From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>,
MyungJoo Ham <myungjoo.ham@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Tomeu Vizoso <tomeu.vizoso@collabora.com>,
linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 14/16] PM / devfreq: tegra: Enable COMPILE_TEST for the driver
Date: Tue, 4 Jun 2019 17:41:53 +0300 [thread overview]
Message-ID: <02a6651f-17f3-2e79-7780-57657596ba23@gmail.com> (raw)
In-Reply-To: <20190604141824.GC397@ulmo>
04.06.2019 17:18, Thierry Reding пишет:
> On Tue, Jun 04, 2019 at 04:10:31PM +0200, Thierry Reding wrote:
>> On Tue, Jun 04, 2019 at 04:53:17PM +0300, Dmitry Osipenko wrote:
>>> 04.06.2019 14:20, Thierry Reding пишет:
>>>> On Thu, May 02, 2019 at 02:38:13AM +0300, Dmitry Osipenko wrote:
>>>>> The driver's compilation doesn't have any specific dependencies, hence
>>>>> the COMPILE_TEST option can be supported in Kconfig.
>>>>>
>>>>> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
>>>>> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
>>>>> ---
>>>>> drivers/devfreq/Kconfig | 2 +-
>>>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>>>
>>>>> diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
>>>>> index 56db9dc05edb..a6bba6e1e7d9 100644
>>>>> --- a/drivers/devfreq/Kconfig
>>>>> +++ b/drivers/devfreq/Kconfig
>>>>> @@ -93,7 +93,7 @@ config ARM_EXYNOS_BUS_DEVFREQ
>>>>>
>>>>> config ARM_TEGRA_DEVFREQ
>>>>> tristate "NVIDIA Tegra30/114/124/210 DEVFREQ Driver"
>>>>> - depends on ARCH_TEGRA
>>>>> + depends on ARCH_TEGRA || COMPILE_TEST
>>>>> select PM_OPP
>>>>> help
>>>>> This adds the DEVFREQ driver for the Tegra family of SoCs.
>>>>
>>>> You need to be careful with these. You're using I/O register accessors,
>>>> which are not supported on the UM architecture, for example.
>>>>
>>>> This may end up getting flagged during build testing.
>>>
>>> We have similar cases in other drivers and it doesn't cause any known
>>> problems because (I think) build-bots are aware of this detail. Hence
>>
>> I don't understand how the build-bots would be aware of this detail.
>> Unless you explicitly state what the dependencies are, how would the
>> build-bots know? Perhaps there's some logic built-in somewhere that I
>> don't know about?
>
> So looks like COMPILE_TEST has a !UML dependency, so this might just
> work.
>
> Acked-by: Thierry Reding <treding@nvidia.com>
>
Thank you very much for the clarification! Certainly that would caused
problems already since there are such cases all over the kernel,
including Tegra drivers.
next prev parent reply other threads:[~2019-06-04 14:41 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20190501234148epcas5p1cc9a8dafa9ee6d8d046d1292b8270727@epcas5p1.samsung.com>
2019-05-01 23:37 ` [PATCH v4 00/16] NVIDIA Tegra devfreq improvements and Tegra20/30 support Dmitry Osipenko
2019-05-01 23:38 ` [PATCH v4 01/16] PM / devfreq: tegra: Fix kHz to Hz conversion Dmitry Osipenko
2019-06-04 10:54 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 02/16] PM / devfreq: tegra: Replace readl-writel with relaxed versions Dmitry Osipenko
2019-06-04 10:55 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 03/16] PM / devfreq: tegra: Replace write memory barrier with the read barrier Dmitry Osipenko
2019-06-04 10:56 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 04/16] PM / devfreq: tegra: Don't ignore clk errors Dmitry Osipenko
2019-06-04 10:57 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 05/16] PM / devfreq: tegra: Don't set EMC clock rate to maximum on probe Dmitry Osipenko
2019-06-04 11:00 ` Thierry Reding
2019-06-04 13:05 ` Dmitry Osipenko
2019-05-01 23:38 ` [PATCH v4 06/16] PM / devfreq: tegra: Drop primary interrupt handler Dmitry Osipenko
2019-06-04 11:02 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 07/16] PM / devfreq: tegra: Properly disable interrupts Dmitry Osipenko
2019-06-04 11:07 ` Thierry Reding
2019-06-04 13:40 ` Dmitry Osipenko
2019-06-04 14:06 ` Thierry Reding
2019-06-04 14:59 ` Dmitry Osipenko
2019-06-04 22:55 ` Dmitry Osipenko
2019-06-07 16:58 ` Dmitry Osipenko
2019-05-01 23:38 ` [PATCH v4 08/16] PM / devfreq: tegra: Clean up driver's probe / remove Dmitry Osipenko
2019-06-04 11:09 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 09/16] PM / devfreq: tegra: Avoid inconsistency of current frequency value Dmitry Osipenko
2019-06-04 11:14 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 10/16] PM / devfreq: tegra: Mark ACTMON's governor as immutable Dmitry Osipenko
2019-06-04 11:15 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 11/16] PM / devfreq: tegra: Move governor registration to driver's probe Dmitry Osipenko
2019-06-04 11:15 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 12/16] PM / devfreq: tegra: Reconfigure hardware on governor's restart Dmitry Osipenko
2019-06-04 11:17 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 13/16] PM / devfreq: tegra: Support Tegra30 Dmitry Osipenko
2019-06-04 11:18 ` Thierry Reding
2019-05-01 23:38 ` [PATCH v4 14/16] PM / devfreq: tegra: Enable COMPILE_TEST for the driver Dmitry Osipenko
2019-06-04 11:20 ` Thierry Reding
2019-06-04 13:53 ` Dmitry Osipenko
2019-06-04 14:10 ` Thierry Reding
2019-06-04 14:18 ` Thierry Reding
2019-06-04 14:41 ` Dmitry Osipenko [this message]
2019-06-04 14:50 ` Thierry Reding
2019-06-04 15:15 ` Dmitry Osipenko
2019-05-01 23:38 ` [PATCH v4 15/16] PM / devfreq: tegra: Rename tegra-devfreq.c to tegra30-devfreq.c Dmitry Osipenko
2019-06-04 11:23 ` Thierry Reding
2019-06-04 14:35 ` Dmitry Osipenko
2019-05-01 23:38 ` [PATCH v4 16/16] PM / devfreq: Introduce driver for NVIDIA Tegra20 Dmitry Osipenko
2019-06-04 11:25 ` Thierry Reding
2019-06-04 13:57 ` Dmitry Osipenko
2019-05-03 0:31 ` [PATCH v4 00/16] NVIDIA Tegra devfreq improvements and Tegra20/30 support Chanwoo Choi
2019-05-03 0:52 ` Dmitry Osipenko
2019-06-03 16:52 ` Dmitry Osipenko
2019-06-04 0:49 ` Chanwoo Choi
2019-06-04 23:09 ` Dmitry Osipenko
2019-06-23 17:17 ` Dmitry Osipenko
2019-06-23 23:50 ` Chanwoo Choi
2019-06-24 0:35 ` Dmitry Osipenko
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