All of lore.kernel.org
 help / color / mirror / Atom feed
From: Evan Green <evgreen@chromium.org>
To: Lina Iyer <ilina@codeaurora.org>
Cc: Andy Gross <andy.gross@linaro.org>,
	David Brown <david.brown@linaro.org>,
	linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org,
	Rajendra Nayak <rnayak@codeaurora.org>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	linux-kernel@vger.kernel.org, sboyd@kernel.org
Subject: Re: [PATCH v4 07/10] drivers: qcom: rpmh: cache sleep/wake state requests
Date: Sat, 17 Mar 2018 00:36:28 +0000	[thread overview]
Message-ID: <CAE=gft6y4yUvjHnSf10+Yt9Sw-bcKdFUWW7zWFRvMgzENe7gUw@mail.gmail.com> (raw)
In-Reply-To: <20180309232543.24636-8-ilina@codeaurora.org>

On Fri, Mar 9, 2018 at 3:27 PM Lina Iyer <ilina@codeaurora.org> wrote:

> Active state requests are sent immediately to the mailbox controller,
> while sleep and wake state requests are cached in this driver to avoid
> taxing the mailbox 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>
> ---

> Changes in v4:
>          - remove locking for ->dirty in invalidate
>          - fix send_single
> Changes in v3:
>          - Remove locking for flush function
>          - Improve comments
> ---
>   drivers/soc/qcom/rpmh.c | 203
+++++++++++++++++++++++++++++++++++++++++++++++-
>   include/soc/qcom/rpmh.h |  10 +++
>   2 files changed, 212 insertions(+), 1 deletion(-)


Reviewed-by: Evan Green <evgreen@chromium.org>

  reply	other threads:[~2018-03-17  0:36 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-09 23:25 [PATCH v4 00/10] drivers/qcom: add RPMH communication support Lina Iyer
2018-03-09 23:25 ` [PATCH v4 01/10] drivers: qcom: rpmh-rsc: add RPMH controller for QCOM SoCs Lina Iyer
2018-03-09 23:25 ` [PATCH v4 02/10] dt-bindings: introduce RPMH RSC bindings for Qualcomm SoCs Lina Iyer
2018-03-26 22:22   ` Rob Herring
2018-03-09 23:25 ` [PATCH v4 03/10] drivers: qcom: rpmh-rsc: log RPMH requests in FTRACE Lina Iyer
2018-03-09 23:52   ` Steven Rostedt
2018-03-10  4:47     ` Lina Iyer
2018-03-09 23:25 ` [PATCH v4 04/10] drivers: qcom: rpmh: add RPMH helper functions Lina Iyer
2018-03-09 23:25 ` [PATCH v4 05/10] drivers: qcom: rpmh-rsc: write sleep/wake requests to TCS Lina Iyer
2018-03-17  0:35   ` Evan Green
2018-03-09 23:25 ` [PATCH v4 06/10] drivers: qcom: rpmh-rsc: allow invalidation of sleep/wake TCS Lina Iyer
2018-03-09 23:25 ` [PATCH v4 07/10] drivers: qcom: rpmh: cache sleep/wake state requests Lina Iyer
2018-03-17  0:36   ` Evan Green [this message]
2018-03-09 23:25 ` [PATCH v4 08/10] drivers: qcom: rpmh: allow requests to be sent asynchronously Lina Iyer
2018-03-09 23:25 ` [PATCH v4 09/10] drivers: qcom: rpmh: add support for batch RPMH request Lina Iyer
2018-03-17  0:36   ` Evan Green
2018-03-09 23:25 ` [PATCH v4 10/10] drivers: qcom: rpmh-rsc: allow active requests from wake TCS Lina Iyer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAE=gft6y4yUvjHnSf10+Yt9Sw-bcKdFUWW7zWFRvMgzENe7gUw@mail.gmail.com' \
    --to=evgreen@chromium.org \
    --cc=andy.gross@linaro.org \
    --cc=bjorn.andersson@linaro.org \
    --cc=david.brown@linaro.org \
    --cc=ilina@codeaurora.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-soc@vger.kernel.org \
    --cc=rnayak@codeaurora.org \
    --cc=sboyd@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.