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

Dmitry Osipenko
2019-12-16T14:11:32Z

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: <stable@vger.kernel.org>
>>> Reported-by: Jon Hunter <jonathanh@nvidia.com>
>>> Fixes: 4053aa65c517 ("ARM: tegra: cardhu-a04: Add CPU Operating Performance Points")
>>> Signed-off-by: Dmitry Osipenko <digetx@gmail.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@linaro.org>
>
> Oops, pasted the wrong register here :(
>
> Applied. Thanks.
>

Thanks!