[xen staging] x86/time: drop pmt_scale_r

[patchbot@xxxxxxx]

commit ec32910f4f871dce0f0e32dfb36f218fa1a2e869
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon Jan 24 08:44:39 2022 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Jan 24 08:44:39 2022 +0100

    x86/time: drop pmt_scale_r
    
    Its only user, ns_to_acpi_pm_tick(), is unused.
    
    Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/x86/include/asm/time.h | 1 -
 xen/arch/x86/time.c             | 7 -------
 2 files changed, 8 deletions(-)

diff --git a/xen/arch/x86/include/asm/time.h b/xen/arch/x86/include/asm/time.h
index f347311cc4..f06f2bfd8b 100644
--- 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);
 
diff --git a/xen/arch/x86/time.c b/xen/arch/x86/time.c
index 7fb760cf55..17f64a6ccd 100644
--- a/xen/arch/x86/time.c
+++ b/xen/arch/x86/time.c
@@ -536,12 +536,10 @@ static struct platform_timesource __initdata plt_pmtimer =
 };
 
 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);
@@ -551,11 +549,6 @@ uint64_t acpi_pm_tick_to_ns(uint64_t ticks)
     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
  */
--
generated by git-patchbot for /home/xen/git/xen.git#staging