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[79.139.233.37]) by smtp.googlemail.com with ESMTPSA id 2sm4774272ljq.38.2019.12.13.05.27.48 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Dec 2019 05:27:48 -0800 (PST) Subject: Re: [PATCH v5 07/11] cpufreq: dt-platdev: Blacklist NVIDIA Tegra20 and Tegra30 SoCs From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Peter De Schrijver , Prashant Gaikwad , "Rafael J. Wysocki" , Viresh Kumar Cc: Michael Turquette , Stephen Boyd , Peter Geis , Nicolas Chauvet , Marcel Ziswiler , linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org References: <20191118164512.8676-1-digetx@gmail.com> <20191118164512.8676-8-digetx@gmail.com> <2776e3c7-999e-5e6f-3a0e-211226dc30e6@gmail.com> Message-ID: Date: Fri, 13 Dec 2019 16:27:47 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <2776e3c7-999e-5e6f-3a0e-211226dc30e6@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 18.11.2019 19:51, Dmitry Osipenko пишет: > 18.11.2019 19:45, Dmitry Osipenko пишет: >> 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: >> Reported-by: Jon Hunter >> Fixes: 4053aa65c517 ("ARM: tegra: cardhu-a04: Add CPU Operating Performance Points") >> Signed-off-by: Dmitry Osipenko >> --- >> 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", }, >> >> > > Hello Viresh, > > Could you please pick up this patch for v5.5 fixes? Thanks in advance! > Viresh / Rafael? Maybe I should send that patch separately?