linux-kernel - Re: [PATCH v2 01/16] soc: dt-bindings: qcom: add gpr bindings

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Date:   Wed, 14 Jul 2021 11:05:24 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        bjorn.andersson@...aro.org, broonie@...nel.org, robh@...nel.org
Cc:     devicetree@...r.kernel.org, alsa-devel@...a-project.org,
        bgoswami@...eaurora.org, lgirdwood@...il.com, tiwai@...e.de,
        plai@...eaurora.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/16] soc: dt-bindings: qcom: add gpr bindings



On 7/14/21 10:30 AM, Srinivas Kandagatla wrote:
> Qualcomm Generic Packet router aka GPR is the IPC mechanism found
> in AudioReach next generation signal processing framework to perform
> command and response messages between various processors.
> 
> GPR has concepts of static and dynamic port, all static services like
> APM (Audio Processing Manager), PRM (Proxy resource manager) have
> fixed port numbers where as dynamic services like graphs have dynamic

typo: whereas?

> port numbers which are allocated at runtime. All GPR packet messages
> will have source and destination domain and port along with opcode
> and payload.