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>
(cherry picked from commit 0b443ead714f0cba797a7f2476dd756f22b5421e)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/Documentation/cpu-freq/core.txt b/Documentation/cpu-freq/core.txt
index ce0666e..0060d76 100644 (file)
--- 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 b7b4c86..7c4fada 100644 (file)
--- 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 6591e26..dfc3213 100644 (file)
--- 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 29905b1..41f27f6 100644 (file)
--- 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 1f0ebde..863d893 100644 (file)
--- 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 c3d82b5..b397e05 100644 (file)
--- 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 de02906..3594fea 100644 (file)
--- 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 4854f81..b4cd343 100644 (file)
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -257,8 +257,7 @@ 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 "

diff --git a/drivers/pcmcia/sa11xx_base.c b/drivers/pcmcia/sa11xx_base.c
index 6eecd7c..54d3089 100644 (file)
--- 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 7ee5a79..88236da 100644 (file)
--- 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 4d89e0e..945313c 100644 (file)
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -306,8 +306,6 @@ cpufreq_verify_within_cpu_limits(struct cpufreq_policy *policy)
 /* Transition notifiers */
 #define CPUFREQ_PRECHANGE              (0)
 #define CPUFREQ_POSTCHANGE             (1)
-#define CPUFREQ_RESUMECHANGE           (8)
-#define CPUFREQ_SUSPENDCHANGE          (9)
 
 /* Policy Notifiers  */
 #define CPUFREQ_ADJUST                 (0)