linux-kernel - Re: [PATCH v6 10/10] drivers: qcom: rpmh-rsc: allow active requests from wake TCS

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Date:   Wed, 25 Apr 2018 18:14:21 -0700
From:   Matthias Kaehlcke <mka@...omium.org>
To:     Lina Iyer <ilina@...eaurora.org>
Cc:     andy.gross@...aro.org, david.brown@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        rnayak@...eaurora.org, bjorn.andersson@...aro.org,
        linux-kernel@...r.kernel.org, sboyd@...nel.org,
        evgreen@...omium.org, dianders@...omium.org
Subject: Re: [PATCH v6 10/10] drivers: qcom: rpmh-rsc: allow active requests
 from wake TCS

On Thu, Apr 19, 2018 at 04:16:35PM -0600, Lina Iyer wrote:
> Some RSCs may only have sleep and wake TCS, i.e, there is no dedicated
> TCS for active mode request, but drivers may still want to make active
> requests from these RSCs. In such cases re-purpose the wake TCS to send
> active state requests.
> 
> The requirement for this is that the driver is aware that the wake TCS
> is being repurposed to send active request, hence the sleep and wake
> TCSes be invalidated before the active request is sent.
> 
> Signed-off-by: Lina Iyer <ilina@...eaurora.org>

Reviewed-by: Matthias Kaehlcke <mka@...omium.org>