cpufreq: remove unused notifier: CPUFREQ_{SUSPENDCHANGE|RESUMECHANGE}

Two cpufreq notifiers CPUFREQ_RESUMECHANGE and CPUFREQ_SUSPENDCHANGE have
not been used for some time, so remove them to clean up code a bit.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
[rjw: Changelog]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

11 files changed, 7 insertions, 25 deletions

diff --git a/Documentation/cpu-freq/core.txt b/Documentation/cpu-freq/core.txt
index ce0666e51036..0060d76b445f 100644
--- a/Documentation/cpu-freq/core.txt
+++ b/Documentation/cpu-freq/core.txt
@@ -92,7 +92,3 @@ values:
 cpu     - number of the affected CPU
 old     - old frequency
 new     - new frequency
-
-If the cpufreq core detects the frequency has changed while the system
-was suspended, these notifiers are called with CPUFREQ_RESUMECHANGE as
-second argument.
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index b7b4c86e338b..7c4fada440f0 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -674,8 +674,7 @@ static int cpufreq_callback(struct notifier_block *nb,
         }
 
         if ((val == CPUFREQ_PRECHANGE  && freq->old < freq->new) ||
-            (val == CPUFREQ_POSTCHANGE && freq->old > freq->new) ||
-            (val == CPUFREQ_RESUMECHANGE || val == CPUFREQ_SUSPENDCHANGE)) {
+            (val == CPUFREQ_POSTCHANGE && freq->old > freq->new)) {
                 loops_per_jiffy = cpufreq_scale(global_l_p_j_ref,
                                                 global_l_p_j_ref_freq,
                                                 freq->new);
diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index 6591e26fc13f..dfc32130bc44 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -166,7 +166,7 @@ static int twd_cpufreq_transition(struct notifier_block *nb,
          * frequency.  The timer is local to a cpu, so cross-call to the
          * changing cpu.
          */
-        if (state == CPUFREQ_POSTCHANGE || state == CPUFREQ_RESUMECHANGE)
+        if (state == CPUFREQ_POSTCHANGE)
                 smp_call_function_single(freqs->cpu, twd_update_frequency,
                         NULL, 1);
 
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 29905b127ad9..41f27f667ca8 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -885,9 +885,6 @@ static int viper_cpufreq_notifier(struct notifier_block *nb,
                         viper_set_core_cpu_voltage(freq->new, 0);
                 }
                 break;
-        case CPUFREQ_RESUMECHANGE:
-                viper_set_core_cpu_voltage(freq->new, 0);
-                break;
         default:
                 /* ignore */
                 break;
diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c
index 1f0ebdeea5f7..863d89386f60 100644
--- a/arch/powerpc/oprofile/op_model_cell.c
+++ b/arch/powerpc/oprofile/op_model_cell.c
@@ -1121,8 +1121,7 @@ oprof_cpufreq_notify(struct notifier_block *nb, unsigned long val, void *data)
         int ret = 0;
         struct cpufreq_freqs *frq = data;
         if ((val == CPUFREQ_PRECHANGE && frq->old < frq->new) ||
-            (val == CPUFREQ_POSTCHANGE && frq->old > frq->new) ||
-            (val == CPUFREQ_RESUMECHANGE || val == CPUFREQ_SUSPENDCHANGE))
+            (val == CPUFREQ_POSTCHANGE && frq->old > frq->new))
                 set_spu_profiling_frequency(frq->new, spu_cycle_reset);
         return ret;
 }
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index c3d82b5f54ca..b397e053b872 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -659,8 +659,7 @@ static int sparc64_cpufreq_notifier(struct notifier_block *nb, unsigned long val
                 ft->clock_tick_ref = cpu_data(cpu).clock_tick;
         }
         if ((val == CPUFREQ_PRECHANGE  && freq->old < freq->new) ||
-            (val == CPUFREQ_POSTCHANGE && freq->old > freq->new) ||
-            (val == CPUFREQ_RESUMECHANGE)) {
+            (val == CPUFREQ_POSTCHANGE && freq->old > freq->new)) {
                 cpu_data(cpu).clock_tick =
                         cpufreq_scale(ft->clock_tick_ref,
                                       ft->ref_freq,
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index cfbe99f88830..7a9296ab8834 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -914,8 +914,7 @@ static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
                 tsc_khz_ref = tsc_khz;
         }
         if ((val == CPUFREQ_PRECHANGE  && freq->old < freq->new) ||
-                        (val == CPUFREQ_POSTCHANGE && freq->old > freq->new) ||
-                        (val == CPUFREQ_RESUMECHANGE)) {
+                        (val == CPUFREQ_POSTCHANGE && freq->old > freq->new)) {
                 *lpj = cpufreq_scale(loops_per_jiffy_ref, ref_freq, freq->new);
 
                 tsc_khz = cpufreq_scale(tsc_khz_ref, ref_freq, freq->new);
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 24cd6ff9bb0b..e3aa9deb40d9 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -264,8 +264,7 @@ static void adjust_jiffies(unsigned long val, struct cpufreq_freqs *ci)
                 pr_debug("saving %lu as reference value for loops_per_jiffy; freq is %u kHz\n",
                          l_p_j_ref, l_p_j_ref_freq);
         }
-        if ((val == CPUFREQ_POSTCHANGE && ci->old != ci->new) ||
-            (val == CPUFREQ_RESUMECHANGE || val == CPUFREQ_SUSPENDCHANGE)) {
+        if (val == CPUFREQ_POSTCHANGE && ci->old != ci->new) {
                 loops_per_jiffy = cpufreq_scale(l_p_j_ref, l_p_j_ref_freq,
                                                                 ci->new);
                 pr_debug("scaling loops_per_jiffy to %lu for frequency %u kHz\n",
diff --git a/drivers/pcmcia/sa11xx_base.c b/drivers/pcmcia/sa11xx_base.c
index 6eecd7cddf57..54d3089d157b 100644
--- a/drivers/pcmcia/sa11xx_base.c
+++ b/drivers/pcmcia/sa11xx_base.c
@@ -125,9 +125,6 @@ sa1100_pcmcia_frequency_change(struct soc_pcmcia_socket *skt,
                 if (freqs->new < freqs->old)
                         sa1100_pcmcia_set_mecr(skt, freqs->new);
                 break;
-        case CPUFREQ_RESUMECHANGE:
-                sa1100_pcmcia_set_mecr(skt, freqs->new);
-                break;
         }
 
         return 0;
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index be33d2b0613b..7e0b62602632 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1041,8 +1041,7 @@ static int sci_notifier(struct notifier_block *self,
 
         sci_port = container_of(self, struct sci_port, freq_transition);
 
-        if ((phase == CPUFREQ_POSTCHANGE) ||
-            (phase == CPUFREQ_RESUMECHANGE)) {
+        if (phase == CPUFREQ_POSTCHANGE) {
                 struct uart_port *port = &sci_port->port;
 
                 spin_lock_irqsave(&port->lock, flags);
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 31c431e150a7..70929bcf1a9d 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -318,8 +318,6 @@ static inline void cpufreq_resume(void) {}
 /* Transition notifiers */
 #define CPUFREQ_PRECHANGE               (0)
 #define CPUFREQ_POSTCHANGE              (1)
-#define CPUFREQ_RESUMECHANGE            (8)
-#define CPUFREQ_SUSPENDCHANGE           (9)
 
 /* Policy Notifiers  */
 #define CPUFREQ_ADJUST                  (0)