diff options
| author | Prarit Bhargava <[email protected]> | 2016-09-19 08:51:40 -0400 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2016-09-20 01:00:32 +0200 |
| commit | 655e52d2b62458032fc67ff7daaa664af6f36fb5 (patch) | |
| tree | f95fcb753708130c29e9b924909685facbca9dc6 | |
| parent | f99fd22e4d4bc84880a8a3117311bbf0e3a6a9dc (diff) | |
x86/tsc: Use cpu id defines instead of hex constants
asm/intel-family.h contains defines for cpu ids which should be used
instead of hex constants. Convert the switch case in native_calibrate_tsc()
to use the defines before adding more cpu models.
[ tglx: Massaged changelog ]
Signed-off-by: Prarit Bhargava <[email protected]>
Cc: Len Brown <[email protected]>
Cc: Rafael Aquini <[email protected]>
Cc: "Peter Zijlstra (Intel)" <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
| -rw-r--r-- | arch/x86/kernel/tsc.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 78b9cb5a26af..2344758ba8a3 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -23,6 +23,7 @@ #include <asm/x86_init.h> #include <asm/geode.h> #include <asm/apic.h> +#include <asm/intel-family.h> unsigned int __read_mostly cpu_khz; /* TSC clocks / usec, not used here */ EXPORT_SYMBOL(cpu_khz); @@ -686,11 +687,11 @@ unsigned long native_calibrate_tsc(void) if (crystal_khz == 0) { switch (boot_cpu_data.x86_model) { - case 0x4E: /* SKL */ - case 0x5E: /* SKL */ + case INTEL_FAM6_SKYLAKE_MOBILE: + case INTEL_FAM6_SKYLAKE_DESKTOP: crystal_khz = 24000; /* 24.0 MHz */ break; - case 0x5C: /* BXT */ + case INTEL_FAM6_ATOM_GOLDMONT: crystal_khz = 19200; /* 19.2 MHz */ break; } |