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[PATCH] x86/time: drop pmt_scale_r
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 20 Jan 2022 16:46:33 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Thu, 20 Jan 2022 15:46:48 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Its only user, ns_to_acpi_pm_tick(), is unused.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
--- a/xen/arch/x86/include/asm/time.h
+++ b/xen/arch/x86/include/asm/time.h
@@ -48,7 +48,6 @@ void pit_broadcast_exit(void);
int pit_broadcast_is_available(void);
uint64_t acpi_pm_tick_to_ns(uint64_t ticks);
-uint64_t ns_to_acpi_pm_tick(uint64_t ns);
uint64_t tsc_ticks2ns(uint64_t ticks);
--- a/xen/arch/x86/time.c
+++ b/xen/arch/x86/time.c
@@ -535,12 +535,10 @@ static struct platform_timesource __init
};
static struct time_scale __read_mostly pmt_scale;
-static struct time_scale __read_mostly pmt_scale_r;
static __init int init_pmtmr_scale(void)
{
set_time_scale(&pmt_scale, ACPI_PM_FREQUENCY);
- pmt_scale_r = scale_reciprocal(pmt_scale);
return 0;
}
__initcall(init_pmtmr_scale);
@@ -550,11 +548,6 @@ uint64_t acpi_pm_tick_to_ns(uint64_t tic
return scale_delta(ticks, &pmt_scale);
}
-uint64_t ns_to_acpi_pm_tick(uint64_t ns)
-{
- return scale_delta(ns, &pmt_scale_r);
-}
-
/************************************************************
* PLATFORM TIMER 4: TSC
*/
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