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authorVegard Nossum <vegard.nossum@gmail.com>2009-02-20 05:56:38 -0500
committerIngo Molnar <mingo@elte.hu>2009-02-20 06:07:43 -0500
commitecab22aa6dc9d42ca52de2cad0854b4c6bd85ac9 (patch)
treecc9e8fbe1a6106a7298b8107293ff385e38a40fc /arch/x86/kernel/cpu/cpufreq
parent71d8f9784a99991a7571dd20226f5f450dda7f34 (diff)
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>
Diffstat (limited to 'arch/x86/kernel/cpu/cpufreq')
-rw-r--r--arch/x86/kernel/cpu/cpufreq/e_powersaver.c6
-rw-r--r--arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c6
2 files changed, 6 insertions, 6 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)
204 } 204 }
205 /* Enable Enhanced PowerSaver */ 205 /* Enable Enhanced PowerSaver */
206 rdmsrl(MSR_IA32_MISC_ENABLE, val); 206 rdmsrl(MSR_IA32_MISC_ENABLE, val);
207 if (!(val & 1 << 16)) { 207 if (!(val & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP)) {
208 val |= 1 << 16; 208 val |= MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP;
209 wrmsrl(MSR_IA32_MISC_ENABLE, val); 209 wrmsrl(MSR_IA32_MISC_ENABLE, val);
210 /* Can be locked at 0 */ 210 /* Can be locked at 0 */
211 rdmsrl(MSR_IA32_MISC_ENABLE, val); 211 rdmsrl(MSR_IA32_MISC_ENABLE, val);
212 if (!(val & 1 << 16)) { 212 if (!(val & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP)) {
213 printk(KERN_INFO "eps: Can't enable Enhanced PowerSaver\n"); 213 printk(KERN_INFO "eps: Can't enable Enhanced PowerSaver\n");
214 return -ENODEV; 214 return -ENODEV;
215 } 215 }
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index f08998278a3a..c9f1fdc02830 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -390,14 +390,14 @@ static int centrino_cpu_init(struct cpufreq_policy *policy)
390 enable it if not. */ 390 enable it if not. */
391 rdmsr(MSR_IA32_MISC_ENABLE, l, h); 391 rdmsr(MSR_IA32_MISC_ENABLE, l, h);
392 392
393 if (!(l & (1<<16))) { 393 if (!(l & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP)) {
394 l |= (1<<16); 394 l |= MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP;
395 dprintk("trying to enable Enhanced SpeedStep (%x)\n", l); 395 dprintk("trying to enable Enhanced SpeedStep (%x)\n", l);
396 wrmsr(MSR_IA32_MISC_ENABLE, l, h); 396 wrmsr(MSR_IA32_MISC_ENABLE, l, h);
397 397
398 /* check to see if it stuck */ 398 /* check to see if it stuck */
399 rdmsr(MSR_IA32_MISC_ENABLE, l, h); 399 rdmsr(MSR_IA32_MISC_ENABLE, l, h);
400 if (!(l & (1<<16))) { 400 if (!(l & MSR_IA32_MISC_ENABLE_ENHANCED_SPEEDSTEP)) {
401 printk(KERN_INFO PFX 401 printk(KERN_INFO PFX
402 "couldn't enable Enhanced SpeedStep\n"); 402 "couldn't enable Enhanced SpeedStep\n");
403 return -ENODEV; 403 return -ENODEV;