From: Matthias Kaehlcke <mka@chromium.org>
To: Lina Iyer <ilina@codeaurora.org>
Cc: andy.gross@linaro.org, david.brown@linaro.org,
linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org,
rnayak@codeaurora.org, bjorn.andersson@linaro.org,
linux-kernel@vger.kernel.org, sboyd@kernel.org,
evgreen@chromium.org, dianders@chromium.org
Subject: Re: [PATCH v7 07/10] drivers: qcom: rpmh: cache sleep/wake state requests
Date: Fri, 4 May 2018 14:39:50 -0700 [thread overview]
Message-ID: <20180504213950.GD19594@google.com> (raw)
In-Reply-To: <20180502193749.31004-8-ilina@codeaurora.org>
On Wed, May 02, 2018 at 01:37:46PM -0600, Lina Iyer wrote:
> Active state requests are sent immediately to the RSC controller, while
> sleep and wake state requests are cached in this driver to avoid taxing
> the RSC controller repeatedly. The cached values will be sent to the
> controller when the rpmh_flush() is called.
>
> Generally, flushing is a system PM activity and may be called from the
> system PM drivers when the system is entering suspend or deeper sleep
> modes during cpuidle.
>
> Also allow invalidating the cached requests, so they may be re-populated
> again.
>
> Signed-off-by: Lina Iyer <ilina@codeaurora.org>
> Reviewed-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
next prev parent reply other threads:[~2018-05-04 21:39 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-02 19:37 [PATCH v7 00/10] drivers/qcom: add RPMH communication support Lina Iyer
2018-05-02 19:37 ` [PATCH v7 01/10] drivers: qcom: rpmh-rsc: add RPMH controller for QCOM SoCs Lina Iyer
2018-05-02 19:37 ` [PATCH v7 02/10] dt-bindings: introduce RPMH RSC bindings for Qualcomm SoCs Lina Iyer
2018-05-02 20:37 ` Stephen Boyd
2018-05-02 20:37 ` Stephen Boyd
2018-05-02 19:37 ` [PATCH v7 03/10] drivers: qcom: rpmh-rsc: log RPMH requests in FTRACE Lina Iyer
2018-05-02 19:45 ` Steven Rostedt
2018-05-02 19:37 ` [PATCH v7 04/10] drivers: qcom: rpmh: add RPMH helper functions Lina Iyer
2018-05-03 20:26 ` Doug Anderson
2018-05-04 20:50 ` Matthias Kaehlcke
2018-05-08 16:05 ` ilina
2018-05-10 22:37 ` Doug Anderson
2018-05-11 15:06 ` Lina Iyer
2018-05-11 20:14 ` Doug Anderson
2018-05-14 15:00 ` Lina Iyer
2018-05-02 19:37 ` [PATCH v7 05/10] drivers: qcom: rpmh-rsc: write sleep/wake requests to TCS Lina Iyer
2018-05-03 21:35 ` Matthias Kaehlcke
2018-05-08 16:16 ` ilina
2018-05-02 19:37 ` [PATCH v7 06/10] drivers: qcom: rpmh-rsc: allow invalidation of sleep/wake TCS Lina Iyer
2018-05-03 22:06 ` Matthias Kaehlcke
2018-05-08 16:14 ` ilina
2018-05-08 17:25 ` Matthias Kaehlcke
2018-05-02 19:37 ` [PATCH v7 07/10] drivers: qcom: rpmh: cache sleep/wake state requests Lina Iyer
2018-05-04 21:39 ` Matthias Kaehlcke [this message]
2018-05-02 19:37 ` [PATCH v7 08/10] drivers: qcom: rpmh: allow requests to be sent asynchronously Lina Iyer
2018-05-02 19:37 ` [PATCH v7 09/10] drivers: qcom: rpmh: add support for batch RPMH request Lina Iyer
2018-05-02 19:37 ` [PATCH v7 10/10] drivers: qcom: rpmh-rsc: allow active requests from wake TCS Lina Iyer
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