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From: Sibi Sankar <sibis@codeaurora.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Andy Gross <agross@kernel.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Stephen Boyd <swboyd@chromium.org>,
	Rajendra Nayak <rnayak@codeaurora.org>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] soc: qcom: rpmhpd: Use corner in power_off
Date: Thu, 15 Jul 2021 16:10:33 +0530	[thread overview]
Message-ID: <2864bbbda8fcf62b3092fe918e7f377f@codeaurora.org> (raw)
In-Reply-To: <20210703005416.2668319-2-bjorn.andersson@linaro.org>

On 2021-07-03 06:24, Bjorn Andersson wrote:
> rpmhpd_aggregate_corner() takes a corner as parameter, but in
> rpmhpd_power_off() the code requests the level of the first corner
> instead.
> 
> In all (known) current cases the first corner has level 0, so this
> change should be a nop, but in case that there's a power domain with a
> non-zero lowest level this makes sure that rpmhpd_power_off() actually
> requests the lowest level - which is the closest to "power off" we can
> get.
> 
> While touching the code, also skip the unnecessary zero-initialization
> of "ret".
> 
> Fixes: 279b7e8a62cc ("soc: qcom: rpmhpd: Add RPMh power domain driver")
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Tested-by: Sibi Sankar <sibis@codeaurora.org>

> ---
>  drivers/soc/qcom/rpmhpd.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/soc/qcom/rpmhpd.c b/drivers/soc/qcom/rpmhpd.c
> index 2daa17ba54a3..fa209b479ab3 100644
> --- a/drivers/soc/qcom/rpmhpd.c
> +++ b/drivers/soc/qcom/rpmhpd.c
> @@ -403,12 +403,11 @@ static int rpmhpd_power_on(struct
> generic_pm_domain *domain)
>  static int rpmhpd_power_off(struct generic_pm_domain *domain)
>  {
>  	struct rpmhpd *pd = domain_to_rpmhpd(domain);
> -	int ret = 0;
> +	int ret;
> 
>  	mutex_lock(&rpmhpd_lock);
> 
> -	ret = rpmhpd_aggregate_corner(pd, pd->level[0]);
> -
> +	ret = rpmhpd_aggregate_corner(pd, 0);
>  	if (!ret)
>  		pd->enabled = false;

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.

  parent reply	other threads:[~2021-07-15 10:40 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-03  0:54 [PATCH 0/2] soc: qcom: rpmhpd: Improve rpmhpd enable handling Bjorn Andersson
2021-07-03  0:54 ` [PATCH 1/2] soc: qcom: rpmhpd: Use corner in power_off Bjorn Andersson
2021-07-05  4:26   ` Rajendra Nayak
2021-07-05  5:06     ` Bjorn Andersson
2021-07-05  5:40       ` Rajendra Nayak
2021-07-07  4:49         ` Bjorn Andersson
2021-07-07  6:31           ` Rajendra Nayak
2021-07-07 15:48             ` Bjorn Andersson
2021-07-07 16:58               ` Dmitry Baryshkov
2021-07-08  0:21   ` Stephen Boyd
2021-07-08  4:35     ` Bjorn Andersson
2021-07-08  5:03       ` Rajendra Nayak
2021-07-08  6:51         ` Stephen Boyd
2021-07-15 10:40   ` Sibi Sankar [this message]
2021-07-03  0:54 ` [PATCH 2/2] soc: qcom: rpmhpd: Make power_on actually enable the domain Bjorn Andersson
2021-07-03  2:54   ` [RESEND PATCH " Bjorn Andersson
2021-07-08  0:23     ` Stephen Boyd
2021-07-08  0:25     ` Stephen Boyd
2021-07-14  9:22     ` Rajendra Nayak
2021-07-15 12:16     ` Sibi Sankar
2021-07-15 12:24       ` Rajendra Nayak
2021-08-12 13:21     ` Dmitry Baryshkov
2021-08-13  9:45       ` Ulf Hansson
2021-07-05 12:55 ` [PATCH 0/2] soc: qcom: rpmhpd: Improve rpmhpd enable handling Ulf Hansson

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