[PATCH] add cpufreq debug

From: Oleksandr Natalenko
Date: Wed Aug 13 2014 - 01:54:09 EST

---
arch/arm/kernel/smp.c | 2 ++
arch/arm/kernel/smp_twd.c | 2 ++
arch/arm/mach-pxa/viper.c | 2 ++
arch/arm/mach-s3c24xx/mach-osiris-dvs.c | 2 ++
arch/blackfin/mach-common/dpmc.c | 2 ++
arch/cris/arch-v32/kernel/time.c | 3 +++
arch/powerpc/oprofile/op_model_cell.c | 3 +++
arch/sparc/kernel/time_64.c | 2 ++
arch/x86/kernel/tsc.c | 2 ++
arch/x86/kvm/x86.c | 2 ++
drivers/acpi/processor_perflib.c | 2 ++
drivers/acpi/processor_thermal.c | 2 ++
drivers/cpufreq/cpufreq.c | 1 +
drivers/cpufreq/cpufreq_stats.c | 2 ++
drivers/cpufreq/cris-artpec3-cpufreq.c | 3 +++
drivers/cpufreq/cris-etraxfs-cpufreq.c | 3 +++
drivers/cpufreq/loongson2_cpufreq.c | 2 ++
drivers/cpufreq/ppc_cbe_cpufreq_pmi.c | 2 ++
drivers/gpu/drm/tilcdc/tilcdc_drv.c | 3 +++
drivers/i2c/busses/i2c-davinci.c | 2 ++
drivers/i2c/busses/i2c-s3c2410.c | 2 ++
drivers/macintosh/windfarm_cpufreq_clamp.c | 2 ++
drivers/mmc/host/davinci_mmc.c | 2 ++
drivers/mmc/host/s3cmci.c | 2 ++
drivers/mtd/nand/s3c2410.c | 2 ++
drivers/pcmcia/soc_common.c | 2 ++
drivers/staging/tidspbridge/rmgr/drv_interface.c | 2 ++
drivers/thermal/cpu_cooling.c | 2 ++
drivers/tty/serial/samsung.c | 2 ++
drivers/tty/serial/sh-sci.c | 2 ++
drivers/video/fbdev/da8xx-fb.c | 2 ++
drivers/video/fbdev/nuc900fb.c | 1 +
drivers/video/fbdev/pxafb.c | 2 ++
drivers/video/fbdev/s3c2410fb.c | 2 ++
drivers/video/fbdev/sa1100fb.c | 2 ++
drivers/watchdog/s3c2410_wdt.c | 2 ++
36 files changed, 75 insertions(+)

diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 7c4fada..57dff15 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -660,6 +660,8 @@ static int cpufreq_callback(struct notifier_block *nb,
struct cpufreq_freqs *freq = data;
int cpu = freq->cpu;

+ pr_info("%s\n", __func__);
+
if (freq->flags & CPUFREQ_CONST_LOOPS)
return NOTIFY_OK;

diff --git a/arch/arm/kernel/smp_twd.c b/arch/arm/kernel/smp_twd.c
index dfc3213..986df64 100644
--- a/arch/arm/kernel/smp_twd.c
+++ b/arch/arm/kernel/smp_twd.c
@@ -161,6 +161,8 @@ static int twd_cpufreq_transition(struct notifier_block *nb,
{
struct cpufreq_freqs *freqs = data;

+ pr_info("%s\n", __func__);
+
/*
* The twd clock events must be reprogrammed to account for the new
* frequency. The timer is local to a cpu, so cross-call to the
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 41f27f6..c047617 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -868,6 +868,8 @@ static int viper_cpufreq_notifier(struct notifier_block *nb,
{
struct cpufreq_freqs *freq = data;

+ pr_info("%s\n", __func__);
+
/* TODO: Adjust timings??? */

switch (val) {
diff --git a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
index 33afb91..1caf694 100644
--- a/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
+++ b/arch/arm/mach-s3c24xx/mach-osiris-dvs.c
@@ -61,6 +61,8 @@ static int osiris_dvs_notify(struct notifier_block *nb,
bool new_dvs = is_dvs(&freqs->new);
int ret = 0;

