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 09/10] drivers: qcom: rpmh: add support for batch RPMH request
Date: Sat, 17 Mar 2018 00:36:52 +0000 [thread overview]
Message-ID: <CAE=gft4a3m97MnEH1wZXkrLGcKigvUUeozoP1VdN+dupKzwSmA@mail.gmail.com> (raw)
In-Reply-To: <20180309232543.24636-10-ilina@codeaurora.org>
On Fri, Mar 9, 2018 at 3:26 PM Lina Iyer <ilina@codeaurora.org> wrote:
> Platform drivers need make a lot of resource state requests at the same
> time, say, at the start or end of an usecase. It can be quite
> inefficient to send each request separately. Instead they can give the
> RPMH library a batch of requests to be sent and wait on the whole
> transaction to be complete.
> rpmh_write_batch() is a blocking call that can be used to send multiple
> RPMH command sets. Each RPMH command set is set asynchronously and the
> API blocks until all the command sets are complete and receive their
> tx_done callbacks.
> Signed-off-by: Lina Iyer <ilina@codeaurora.org>
> ---
> Changes in v4:
> - reorganize rpmh_write_batch()
> - introduce wait_count here, instead of patch#4
> ---
> drivers/soc/qcom/rpmh.c | 156
+++++++++++++++++++++++++++++++++++++++++++++++-
> include/soc/qcom/rpmh.h | 8 +++
> 2 files changed, 162 insertions(+), 2 deletions(-)
Reviewed-by: Evan Green <evgreen@chromium.org>
next prev parent reply other threads:[~2018-03-17 0:37 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
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 [this message]
2018-03-09 23:25 ` [PATCH v4 10/10] drivers: qcom: rpmh-rsc: allow active requests from wake TCS Lina Iyer
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