linux-kernel - Re: [PATCH V2 4/8] mmc: sdhci-msm: Unconditionally call dev_pm_opp_of_remove

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Date:   Wed, 9 Sep 2020 16:37:07 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Rajendra Nayak <rnayak@...eaurora.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Rafael Wysocki <rjw@...ysocki.net>,
        Stephen Boyd <sboyd@...nel.org>, Nishanth Menon <nm@...com>,
        Douglas Anderson <dianders@...omium.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2 4/8] mmc: sdhci-msm: Unconditionally call
 dev_pm_opp_of_remove_table()

On 31-08-20, 12:57, Ulf Hansson wrote:
> On Mon, 31 Aug 2020 at 12:45, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> >
> > On 28-08-20, 10:43, Ulf Hansson wrote:
> > > On Fri, 28 Aug 2020 at 08:08, Viresh Kumar <viresh.kumar@...aro.org> wrote:
> > > >
> > > > dev_pm_opp_of_remove_table() doesn't report any errors when it fails to
> > > > find the OPP table with error -ENODEV (i.e. OPP table not present for
> > > > the device). And we can call dev_pm_opp_of_remove_table()
> > > > unconditionally here.
> > > >
> > > > Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
> > >
> > > Replaced v1 with v2 on my next branch, thanks!
> > >
> > > Just to be sure, this patch doesn't depend on any changes for the opp
> > > core that are queued for v5.10?
> >
> > The recent crashes reported by Anders and Naresh were related to a OPP
> > core bug, for which I have just sent the fix here:
> >
> > https://lore.kernel.org/lkml/922ff0759a16299e24cacfc981ac07914d8f1826.1598865786.git.viresh.kumar@linaro.org/
> >
> > This is already tested by Naresh now and finally everything works as
> > expected.
> >
> > I am going to get this fix merged in 5.9-rc4, but we do have a
> > dependency now with that fix.
> >
> > What's the best way to handle this stuff now ? The easiest IMO would
> > be for me to send these patches through the OPP tree, otherwise people
> > need to carry this and the OPP fix (for which I can provide the
> > branch/tag).
> 
> No need for a tag/branch to be shared. Instead I am simply going to
> defer to pick up any related changes for mmc, until I can rebase my
> tree on an rc[n] that contains your fix.
> 
> When that is possible, please re-post the mmc patches.

The dependency patch got merged in 5.9-rc4. Do you still want me to
resend this patch or you can apply it directly from here ?

-- 
viresh