linux-kernel - Re: [RFC PATCH v2 1/2] interconnect: qcom: Add sdm845 interconnect provider driver

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Date:   Mon, 6 Aug 2018 15:52:52 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     David Dai <daidavid1@...eaurora.org>
Cc:     linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        georgi.djakov@...aro.org, vincent.guittot@...aro.org,
        amit.kucheria@...aro.org, ilina@...eaurora.org,
        seansw@....qualcomm.com, grahamr@....qualcomm.com
Subject: Re: [RFC PATCH v2 1/2] interconnect: qcom: Add sdm845 interconnect
 provider driver

On Wed 18 Jul 19:36 PDT 2018, David Dai wrote:
> diff --git a/drivers/interconnect/qcom/sdm845.c b/drivers/interconnect/qcom/sdm845.c
[..]
> +DEFINE_QNODE(ipa_core_master, MASTER_IPA_CORE, 1, 8, 1, SLAVE_IPA_CORE);
[..]
> +DEFINE_QNODE(ipa_core_slave, SLAVE_IPA_CORE, 1, 8, 0);

As discussed before; while the two sides of IPA_CORE are controlled
through the "bus mechanism", they do represent the clock of the IPA
block.

I think it would make sense to make this interconnect provider also
register a clock provider and expose this as a clock, for the IPA driver
to consume.

Regards,
Bjorn