extern struct system_counterval_t convert_art_to_tsc(u64 art);
+extern void tsc_early_delay_calibrate(void);
extern void tsc_init(void);
extern void mark_tsc_unstable(char *reason);
extern int unsynchronized_tsc(void);
return 0;
}
-static void __init simple_udelay_calibration(void)
-{
- unsigned int tsc_khz, cpu_khz;
- unsigned long lpj;
-
- if (!boot_cpu_has(X86_FEATURE_TSC))
- return;
-
- cpu_khz = x86_platform.calibrate_cpu();
- tsc_khz = x86_platform.calibrate_tsc();
-
- tsc_khz = tsc_khz ? : cpu_khz;
- if (!tsc_khz)
- return;
-
- lpj = tsc_khz * 1000;
- do_div(lpj, HZ);
- loops_per_jiffy = lpj;
-}
-
/*
* Determine if we were loaded by an EFI loader. If so, then we have also been
* passed the efi memmap, systab, etc., so we should use these data structures
*/
init_hypervisor_platform();
- simple_udelay_calibration();
+ tsc_early_delay_calibrate();
x86_init.resources.probe_roms();
*/
device_initcall(init_tsc_clocksource);
+void __init tsc_early_delay_calibrate(void)
+{
+ unsigned long lpj;
+
+ if (!boot_cpu_has(X86_FEATURE_TSC))
+ return;
+
+ cpu_khz = x86_platform.calibrate_cpu();
+ tsc_khz = x86_platform.calibrate_tsc();
+
+ tsc_khz = tsc_khz ? : cpu_khz;
+ if (!tsc_khz)
+ return;
+
+ lpj = tsc_khz * 1000;
+ do_div(lpj, HZ);
+ loops_per_jiffy = lpj;
+}
+
void __init tsc_init(void)
{
u64 lpj, cyc;