+ pr_info("%s\n", __func__);
+
if (!dvs_en)
return 0;

diff --git a/arch/blackfin/mach-common/dpmc.c b/arch/blackfin/mach-common/dpmc.c
index 724a8c5..1fd9a05 100644
--- a/arch/blackfin/mach-common/dpmc.c
+++ b/arch/blackfin/mach-common/dpmc.c
@@ -103,6 +103,8 @@ vreg_cpufreq_notifier(struct notifier_block *nb, unsigned long val, void *data)
{
struct cpufreq_freqs *freq = data;

+ pr_info("%s\n", __func__);
+
if (freq->cpu != CPUFREQ_CPU)
return 0;

diff --git a/arch/cris/arch-v32/kernel/time.c b/arch/cris/arch-v32/kernel/time.c
index ee66866..b7cb448 100644
--- a/arch/cris/arch-v32/kernel/time.c
+++ b/arch/cris/arch-v32/kernel/time.c
@@ -303,6 +303,9 @@ cris_time_freq_notifier(struct notifier_block *nb, unsigned long val,
void *data)
{
struct cpufreq_freqs *freqs = data;
+
+ pr_info("%s\n", __func__);
+
if (val == CPUFREQ_POSTCHANGE) {
reg_timer_r_tmr0_data data;
reg_timer_rw_tmr0_div div = (freqs->new * 500) / HZ;
diff --git a/arch/powerpc/oprofile/op_model_cell.c b/arch/powerpc/oprofile/op_model_cell.c
index 863d893..283c5d1 100644
--- a/arch/powerpc/oprofile/op_model_cell.c
+++ b/arch/powerpc/oprofile/op_model_cell.c
@@ -1120,6 +1120,9 @@ oprof_cpufreq_notify(struct notifier_block *nb, unsigned long val, void *data)
{
int ret = 0;
struct cpufreq_freqs *frq = data;
+
+ pr_info("%s\n", __func__);
+
if ((val == CPUFREQ_PRECHANGE && frq->old < frq->new) ||
(val == CPUFREQ_POSTCHANGE && frq->old > frq->new))
set_spu_profiling_frequency(frq->new, spu_cycle_reset);
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 3fddf64..af62a1a 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -654,6 +654,8 @@ static int sparc64_cpufreq_notifier(struct notifier_block *nb, unsigned long val
unsigned int cpu = freq->cpu;
struct freq_table *ft = &per_cpu(sparc64_freq_table, cpu);

+ pr_info("%s\n", __func__);
+
if (!ft->ref_freq) {
ft->ref_freq = freq->old;
ft->clock_tick_ref = cpu_data(cpu).clock_tick;
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index ea03031..81b9bbc 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -899,6 +899,8 @@ static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
struct cpufreq_freqs *freq = data;
unsigned long *lpj;

+ pr_info("%s\n", __func__);
+
if (cpu_has(&cpu_data(freq->cpu), X86_FEATURE_CONSTANT_TSC))
return 0;

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index ef432f8..dcba683 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -5402,6 +5402,8 @@ static int kvmclock_cpu_notifier(struct notifier_block *nfb,
{
unsigned int cpu = (unsigned long)hcpu;

+ pr_info("%s\n", __func__);
+
switch (action) {
case CPU_ONLINE:
case CPU_DOWN_FAILED:
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index cfc8aba..eb858f7 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -79,6 +79,8 @@ static int acpi_processor_ppc_notifier(struct notifier_block *nb,
struct acpi_processor *pr;
unsigned int ppc = 0;

+ pr_info("CPUFREQ_NOTIFIER: %s\n", __func__);
+
if (event == CPUFREQ_START && ignore_ppc <= 0) {
ignore_ppc = 0;
return 0;
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index e003663..ef8fcec 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -89,6 +89,8 @@ static int acpi_thermal_cpufreq_notifier(struct notifier_block *nb,
struct cpufreq_policy *policy = data;
unsigned long max_freq = 0;

