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

Dmitry Osipenko
2019-12-13T20:37:19Z

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: <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", },
>>
>>
>
> 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?