linux-kernel - Re: opp: Modify opp API, dev_pm_opp_get_freq(), find freq in opp, even it is disabled

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Message-ID: <20200720095717.eer4pnh3y4stkems@vireshk-mac-ubuntu>
Date:   Mon, 20 Jul 2020 15:27:17 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     "Andrew-sh.Cheng" <andrew-sh.cheng@...iatek.com>
Cc:     Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, srv_heupstream@...iatek.com
Subject: Re: opp: Modify opp API, dev_pm_opp_get_freq(), find freq in opp,
 even it is disabled

On 20-07-20, 16:55, Andrew-sh.Cheng wrote:
> From: "Andrew-sh.Cheng" <andrew-sh.cheng@...iatek.com>
> 
> Modify dev_pm_opp_get_freq() to return freqeuncy
> even this opp item is not available.
> So that we can get the information of disable opp items.
> 
> Signed-off-by: Andrew-sh.Cheng <andrew-sh.cheng@...iatek.com>
> ---
>  drivers/opp/core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/opp/core.c b/drivers/opp/core.c
> index eed42d6b2e6b..5213e0462382 100644
> --- a/drivers/opp/core.c
> +++ b/drivers/opp/core.c
> @@ -118,7 +118,7 @@ EXPORT_SYMBOL_GPL(dev_pm_opp_get_voltage);
>   */
>  unsigned long dev_pm_opp_get_freq(struct dev_pm_opp *opp)
>  {
> -	if (IS_ERR_OR_NULL(opp) || !opp->available) {
> +	if (IS_ERR_OR_NULL(opp)) {
>  		pr_err("%s: Invalid parameters\n", __func__);
>  		return 0;
>  	}

Applied. Thanks.

-- 
viresh