(-)
> 

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>