+ pr_info("CPUFREQ_NOTIFIER: %s\n", __func__);
+
if (event != CPUFREQ_ADJUST)
goto out;

diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 6f02485..9255321 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1764,6 +1764,7 @@ int cpufreq_register_notifier(struct notifier_block *nb, unsigned int list)

switch (list) {
case CPUFREQ_TRANSITION_NOTIFIER:
+ pr_info("Registered transition notifier: %p, (%p)\n", nb->notifier_call, &nb->notifier_call);
ret = srcu_notifier_chain_register(
&cpufreq_transition_notifier_list, nb);
break;
diff --git a/drivers/cpufreq/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c
index 0cd9b4d..aed067c 100644
--- a/drivers/cpufreq/cpufreq_stats.c
+++ b/drivers/cpufreq/cpufreq_stats.c
@@ -298,6 +298,8 @@ static int cpufreq_stat_notifier_trans(struct notifier_block *nb,
struct cpufreq_stats *stat;
int old_index, new_index;

+ pr_info("CPUFREQ_NOTIFIER: %s\n", __func__);
+
if (val != CPUFREQ_POSTCHANGE)
return 0;

diff --git a/drivers/cpufreq/cris-artpec3-cpufreq.c b/drivers/cpufreq/cris-artpec3-cpufreq.c
index 601b88c..357bc51 100644
--- a/drivers/cpufreq/cris-artpec3-cpufreq.c
+++ b/drivers/cpufreq/cris-artpec3-cpufreq.c
@@ -76,6 +76,9 @@ cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val,
{
int i;
struct cpufreq_freqs *freqs = data;
+
+ pr_info("%s\n", __func__);
+
if (val == CPUFREQ_PRECHANGE) {
reg_ddr2_rw_cfg cfg =
REG_RD(ddr2, regi_ddr2_ctrl, rw_cfg);
diff --git a/drivers/cpufreq/cris-etraxfs-cpufreq.c b/drivers/cpufreq/cris-etraxfs-cpufreq.c
index 22b2cdd..acc859d 100644
--- a/drivers/cpufreq/cris-etraxfs-cpufreq.c
+++ b/drivers/cpufreq/cris-etraxfs-cpufreq.c
@@ -76,6 +76,9 @@ cris_sdram_freq_notifier(struct notifier_block *nb, unsigned long val,
{
int i;
struct cpufreq_freqs *freqs = data;
+
+ pr_info("%s\n", __func__);
+
if (val == CPUFREQ_PRECHANGE) {
reg_bif_core_rw_sdram_timing timing =
REG_RD(bif_core, regi_bif_core, rw_sdram_timing);
diff --git a/drivers/cpufreq/loongson2_cpufreq.c b/drivers/cpufreq/loongson2_cpufreq.c
index d4add86..42446f4 100644
--- a/drivers/cpufreq/loongson2_cpufreq.c
+++ b/drivers/cpufreq/loongson2_cpufreq.c
@@ -36,6 +36,8 @@ static struct notifier_block loongson2_cpufreq_notifier_block = {
static int loongson2_cpu_freq_notifier(struct notifier_block *nb,
unsigned long val, void *data)
{
+ pr_info("%s\n", __func__);
+
if (val == CPUFREQ_POSTCHANGE)
current_cpu_data.udelay_val = loops_per_jiffy;

diff --git a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c
index d29e8da..0f1f2b1 100644
--- a/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c
+++ b/drivers/cpufreq/ppc_cbe_cpufreq_pmi.c
@@ -97,6 +97,8 @@ static int pmi_notifier(struct notifier_block *nb,
struct cpufreq_frequency_table *cbe_freqs;
u8 node;

+ pr_info("%s\n", __func__);
+
/* Should this really be called for CPUFREQ_ADJUST, CPUFREQ_INCOMPATIBLE
* and CPUFREQ_NOTIFY policy events?)
*/
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index b20b694..6defd4b 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -102,6 +102,9 @@ static int cpufreq_transition(struct notifier_block *nb,
{
struct tilcdc_drm_private *priv = container_of(nb,
struct tilcdc_drm_private, freq_transition);
+
+ pr_info("%s\n", __func__);
+
if (val == CPUFREQ_POSTCHANGE) {
if (priv->lcd_fck_rate != clk_get_rate(priv->clk)) {
priv->lcd_fck_rate = clk_get_rate(priv->clk);
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index 389bc68..8228027 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -589,6 +589,8 @@ static int i2c_davinci_cpufreq_transition(struct notifier_block *nb,
{
struct davinci_i2c_dev *dev;

