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Message-ID: <20080522212108.GI28070@redhat.com>
Date: Thu, 22 May 2008 17:21:08 -0400
From: Jason Baron <jbaron@...hat.com>
To: akpm@...ux-foundation.org, joe@...ches.com, greg@...ah.com,
nick@...k-andrew.net, randy.dunlap@...cle.com
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH 8/8] debug printk infrastructure -convert cpufreq
Signed-off-by: Jason Baron <jbaron@...hat.com>
---
arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c | 1 +
arch/x86/kernel/cpu/cpufreq/cpufreq-nforce2.c | 1 +
arch/x86/kernel/cpu/cpufreq/gx-suspmod.c | 1 +
arch/x86/kernel/cpu/cpufreq/longhaul.c | 1 +
arch/x86/kernel/cpu/cpufreq/longrun.c | 1 +
arch/x86/kernel/cpu/cpufreq/p4-clockmod.c | 1 +
arch/x86/kernel/cpu/cpufreq/powernow-k6.c | 1 +
arch/x86/kernel/cpu/cpufreq/powernow-k7.c | 1 +
arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 1 +
arch/x86/kernel/cpu/cpufreq/sc520_freq.c | 1 +
arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c | 1 +
arch/x86/kernel/cpu/cpufreq/speedstep-ich.c | 1 +
arch/x86/kernel/cpu/cpufreq/speedstep-smi.c | 1 +
drivers/cpufreq/cpufreq.c | 5 +++--
drivers/cpufreq/cpufreq_performance.c | 1 +
drivers/cpufreq/cpufreq_powersave.c | 1 +
drivers/cpufreq/cpufreq_userspace.c | 1 +
include/linux/cpufreq.h | 3 ++-
18 files changed, 21 insertions(+), 3 deletions(-)
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index e2d870d..a16b416 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -768,6 +768,7 @@ static int __init acpi_cpufreq_init(void)
{
int ret;
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
dprintk("acpi_cpufreq_init\n");
ret = acpi_cpufreq_early_init();
diff --git a/arch/x86/kernel/cpu/cpufreq/cpufreq-nforce2.c b/arch/x86/kernel/cpu/cpufreq/cpufreq-nforce2.c
index f03e915..45580b1 100644
--- a/arch/x86/kernel/cpu/cpufreq/cpufreq-nforce2.c
+++ b/arch/x86/kernel/cpu/cpufreq/cpufreq-nforce2.c
@@ -422,6 +422,7 @@ static int __init nforce2_init(void)
return -ENODEV;
}
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
return cpufreq_register_driver(&nforce2_driver);
}
diff --git a/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c b/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c
index 9d9eae8..dcc7748 100644
--- a/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c
+++ b/arch/x86/kernel/cpu/cpufreq/gx-suspmod.c
@@ -446,6 +446,7 @@ static int __init cpufreq_gx_init(void)
struct gxfreq_params *params;
struct pci_dev *gx_pci;
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
/* Test if we have the right hardware */
if ((gx_pci = gx_detect_chipset()) == NULL)
return -ENODEV;
diff --git a/arch/x86/kernel/cpu/cpufreq/longhaul.c b/arch/x86/kernel/cpu/cpufreq/longhaul.c
index 06fcce5..fec8b57 100644
--- a/arch/x86/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/x86/kernel/cpu/cpufreq/longhaul.c
@@ -430,6 +430,7 @@ static int __init longhaul_get_ranges(void)
unsigned int ratio;
int mult;
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
/* Get current frequency */
mult = longhaul_get_cpu_mult();
if (mult == -1) {
diff --git a/arch/x86/kernel/cpu/cpufreq/longrun.c b/arch/x86/kernel/cpu/cpufreq/longrun.c
index af4a867..be771e3 100644
--- a/arch/x86/kernel/cpu/cpufreq/longrun.c
+++ b/arch/x86/kernel/cpu/cpufreq/longrun.c
@@ -300,6 +300,7 @@ static int __init longrun_init(void)
{
struct cpuinfo_x86 *c = &cpu_data(0);
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
if (c->x86_vendor != X86_VENDOR_TRANSMETA ||
!cpu_has(c, X86_FEATURE_LONGRUN))
return -ENODEV;
diff --git a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
index 199e4e0..794c0e1 100644
--- a/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
+++ b/arch/x86/kernel/cpu/cpufreq/p4-clockmod.c
@@ -282,6 +282,7 @@ static int __init cpufreq_p4_init(void)
struct cpuinfo_x86 *c = &cpu_data(0);
int ret;
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
/*
* THERM_CONTROL is architectural for IA32 now, so
* we can rely on the capability checks
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
index eb9b62b..efd6a35 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k6.c
@@ -217,6 +217,7 @@ static int __init powernow_k6_init(void)
{
struct cpuinfo_x86 *c = &cpu_data(0);
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
if ((c->x86_vendor != X86_VENDOR_AMD) || (c->x86 != 5) ||
((c->x86_model != 12) && (c->x86_model != 13)))
return -ENODEV;
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
index 0a61159..f508f62 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k7.c
@@ -678,6 +678,7 @@ static struct cpufreq_driver powernow_driver = {
static int __init powernow_init (void)
{
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
if (check_powernow()==0)
return -ENODEV;
return cpufreq_register_driver(&powernow_driver);
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 46d4034..9839f6f 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -1286,6 +1286,7 @@ static int __cpuinit powernowk8_init(void)
