quieter speedstep-centrino

Patch to remove speedstep-centrino error messages getting printed by default. Print them only when debug flags are enabled.

The reason for this patch is -
With the multiple drivers model that we have now, any installation will try different drivers one after the other, until one of them succeeds. So, failure to add speedstep-centrino alone doesn't mean error, as some other driver (say acpi.ko) can succeed later and system will still be able to use speedstep. Printing the error whenever speedstep-centrino fails can confuse the enduser.

@@ -239,7 +239,7 @@ static int centrino_cpu_init_table(struc
 
 	if (model->cpu_id == NULL) {
 		/* No match at all */
-		printk(KERN_INFO PFX "no support for CPU model \"%s\": "
+		dprintk("no support for CPU model \"%s\": "
 		       "send /proc/cpuinfo to " MAINTAINER "\n",
 		       cpu->x86_model_id);
 		return -ENOENT;

@@ -247,10 +247,10 @@ static int centrino_cpu_init_table(struc
 
 	if (model->op_points == NULL) {
 		/* Matched a non-match */
-		printk(KERN_INFO PFX "no table support for CPU model \"%s\": \n",
+		dprintk("no table support for CPU model \"%s\": \n",
 		       cpu->x86_model_id);

#ifndef CONFIG_X86_SPEEDSTEP_CENTRINO_ACPI
- printk(KERN_INFO PFX "try compiling with CONFIG_X86_SPEEDSTEP_CENTRINO_ACPI enabled\n");
+ dprintk("try compiling with CONFIG_X86_SPEEDSTEP_CENTRINO_ACPI enabled\n");
#endif
return -ENOENT;
}
@@ -352,7 +352,7 @@ static int centrino_cpu_init_acpi(struct

/* register with ACPI core */
if (acpi_processor_register_performance(&p, cpu)) {
- printk(KERN_INFO PFX "obtaining ACPI data failed\n");
+ dprintk("obtaining ACPI data failed\n");
return -EIO;
}

@@ -450,7 +450,7 @@ static int centrino_cpu_init_acpi(struct
kfree(centrino_model[cpu]);
err_unreg:
acpi_processor_unregister_performance(&p, cpu);
- printk(KERN_INFO PFX "invalid ACPI data\n");
+ dprintk("invalid ACPI data\n");
return (result);
}
#else
@@ -481,7 +481,7 @@ static int centrino_cpu_init(struct cpuf
return -ENODEV;

if (!centrino_cpu[policy->cpu]) {
- printk(KERN_INFO PFX "found unsupported CPU with "
+ dprintk("found unsupported CPU with "
"Enhanced SpeedStep: send /proc/cpuinfo to " MAINTAINER "\n");
return -ENODEV;

Thanks,
Dominik