linux-kernel - Re: [PATCH v2 1/9] soc: qcom: rpmpd: fixup rpmpd set performance state

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Message-ID: <a224821a-6e28-cea5-9928-440f5e132460@codeaurora.org>
Date:   Mon, 25 Mar 2019 09:33:01 +0530
From:   Rajendra Nayak <rnayak@...eaurora.org>
To:     Sibi Sankar <sibis@...eaurora.org>, bjorn.andersson@...aro.org,
        robh+dt@...nel.org, andy.gross@...aro.org
Cc:     david.brown@...aro.org, mark.rutland@....com,
        linux-kernel@...r.kernel.org, linux-arm-msm-owner@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v2 1/9] soc: qcom: rpmpd: fixup rpmpd set performance
 state


On 3/24/2019 11:19 PM, Sibi Sankar wrote:
> Fixup rpmpd state to max if the required state is greater than all the
> supported states.

This should also say why, 'so the clients which just want to vote on whatever
is the max state supported can do so by passing an INT_MAX'?

> 
> Fixes: 075d3db8d10d ("Add support for the .set_performace_state() and
> .opp_to_performance_state()")
> 
> Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
> ---
>   drivers/soc/qcom/rpmpd.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c
> index 005326050c23..235d01870dd8 100644
> --- a/drivers/soc/qcom/rpmpd.c
> +++ b/drivers/soc/qcom/rpmpd.c
> @@ -226,7 +226,7 @@ static int rpmpd_set_performance(struct generic_pm_domain *domain,
>   	struct rpmpd *pd = domain_to_rpmpd(domain);
>   
>   	if (state > MAX_RPMPD_STATE)
> -		goto out;
> +		state = MAX_RPMPD_STATE;
>   
>   	mutex_lock(&rpmpd_lock);
>   
> 

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