[PATCH] (5/5) CPUfreq /proc/sys/cpu/ add-on patch

CPUFreq 24-API add-on patch for 2.5.39:
kernel/cpufreq.c	cpufreq-24-API
include/linux/cpufreq.h	cpufreq-24-API
arch/i386/config.in	Transmeta LongRun does not work well with cpufreq-24-API
arch/i386/Config.help	help text for CONFIG_CPU_FREQ_24_API

1 files changed, 94 insertions, 0 deletions

diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 8113b0a8289e..5e39e5d0453c 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -155,4 +155,98 @@ int cpufreq_restore(void);
 #endif
 
 
+#ifdef CONFIG_CPU_FREQ_24_API
+/*********************************************************************
+ *                        CPUFREQ 2.4. INTERFACE                     *
+ *********************************************************************/
+int cpufreq_setmax(unsigned int cpu);
+#ifdef CONFIG_PM
+int cpufreq_restore(void);
+#endif
+int cpufreq_set(unsigned int kHz, unsigned int cpu);
+unsigned int cpufreq_get(unsigned int cpu);
+
+/* /proc/sys/cpu */
+enum {
+	CPU_NR   = 1,           /* compatibilty reasons */
+	CPU_NR_0 = 1,
+	CPU_NR_1 = 2,
+	CPU_NR_2 = 3,
+	CPU_NR_3 = 4,
+	CPU_NR_4 = 5,
+	CPU_NR_5 = 6,
+	CPU_NR_6 = 7,
+	CPU_NR_7 = 8,
+	CPU_NR_8 = 9,
+	CPU_NR_9 = 10,
+	CPU_NR_10 = 11,
+	CPU_NR_11 = 12,
+	CPU_NR_12 = 13,
+	CPU_NR_13 = 14,
+	CPU_NR_14 = 15,
+	CPU_NR_15 = 16,
+	CPU_NR_16 = 17,
+	CPU_NR_17 = 18,
+	CPU_NR_18 = 19,
+	CPU_NR_19 = 20,
+	CPU_NR_20 = 21,
+	CPU_NR_21 = 22,
+	CPU_NR_22 = 23,
+	CPU_NR_23 = 24,
+	CPU_NR_24 = 25,
+	CPU_NR_25 = 26,
+	CPU_NR_26 = 27,
+	CPU_NR_27 = 28,
+	CPU_NR_28 = 29,
+	CPU_NR_29 = 30,
+	CPU_NR_30 = 31,
+	CPU_NR_31 = 32,
+};
+
+/* /proc/sys/cpu/{0,1,...,(NR_CPUS-1)} */
+enum {
+	CPU_NR_FREQ_MAX = 1,
+	CPU_NR_FREQ_MIN = 2,
+	CPU_NR_FREQ = 3,
+};
+
+#define CTL_CPU_VARS_SPEED_MAX { \
+                ctl_name: CPU_NR_FREQ_MAX, \
+                data: &cpu_max_freq, \
+                procname: "speed-max", \
+                maxlen:	sizeof(cpu_max_freq),\
+                mode: 0444, \
+                proc_handler: proc_dointvec, }
+
+#define CTL_CPU_VARS_SPEED_MIN { \
+                ctl_name: CPU_NR_FREQ_MIN, \
+                data: &cpu_min_freq, \
+                procname: "speed-min", \
+                maxlen:	sizeof(cpu_min_freq),\
+                mode: 0444, \
+                proc_handler: proc_dointvec, }
+
+#define CTL_CPU_VARS_SPEED(cpunr) { \
+                ctl_name: CPU_NR_FREQ, \
+                procname: "speed", \
+                mode: 0644, \
+                proc_handler: cpufreq_procctl, \
+                strategy: cpufreq_sysctl, \
+                extra1: (void*) (cpunr), }
+
+#define CTL_TABLE_CPU_VARS(cpunr) static ctl_table ctl_cpu_vars_##cpunr[] = {\
+                CTL_CPU_VARS_SPEED_MAX, \
+                CTL_CPU_VARS_SPEED_MIN, \
+                CTL_CPU_VARS_SPEED(cpunr),  \
+                { ctl_name: 0, }, }
+
+/* the ctl_table entry for each CPU */
+#define CPU_ENUM(s) { \
+                ctl_name: (CPU_NR + s), \
+                procname: #s, \
+                mode: 0555, \
+                child: ctl_cpu_vars_##s }
+
+#endif /* CONFIG_CPU_FREQ_24_API */
+
 #endif /* _LINUX_CPUFREQ_H */