linux-kernel - Re: [PATCH v1 2/4] cpufreq: mediatek: Add mediatek related projects into blacklist

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Message-ID: <1516610369.12197.20.camel@mtkswgap22>
Date:   Mon, 22 Jan 2018 16:39:29 +0800
From:   Sean Wang <sean.wang@...iatek.com>
To:     <rjw@...ysocki.net>, Viresh Kumar <viresh.kumar@...aro.org>
CC:     Andrew-sh Cheng <andrew-sh.cheng@...iatek.com>,
        <mark.rutland@....com>, <khilman@...libre.com>,
        <devicetree@...r.kernel.org>, <srv_heupstream@...iatek.com>,
        <linux-pm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <robh+dt@...nel.org>, <linux-mediatek@...ts.infradead.org>,
        <matthias.bgg@...il.com>, <linux-arm-kernel@...ts.infradead.org>,
        <steven.liu@...iatek.com>, <Ryder.Lee@...iatek.com>,
        <Mark-MC.Lee@...iatek.com>
Subject: Re: [PATCH v1 2/4] cpufreq: mediatek: Add mediatek related projects
 into blacklist

Hi, Rafael and Viresh

Can you kindly guide me how to let the patch also be applied to 4.14 and
4.15 tree? Do I need to submit another patches for them?

These trees really need them. Otherwise, multi_v7_defconfig setup will
cause an occasional hang or unexpected behaviors on related boards as
[1] kernelci reported :-(

	Sean

[1]
https://kernelci.org/boot/mt7623n-bananapi-bpi-r2/


On Mon, 2017-12-11 at 13:25 +0530, Viresh Kumar wrote:
> On 08-12-17, 14:07, Andrew-sh Cheng wrote:
> > mediatek projects will use mediate-cpufreq.c as cpufreq driver,
> > instead of using cpufreq_dt.c
> > Add mediatek related projects into cpufreq-dt blacklist
> > 
> > Signed-off-by: Andrew-sh Cheng <andrew-sh.cheng@...iatek.com>
> > ---
> >  drivers/cpufreq/cpufreq-dt-platdev.c | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
> > index ecc56e2..3b585e4 100644
> > --- a/drivers/cpufreq/cpufreq-dt-platdev.c
> > +++ b/drivers/cpufreq/cpufreq-dt-platdev.c
> > @@ -108,6 +108,14 @@ static const struct of_device_id blacklist[] __initconst = {
> >  
> >  	{ .compatible = "marvell,armadaxp", },
> >  
> > +	{ .compatible = "mediatek,mt2701", },
> > +	{ .compatible = "mediatek,mt2712", },
> > +	{ .compatible = "mediatek,mt7622", },
> > +	{ .compatible = "mediatek,mt7623", },
> > +	{ .compatible = "mediatek,mt817x", },
> > +	{ .compatible = "mediatek,mt8173", },
> > +	{ .compatible = "mediatek,mt8176", },
> > +
> >  	{ .compatible = "nvidia,tegra124", },
> >  
> >  	{ .compatible = "st,stih407", },
> 
> Acked-by: Viresh Kumar <viresh.kumar@...aro.org>
>