+ pr_info("%s\n", __func__);
+
dev = container_of(nb, struct davinci_i2c_dev, freq_transition);
if (val == CPUFREQ_PRECHANGE) {
wait_for_completion(&dev->xfr_complete);
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index e828a1d..0c0ee6b 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -928,6 +928,8 @@ static int s3c24xx_i2c_cpufreq_transition(struct notifier_block *nb,
int delta_f;
int ret;

+ pr_info("%s\n", __func__);
+
delta_f = clk_get_rate(i2c->clk) - i2c->clkrate;

/* if we're post-change and the input clock has slowed down
diff --git a/drivers/macintosh/windfarm_cpufreq_clamp.c b/drivers/macintosh/windfarm_cpufreq_clamp.c
index 72d1fdf..8342ae1 100644
--- a/drivers/macintosh/windfarm_cpufreq_clamp.c
+++ b/drivers/macintosh/windfarm_cpufreq_clamp.c
@@ -22,6 +22,8 @@ static int clamp_notifier_call(struct notifier_block *self,
struct cpufreq_policy *p = data;
unsigned long max_freq;

+ pr_info("%s\n", __func__);
+
if (event != CPUFREQ_ADJUST)
return 0;

diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index 5d4c5e0..bbb5a0e 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -1110,6 +1110,8 @@ static int mmc_davinci_cpufreq_transition(struct notifier_block *nb,
struct mmc_host *mmc;
unsigned long flags;

+ pr_info("%s\n", __func__);
+
host = container_of(nb, struct mmc_davinci_host, freq_transition);
mmc = host->mmc;
mmc_pclk = clk_get_rate(host->clk);
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index f237826..6bbdc6e 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -1451,6 +1451,8 @@ static int s3cmci_cpufreq_transition(struct notifier_block *nb,
unsigned long newclk;
unsigned long flags;

+ pr_info("%s\n", __func__);
+
host = container_of(nb, struct s3cmci_host, freq_transition);
newclk = clk_get_rate(host->clk);
mmc = host->mmc;
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 79acbb8..d8eb2ee 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -686,6 +686,8 @@ static int s3c2410_nand_cpufreq_transition(struct notifier_block *nb,
struct s3c2410_nand_info *info;
unsigned long newclk;

+ pr_info("%s\n", __func__);
+
info = container_of(nb, struct s3c2410_nand_info, freq_transition);
newclk = clk_get_rate(info->clk);

diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c
index a2bc6ee..e67eb30 100644
--- a/drivers/pcmcia/soc_common.c
+++ b/drivers/pcmcia/soc_common.c
@@ -644,6 +644,8 @@ soc_pcmcia_notifier(struct notifier_block *nb, unsigned long val, void *data)
struct cpufreq_freqs *freqs = data;
int ret = 0;

+ pr_info("%s\n", __func__);
+
mutex_lock(&soc_pcmcia_sockets_lock);
list_for_each_entry(skt, &soc_pcmcia_sockets, node)
if (skt->ops->frequency_change)
diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c
index 74d31da..a93e2e4 100644
--- a/drivers/staging/tidspbridge/rmgr/drv_interface.c
+++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c
@@ -380,6 +380,8 @@ static int dspbridge_scale_notification(struct notifier_block *op,
struct omap_dsp_platform_data *pdata =
omap_dspbridge_dev->dev.platform_data;

+ pr_info("%s\n", __func__);
+
if (CPUFREQ_POSTCHANGE == val && pdata->dsp_get_opp)
pwr_pm_post_scale(PRCM_VDD1, pdata->dsp_get_opp());

diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
index 84a75f8..6f42abc 100644
--- a/drivers/thermal/cpu_cooling.c
+++ b/drivers/thermal/cpu_cooling.c
@@ -317,6 +317,8 @@ static int cpufreq_thermal_notifier(struct notifier_block *nb,
struct cpufreq_policy *policy = data;
unsigned long max_freq = 0;

+ pr_info("%s\n", __func__);
+
if (event != CPUFREQ_ADJUST || notify_device == NOTIFY_INVALID)
return 0;

diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index c1d3ebd..0dabb16 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1066,6 +1066,8 @@ static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb,
struct s3c24xx_uart_port *port;
struct uart_port *uport;

