linux-kernel - Re: [PATCH v8 08/10] drivers: qcom: rpmh: allow requests to be sent asynchronously

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Message-ID: <20180509233910.GK19594@google.com>
Date:   Wed, 9 May 2018 16:39:10 -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, rplsssn@...eaurora.org
Subject: Re: [PATCH v8 08/10] drivers: qcom: rpmh: allow requests to be sent
 asynchronously

On Wed, May 09, 2018 at 11:01:57AM -0600, Lina Iyer wrote:
> Platform drivers that want to send a request but do not want to block
> until the RPMH request completes have now a new API -
> rpmh_write_async().
> 
> The API allocates memory and send the requests and returns the control
> back to the platform driver. The tx_done callback from the controller is
> handled in the context of the controller's thread and frees the
> allocated memory. This API allows RPMH requests from atomic contexts as
> well.
> 
> Signed-off-by: Lina Iyer <ilina@...eaurora.org>

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