linux-kernel - Re: [PATCH V2 1/2] opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE

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Date:   Wed, 28 Oct 2020 09:36:37 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     ulf.hansson@...aro.org, "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>, Pavel Machek <pavel@....cz>,
        Len Brown <len.brown@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>, Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-samsung-soc@...r.kernel.org,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Stephan Gerhold <stephan@...hold.net>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        nks@...wful.org, georgi.djakov@...aro.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V2 1/2] opp: Allow dev_pm_opp_get_opp_table() to return
 -EPROBE_DEFER

On 27-10-20, 15:24, Guenter Roeck wrote:
> Trying again through different e-mail provider. My previous e-mail
> got stuck in spam filters. Apologies if this is received multiple
> times.

I received only once :)

> On Mon, Aug 24, 2020 at 02:39:32PM +0530, Viresh Kumar wrote:
> > From: Stephan Gerhold <stephan@...hold.net>
> > 
> [ ... ]

You removed way too much and this lost the context. Keeping the
routine's prototype line would have been useful.

> >  
> >  	opp_table = dev_pm_opp_get_opp_table(dev);
> > -	if (!opp_table)
> > -		return ERR_PTR(-ENOMEM);
> > +	if (!IS_ERR(opp_table))
> > +		return opp_table;
> 
> This should have been
> 
> 	if (IS_ERR(opp_table))
> 		return opp_table;

I believe this is the delta from dev_pm_opp_register_set_opp_helper()
?

A proper fix is already pushed in linux-next for this yesterday.

-- 
viresh