x86: use symbolic constants for MSR_IA32_MISC_ENABLE bits

Impact: Cleanup. No functional changes.

Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/x86/kernel/cpu/cpufreq/e_powersaver.c b/arch/x86/kernel/cpu/cpufreq/e_powersaver.c
index c2f930d86640..41ab3f064cb1 100644
--- a/arch/x86/kernel/cpu/cpufreq/e_powersaver.c
+++ b/arch/x86/kernel/cpu/cpufreq/e_powersaver.c
@@ -204,12 +204,12 @@ static int eps_cpu_init(struct cpufreq_policy *policy)
         }
         /* Enable Enhanced PowerSaver */
         rdmsrl(MSR_IA32_MISC_ENABLE, val);
-        if (!(val & 1 << 16)) {
-                val |= 1 << 16;
+        if (!(val & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP)) {
+                val |= MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP;
                 wrmsrl(MSR_IA32_MISC_ENABLE, val);
                 /* Can be locked at 0 */
                 rdmsrl(MSR_IA32_MISC_ENABLE, val);
-                if (!(val & 1 << 16)) {
+                if (!(val & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP)) {
                         printk(KERN_INFO "eps: Can't enable Enhanced PowerSaver\n");
                         return -ENODEV;
                 }