Re: [PATCH v4 00/10] NVIDIA Tegra clocksource driver improvements

Peter De Schrijver
2019-06-04T13:34:00Z

On Mon, Jun 03, 2019 at 09:59:38PM +0300, Dmitry Osipenko wrote:
> Hello,
>
> This series primarily unifies the driver code across all Tegra SoC
> generations. In a result the clocksources are allocated per-CPU on
> older Tegra's and have a higher rating than the arch-timer where
> appropriate, the newer Tegra210 is getting support for microsecond
> clocksource and the driver's code is getting much cleaner.
>
> The series was extensively tested on Tegra20 and Tegra30.
>
> Changelog:
>
> v4: In the comment to v3 Peter De Schrijver pointed out that arch-timer
> isn't affected by DVFS changes and thus it is preferred over tegra-timer
> on [T114, T210). Added new patch to address that: "Lower clocksource
> rating for some Tegra's".
>
> Daniel Lezcano suggested that it will be worthwhile to rename driver's
> source file as driver now covers more SoC generations than it initially
> did. Hence the new "Rename timer-tegra20.c to timer-tegra.c" patch.
>
> v3: Fixed compilation on ARM64. Turned out that it doesn't have the
> delay-timer, thanks to Nicolas Chauvet for the report.
>
> Added new "Support COMPILE_TEST universally" patch for better
> compile-test coverage.
>
> v2: Rebased on recent linux-next. Now all of #ifdef's are removed from the
> code due to the recent patch that generalized persistent clocksource.
>
> Couple other minor cosmetic changes.

Series Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com>