commit ecab22aa6dc9d42ca52de2cad0854b4c6bd85ac9
author Vegard Nossum <vegard.nossum@gmail.com> Fri Feb 20 11:56:38 2009 +0100
committer Ingo Molnar <mingo@elte.hu> Fri Feb 20 12:07:43 2009 +0100
tree cc9e8fbe1a6106a7298b8107293ff385e38a40fc
parent 71d8f9784a99991a7571dd20226f5f450dda7f34

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>

arch/x86/kernel/cpu/cpufreq/e_powersaver.c

diff --git a/arch/x86/kernel/cpu/cpufreq/e_powersaver.c b/arch/x86/kernel/cpu/cpufreq/e_powersaver.c
index c2f930d..41ab3f0 100644
--- a/arch/x86/kernel/cpu/cpufreq/e_powersaver.c
+++ b/arch/x86/kernel/cpu/cpufreq/e_powersaver.c
@@ -204,12 +204,12 @@
 	}
 	/* 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;
 		}