{
unsigned int i, supported_cpus = 0;
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
for_each_online_cpu(i) {
if (check_supported_cpu(i))
supported_cpus++;
diff --git a/arch/x86/kernel/cpu/cpufreq/sc520_freq.c b/arch/x86/kernel/cpu/cpufreq/sc520_freq.c
index 42da9bd..eeb0706 100644
--- a/arch/x86/kernel/cpu/cpufreq/sc520_freq.c
+++ b/arch/x86/kernel/cpu/cpufreq/sc520_freq.c
@@ -154,6 +154,7 @@ static int __init sc520_freq_init(void)
struct cpuinfo_x86 *c = &cpu_data(0);
int err;
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
/* Test if we have the right hardware */
if(c->x86_vendor != X86_VENDOR_AMD ||
c->x86 != 4 || c->x86_model != 9) {
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
index 908dd34..2b11d78 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -615,6 +615,7 @@ static int __init centrino_init(void)
{
struct cpuinfo_x86 *cpu = &cpu_data(0);
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
if (!cpu_has(cpu, X86_FEATURE_EST))
return -ENODEV;
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
index 1b50244..172746a 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-ich.c
@@ -393,6 +393,7 @@ static struct cpufreq_driver speedstep_driver = {
*/
static int __init speedstep_init(void)
{
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
/* detect processor */
speedstep_processor = speedstep_detect_processor();
if (!speedstep_processor) {
diff --git a/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c b/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c
index 8a85c93..4b40cf1 100644
--- a/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c
+++ b/arch/x86/kernel/cpu/cpufreq/speedstep-smi.c
@@ -361,6 +361,7 @@ static struct cpufreq_driver speedstep_driver = {
*/
static int __init speedstep_init(void)
{
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
speedstep_processor = speedstep_detect_processor();
switch (speedstep_processor) {
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 35a26a3..ea54337 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -179,7 +179,7 @@ EXPORT_SYMBOL_GPL(cpufreq_cpu_put);
/*********************************************************************
* UNIFIED DEBUG HELPERS *
*********************************************************************/
-#ifdef CONFIG_CPU_FREQ_DEBUG
+#if defined(CONFIG_CPU_FREQ_DEBUG) || defined (CONFIG_DYNAMIC_PRINTK)
/* what part(s) of the CPUfreq subsystem are debugged? */
static unsigned int debug;
@@ -224,7 +224,7 @@ void cpufreq_debug_printk(unsigned int type, const char *prefix,
unsigned long flags;
WARN_ON(!prefix);
- if (type & debug) {
+ if (dev_dbg_enabled(type)) {
spin_lock_irqsave(&disable_ratelimit_lock, flags);
if (!disable_ratelimit && debug_ratelimit
&& !printk_ratelimit()) {
@@ -1889,6 +1889,7 @@ static int __init cpufreq_core_init(void)
{
int cpu;
+ register_dev_dbg_handler(NULL, TYPE_FLAG, NULL, debug);
for_each_possible_cpu(cpu) {
per_cpu(policy_cpu, cpu) = -1;
init_rwsem(&per_cpu(cpu_policy_rwsem, cpu));
diff --git a/drivers/cpufreq/cpufreq_performance.c b/drivers/cpufreq/cpufreq_performance.c
index e8e1451..266967d 100644
--- a/drivers/cpufreq/cpufreq_performance.c
+++ b/drivers/cpufreq/cpufreq_performance.c
@@ -46,6 +46,7 @@ EXPORT_SYMBOL(cpufreq_gov_performance);
static int __init cpufreq_gov_performance_init(void)
{
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
return cpufreq_register_governor(&cpufreq_gov_performance);
}
diff --git a/drivers/cpufreq/cpufreq_powersave.c b/drivers/cpufreq/cpufreq_powersave.c
index 13fe06b..e896d15 100644
--- a/drivers/cpufreq/cpufreq_powersave.c
+++ b/drivers/cpufreq/cpufreq_powersave.c
@@ -44,6 +44,7 @@ static struct cpufreq_governor cpufreq_gov_powersave = {
static int __init cpufreq_gov_powersave_init(void)
{
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
return cpufreq_register_governor(&cpufreq_gov_powersave);
}
diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c
index cb2ac01..76889fc 100644
--- a/drivers/cpufreq/cpufreq_userspace.c
+++ b/drivers/cpufreq/cpufreq_userspace.c
@@ -191,6 +191,7 @@ EXPORT_SYMBOL(cpufreq_gov_userspace);
static int __init cpufreq_gov_userspace_init(void)
{
+ register_dev_dbg_handler("cpufreq", NULL, NULL, NULL);
return cpufreq_register_governor(&cpufreq_gov_userspace);
}
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index ddd8652..ec05304 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -366,8 +366,9 @@ void cpufreq_frequency_table_put_attr(unsigned int cpu);
#define CPUFREQ_DEBUG_DRIVER 2
#define CPUFREQ_DEBUG_GOVERNOR 4
-#ifdef CONFIG_CPU_FREQ_DEBUG
+#if defined(CONFIG_CPU_FREQ_DEBUG) || defined (CONFIG_DYNAMIC_PRINTK)
+#define DEBUG 1
extern void cpufreq_debug_printk(unsigned int type, const char *prefix,
const char *fmt, ...);
--
1.5.4.5
--
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