Re: [PATCH v5 07/11] cpufreq: dt-platdev: Blacklist NVIDIA Tegra20 and Tegra30 SoCs

From: Viresh Kumar
Date: Sun Dec 15 2019 - 23:08:13 EST


On 16-12-19, 09:35, Viresh Kumar wrote:
> On 18-11-19, 19:45, Dmitry Osipenko wrote:
> > Both NVIDIA Tegra20 and Tegra30 SoCs should be blacklisted because CPU
> > OPPs use supported_hw and thus platdev isn't suitable for these SoCs.
> > Currently cpufreq-dt driver produces a bit annoying warning splats
> > during boot because valid OPPs are not found, this will be fixed once
> > tegra20-cpufreq driver will be update to support cpufreq-dt. The warnings
> > will also happen on older stable kernels using newer device-trees, thus
> > this patch should be backported to stable kernels as well.
> >
> > Cc: <stable@xxxxxxxxxxxxxxx>
> > Reported-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> > Fixes: 4053aa65c517 ("ARM: tegra: cardhu-a04: Add CPU Operating Performance Points")
> > Signed-off-by: Dmitry Osipenko <digetx@xxxxxxxxx>
> > ---
> > drivers/cpufreq/cpufreq-dt-platdev.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
> > index f1d170dcf4d3..aba591d57c67 100644
> > --- a/drivers/cpufreq/cpufreq-dt-platdev.c
> > +++ b/drivers/cpufreq/cpufreq-dt-platdev.c
> > @@ -121,6 +121,8 @@ static const struct of_device_id blacklist[] __initconst = {
> > { .compatible = "mediatek,mt8176", },
> > { .compatible = "mediatek,mt8183", },
> >
> > + { .compatible = "nvidia,tegra20", },
> > + { .compatible = "nvidia,tegra30", },
> > { .compatible = "nvidia,tegra124", },
> > { .compatible = "nvidia,tegra210", },
>
> Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

Oops, pasted the wrong register here :(

Applied. Thanks.

--
viresh