On 03/19/2014 11:24 AM, Viresh Kumar wrote:
Two cpufreq notifiers CPUFREQ_RESUMECHANGE and CPUFREQ_SUSPENDCHANGE were unused since sometime. And so better remove them to clean code a bit.
Signed-off-by: Viresh Kumar viresh.kumar@linaro.org
Reviewed-by: Srivatsa S. Bhat srivatsa.bhat@linux.vnet.ibm.com
Regards, Srivatsa S. Bhat
Documentation/cpu-freq/core.txt | 4 ---- arch/arm/kernel/smp.c | 3 +-- arch/arm/kernel/smp_twd.c | 2 +- arch/arm/mach-pxa/viper.c | 3 --- arch/powerpc/oprofile/op_model_cell.c | 3 +-- arch/sparc/kernel/time_64.c | 3 +-- arch/x86/kernel/tsc.c | 3 +-- drivers/cpufreq/cpufreq.c | 3 +-- drivers/pcmcia/sa11xx_base.c | 3 --- drivers/tty/serial/sh-sci.c | 3 +-- include/linux/cpufreq.h | 2 -- 11 files changed, 7 insertions(+), 25 deletions(-)
diff --git a/Documentation/cpu-freq/core.txt b/Documentation/cpu-freq/core.txt index ce0666e..0060d76 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 b7b4c86..7c4fada 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)) {diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c index 6591e26..dfc3213 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 29905b1..41f27f6 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;diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c index 1f0ebde..863d893 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))} diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index c3d82b5..b397e05 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)) {diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index cfbe99f..7a9296a 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 bf7f9c2..d0f0b7b 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 6eecd7c..54d3089 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 be33d2b..7e0b626 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 e5cebce..4c3bcdc 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -320,8 +320,6 @@ 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)