From: Lina Iyer <ilina@codeaurora.org>
To: "Raju P.L.S.S.S.N" <rplsssn@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, linux-pm@vger.kernel.org,
sboyd@kernel.org, evgreen@chromium.org, dianders@chromium.org,
mka@chromium.org
Subject: Re: [PATCH RESEND] drivers: qcom: rpmh: avoid sending sleep/wake sets immediately
Date: Wed, 24 Oct 2018 11:04:29 -0600 [thread overview]
Message-ID: <20181024170429.GE17444@codeaurora.org> (raw)
In-Reply-To: <1540315748-29158-1-git-send-email-rplsssn@codeaurora.org>
On Tue, Oct 23 2018 at 11:29 -0600, Raju P.L.S.S.S.N wrote:
>Fix the redundant call being made to send the sleep and wake requests
>immediately to the controller.
>
>As per the patch[1], the sleep and wake request votes are cached in rpmh
>controller and sent during rpmh_flush(). These requests needs to be sent
>only during entry of deeper system low power modes or suspend.
>
>[1]https://patchwork.kernel.org/patch/10477533/
>
nit: [1] https://
>Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
>Reviewed-by: Lina Iyer <ilina@codeaurora.org>
>---
> drivers/soc/qcom/rpmh.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
>diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c
>index e6e98d4..877fe78 100644
>--- a/drivers/soc/qcom/rpmh.c
>+++ b/drivers/soc/qcom/rpmh.c
>@@ -228,9 +228,8 @@ static int __rpmh_write(const struct device *dev, enum rpmh_state state,
> WARN_ON(irqs_disabled());
> ret = rpmh_rsc_send_data(ctrlr_to_drv(ctrlr), &rpm_msg->msg);
> } else {
>- ret = rpmh_rsc_write_ctrl_data(ctrlr_to_drv(ctrlr),
>- &rpm_msg->msg);
> /* Clean up our call by spoofing tx_done */
>+ ret = 0;
> rpmh_tx_done(&rpm_msg->msg, ret);
> }
>
>--
>QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
>of the Code Aurora Forum, hosted by The Linux Foundation.
>
prev parent reply other threads:[~2018-10-24 17:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-23 17:29 [PATCH RESEND] drivers: qcom: rpmh: avoid sending sleep/wake sets immediately Raju P.L.S.S.S.N
2018-10-24 15:50 ` Evan Green
2018-10-24 17:04 ` Lina Iyer [this message]
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