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[v2,0/7] NVIDIA Tegra clocksource improvements and clean up

Message ID 20190505162436.23125-1-digetx@gmail.com
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Series NVIDIA Tegra clocksource improvements and clean up | expand

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Dmitry Osipenko May 5, 2019, 4:24 p.m. UTC 
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, the newer
Tegra210 is getting support for microsecond clocksource / delay-timer
and the driver's code is getting much cleaner. Note that arch-timer usage
is discouraged on all Tegra's due to the time jitter caused by the CPU
frequency scaling.

The series was extensively tested on Tegra20 and Tegra30.

Changelog:

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.

Dmitry Osipenko (7):
  clocksource/drivers/tegra: Support per-CPU timers on all Tegra's
  clocksource/drivers/tegra: Unify timer code
  clocksource/drivers/tegra: Reset hardware state on init
  clocksource/drivers/tegra: Replace readl/writel with relaxed versions
  clocksource/drivers/tegra: Release all IRQ's on request_irq() error
  clocksource/drivers/tegra: Minor code clean up
  clocksource/drivers/tegra: Use SPDX identifier

 drivers/clocksource/timer-tegra20.c | 272 +++++++++++++---------------
 1 file changed, 121 insertions(+), 151 deletions(-)