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hyperv_timer.c exports hyperv_cs, which is used by stimers and the timesync mechanism. However, the clocksource dependency is not needed: these mechanisms only depend on the partition reference counter (which can be read via a MSR or via the TSC Reference Page). Introduce the (function) pointer hv_read_reference_counter, as an embodiment of the partition reference counter read, and export it in place of the hyperv_cs pointer. The latter can be removed. This should clarify that there's no relationship between Hyper-V stimers & timesync and the Linux clocksource abstractions. No functional or semantic change. Suggested-by: Michael Kelley <mikelley@microsoft.com> Signed-off-by: Andrea Parri <parri.andrea@gmail.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20200109160650.16150-2-parri.andrea@gmail.com |
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| .. | ||
| arm_arch_timer.h | ||
| hyperv_timer.h | ||
| pxa.h | ||
| samsung_pwm.h | ||
| timer-davinci.h | ||
| timer-sp804.h | ||
| timer-ti-dm.h | ||