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authorDominik Brodowski <linux@dominikbrodowski.net>2011-03-27 17:04:46 +0400
committerDave Jones <davej@redhat.com>2011-05-04 19:50:57 +0400
commit2d06d8c49afdcc9bb35a85039fa50f0fe35bd40e (patch)
treed933a68fc71f6e2c3b95b744a87fa1d817bea3d6 /include/linux/cpufreq.h
parent27ecddc2a9f99ce4ac9a59a0acd77f7100b6d034 (diff)
downloadlinux-2d06d8c49afdcc9bb35a85039fa50f0fe35bd40e.tar.xz
[CPUFREQ] use dynamic debug instead of custom infrastructure
With dynamic debug having gained the capability to report debug messages also during the boot process, it offers a far superior interface for debug messages than the custom cpufreq infrastructure. As a first step, remove the old cpufreq_debug_printk() function and replace it with a call to the generic pr_debug() function. How can dynamic debug be used on cpufreq? You need a kernel which has CONFIG_DYNAMIC_DEBUG enabled. To enabled debugging during runtime, mount debugfs and $ echo -n 'module cpufreq +p' > /sys/kernel/debug/dynamic_debug/control for debugging the complete "cpufreq" module. To achieve the same goal during boot, append ddebug_query="module cpufreq +p" as a boot parameter to the kernel of your choice. For more detailled instructions, please see Documentation/dynamic-debug-howto.txt Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/linux/cpufreq.h')
-rw-r--r--include/linux/cpufreq.h19
1 files changed, 0 insertions, 19 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 9343dd3de858..2845f6e67221 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -397,23 +397,4 @@ void cpufreq_frequency_table_get_attr(struct cpufreq_frequency_table *table,
void cpufreq_frequency_table_put_attr(unsigned int cpu);
-/*********************************************************************
- * UNIFIED DEBUG HELPERS *
- *********************************************************************/
-
-#define CPUFREQ_DEBUG_CORE 1
-#define CPUFREQ_DEBUG_DRIVER 2
-#define CPUFREQ_DEBUG_GOVERNOR 4
-
-#ifdef CONFIG_CPU_FREQ_DEBUG
-
-extern void cpufreq_debug_printk(unsigned int type, const char *prefix,
- const char *fmt, ...);
-
-#else
-
-#define cpufreq_debug_printk(msg...) do { } while(0)
-
-#endif /* CONFIG_CPU_FREQ_DEBUG */
-
#endif /* _LINUX_CPUFREQ_H */