+ pr_info("%s\n", __func__);
+
port = container_of(nb, struct s3c24xx_uart_port, freq_transition);
uport = &port->port;

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 88236da..aaa78fa 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1039,6 +1039,8 @@ static int sci_notifier(struct notifier_block *self,
struct sci_port *sci_port;
unsigned long flags;

+ pr_info("%s\n", __func__);
+
sci_port = container_of(self, struct sci_port, freq_transition);

if (phase == CPUFREQ_POSTCHANGE) {
diff --git a/drivers/video/fbdev/da8xx-fb.c b/drivers/video/fbdev/da8xx-fb.c
index a8484f7..4edf809 100644
--- a/drivers/video/fbdev/da8xx-fb.c
+++ b/drivers/video/fbdev/da8xx-fb.c
@@ -1048,6 +1048,8 @@ static int lcd_da8xx_cpufreq_transition(struct notifier_block *nb,
{
struct da8xx_fb_par *par;

+ pr_info("%s\n", __func__);
+
par = container_of(nb, struct da8xx_fb_par, freq_transition);
if (val == CPUFREQ_POSTCHANGE) {
if (par->lcdc_clk_rate != clk_get_rate(par->lcdc_clk)) {
diff --git a/drivers/video/fbdev/nuc900fb.c b/drivers/video/fbdev/nuc900fb.c
index 478f980..a2d62bc 100644
--- a/drivers/video/fbdev/nuc900fb.c
+++ b/drivers/video/fbdev/nuc900fb.c
@@ -484,6 +484,7 @@ static inline void nuc900fb_cpufreq_deregister(struct nuc900fb_info *fbi)
static inline int nuc900fb_cpufreq_transition(struct notifier_block *nb,
unsigned long val, void *data)
{
+ pr_info("%s\n", __func__);
return 0;
}

diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c
index 1ecd9ce..227eec7 100644
--- a/drivers/video/fbdev/pxafb.c
+++ b/drivers/video/fbdev/pxafb.c
@@ -1640,6 +1640,8 @@ pxafb_freq_transition(struct notifier_block *nb, unsigned long val, void *data)
/* TODO struct cpufreq_freqs *f = data; */
u_int pcd;

+ pr_info("%s\n", __func__);
+
switch (val) {
case CPUFREQ_PRECHANGE:
#ifdef CONFIG_FB_PXA_OVERLAY
diff --git a/drivers/video/fbdev/s3c2410fb.c b/drivers/video/fbdev/s3c2410fb.c
index 81af5a6..eae9fc5 100644
--- a/drivers/video/fbdev/s3c2410fb.c
+++ b/drivers/video/fbdev/s3c2410fb.c
@@ -776,6 +776,8 @@ static int s3c2410fb_cpufreq_transition(struct notifier_block *nb,
struct fb_info *fbinfo;
long delta_f;

+ pr_info("%s\n", __func__);
+
info = container_of(nb, struct s3c2410fb_info, freq_transition);
fbinfo = platform_get_drvdata(to_platform_device(info->dev));

diff --git a/drivers/video/fbdev/sa1100fb.c b/drivers/video/fbdev/sa1100fb.c
index 580c444..da092bd 100644
--- a/drivers/video/fbdev/sa1100fb.c
+++ b/drivers/video/fbdev/sa1100fb.c
@@ -1006,6 +1006,8 @@ sa1100fb_freq_transition(struct notifier_block *nb, unsigned long val,
struct cpufreq_freqs *f = data;
u_int pcd;

+ pr_info("%s\n", __func__);
+
switch (val) {
case CPUFREQ_PRECHANGE:
set_ctrlr_state(fbi, C_DISABLE_CLKCHANGE);
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index 7c6ccd0..a01b11b 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -379,6 +379,8 @@ static int s3c2410wdt_cpufreq_transition(struct notifier_block *nb,
int ret;
struct s3c2410_wdt *wdt = freq_to_wdt(nb);

+ pr_info("%s\n", __func__);
+
if (!s3c2410wdt_is_running(wdt))
goto done;

--
1.9.1


--nextPart1741808.8bflPRIdRA--

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