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[79.139.233.37]) by smtp.googlemail.com with ESMTPSA id z9sm10499851ljm.40.2019.12.16.06.11.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Dec 2019 06:11:27 -0800 (PST) Subject: Re: [PATCH v5 07/11] cpufreq: dt-platdev: Blacklist NVIDIA Tegra20 and Tegra30 SoCs To: Viresh Kumar Cc: Thierry Reding , Jonathan Hunter , Peter De Schrijver , Prashant Gaikwad , "Rafael J. Wysocki" , 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> <20191216040532.mzdovqoub5rdztwb@vireshk-i7> <20191216040808.w67jxu7oapxgm7yh@vireshk-i7> From: Dmitry Osipenko Message-ID: Date: Mon, 16 Dec 2019 17:11:25 +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: <20191216040808.w67jxu7oapxgm7yh@vireshk-i7> 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 16.12.2019 07:08, Viresh Kumar пишет: > 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: >>> 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", }, >> >> Acked-by: Viresh Kumar > > Oops, pasted the wrong register here :( > > Applied. Thanks. > Thanks!