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Date: Mon, 16 Dec 2019 09:38:08 +0530 From: Viresh Kumar <viresh.kumar@...aro.org> To: Dmitry Osipenko <digetx@...il.com> Cc: Thierry Reding <thierry.reding@...il.com>, Jonathan Hunter <jonathanh@...dia.com>, Peter De Schrijver <pdeschrijver@...dia.com>, Prashant Gaikwad <pgaikwad@...dia.com>, "Rafael J. Wysocki" <rjw@...ysocki.net>, Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Peter Geis <pgwipeout@...il.com>, Nicolas Chauvet <kwizart@...il.com>, Marcel Ziswiler <marcel.ziswiler@...adex.com>, linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org, linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v5 07/11] cpufreq: dt-platdev: Blacklist NVIDIA Tegra20 and Tegra30 SoCs 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@...r.kernel.org> > > Reported-by: Jon Hunter <jonathanh@...dia.com> > > Fixes: 4053aa65c517 ("ARM: tegra: cardhu-a04: Add CPU Operating Performance Points") > > Signed-off-by: Dmitry Osipenko <digetx@...il.com> > > --- > > 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@...aro.org> Oops, pasted the wrong register here :( Applied. Thanks. -- viresh
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