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-rw-r--r--drivers/cpufreq/arm_big_little.c3
-rw-r--r--drivers/cpufreq/davinci-cpufreq.c2
-rw-r--r--drivers/cpufreq/dbx500-cpufreq.c3
-rw-r--r--drivers/cpufreq/exynos-cpufreq.c2
-rw-r--r--drivers/cpufreq/exynos5440-cpufreq.c3
-rw-r--r--drivers/cpufreq/imx6q-cpufreq.c1
-rw-r--r--drivers/cpufreq/integrator-cpufreq.c1
-rw-r--r--drivers/cpufreq/kirkwood-cpufreq.c1
-rw-r--r--drivers/cpufreq/omap-cpufreq.c2
-rw-r--r--drivers/cpufreq/pxa2xx-cpufreq.c1
-rw-r--r--drivers/cpufreq/pxa3xx-cpufreq.c1
-rw-r--r--drivers/cpufreq/s3c2416-cpufreq.c2
-rw-r--r--drivers/cpufreq/s3c24xx-cpufreq.c2
-rw-r--r--drivers/cpufreq/s3c64xx-cpufreq.c2
-rw-r--r--drivers/cpufreq/s5pv210-cpufreq.c2
-rw-r--r--drivers/cpufreq/sa1100-cpufreq.c2
-rw-r--r--drivers/cpufreq/sa1110-cpufreq.c2
-rw-r--r--drivers/cpufreq/spear-cpufreq.c2
-rw-r--r--drivers/cpufreq/tegra-cpufreq.c1
-rw-r--r--include/linux/cpufreq.h9
20 files changed, 31 insertions, 13 deletions
diff --git a/drivers/cpufreq/arm_big_little.c b/drivers/cpufreq/arm_big_little.c
index 5519933813ea..72f87e9317e3 100644
--- a/drivers/cpufreq/arm_big_little.c
+++ b/drivers/cpufreq/arm_big_little.c
@@ -488,7 +488,8 @@ static int bL_cpufreq_exit(struct cpufreq_policy *policy)
static struct cpufreq_driver bL_cpufreq_driver = {
.name = "arm-big-little",
.flags = CPUFREQ_STICKY |
- CPUFREQ_HAVE_GOVERNOR_PER_POLICY,
+ CPUFREQ_HAVE_GOVERNOR_PER_POLICY |
+ CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = bL_cpufreq_set_target,
.get = bL_cpufreq_get_rate,
diff --git a/drivers/cpufreq/davinci-cpufreq.c b/drivers/cpufreq/davinci-cpufreq.c
index 5e8a854381b7..04f3390a7a2c 100644
--- a/drivers/cpufreq/davinci-cpufreq.c
+++ b/drivers/cpufreq/davinci-cpufreq.c
@@ -126,7 +126,7 @@ static int davinci_cpu_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver davinci_driver = {
- .flags = CPUFREQ_STICKY,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = davinci_verify_speed,
.target_index = davinci_target,
.get = davinci_getspeed,
diff --git a/drivers/cpufreq/dbx500-cpufreq.c b/drivers/cpufreq/dbx500-cpufreq.c
index 0e67ab96321a..21d9898e000c 100644
--- a/drivers/cpufreq/dbx500-cpufreq.c
+++ b/drivers/cpufreq/dbx500-cpufreq.c
@@ -48,7 +48,8 @@ static int dbx500_cpufreq_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver dbx500_cpufreq_driver = {
- .flags = CPUFREQ_STICKY | CPUFREQ_CONST_LOOPS,
+ .flags = CPUFREQ_STICKY | CPUFREQ_CONST_LOOPS |
+ CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = dbx500_cpufreq_target,
.get = dbx500_cpufreq_getspeed,
diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index f3c22874da75..85e67dc6d072 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -218,7 +218,7 @@ static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver exynos_driver = {
- .flags = CPUFREQ_STICKY,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = exynos_target,
.get = exynos_getspeed,
diff --git a/drivers/cpufreq/exynos5440-cpufreq.c b/drivers/cpufreq/exynos5440-cpufreq.c
index 76bef8b078cb..ffe6faea3a5f 100644
--- a/drivers/cpufreq/exynos5440-cpufreq.c
+++ b/drivers/cpufreq/exynos5440-cpufreq.c
@@ -312,7 +312,8 @@ static int exynos_cpufreq_cpu_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver exynos_driver = {
- .flags = CPUFREQ_STICKY | CPUFREQ_ASYNC_NOTIFICATION,
+ .flags = CPUFREQ_STICKY | CPUFREQ_ASYNC_NOTIFICATION |
+ CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = exynos_target,
.get = exynos_getspeed,
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
index 564a26523ebc..2938257b8c19 100644
--- a/drivers/cpufreq/imx6q-cpufreq.c
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -143,6 +143,7 @@ static int imx6q_cpufreq_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver imx6q_cpufreq_driver = {
+ .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = imx6q_set_target,
.get = imx6q_get_speed,
diff --git a/drivers/cpufreq/integrator-cpufreq.c b/drivers/cpufreq/integrator-cpufreq.c
index 7d8ab000d317..0e27844e8c2d 100644
--- a/drivers/cpufreq/integrator-cpufreq.c
+++ b/drivers/cpufreq/integrator-cpufreq.c
@@ -190,6 +190,7 @@ static int integrator_cpufreq_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver integrator_driver = {
+ .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = integrator_verify_policy,
.target = integrator_set_target,
.get = integrator_get,
diff --git a/drivers/cpufreq/kirkwood-cpufreq.c b/drivers/cpufreq/kirkwood-cpufreq.c
index 0767a4e29dfe..eb7abe345b50 100644
--- a/drivers/cpufreq/kirkwood-cpufreq.c
+++ b/drivers/cpufreq/kirkwood-cpufreq.c
@@ -97,6 +97,7 @@ static int kirkwood_cpufreq_cpu_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver kirkwood_cpufreq_driver = {
+ .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.get = kirkwood_cpufreq_get_cpu_frequency,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = kirkwood_cpufreq_target,
diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index a0acd0bfba40..5de1e5f73eca 100644
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -162,7 +162,7 @@ static int omap_cpu_exit(struct cpufreq_policy *policy)
}
static struct cpufreq_driver omap_driver = {
- .flags = CPUFREQ_STICKY,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = omap_target,
.get = omap_getspeed,
diff --git a/drivers/cpufreq/pxa2xx-cpufreq.c b/drivers/cpufreq/pxa2xx-cpufreq.c
index 0a0f4369636a..a9195a86b069 100644
--- a/drivers/cpufreq/pxa2xx-cpufreq.c
+++ b/drivers/cpufreq/pxa2xx-cpufreq.c
@@ -423,6 +423,7 @@ static int pxa_cpufreq_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver pxa_cpufreq_driver = {
+ .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = pxa_set_target,
.init = pxa_cpufreq_init,
diff --git a/drivers/cpufreq/pxa3xx-cpufreq.c b/drivers/cpufreq/pxa3xx-cpufreq.c
index 93840048dd11..3785687e9d70 100644
--- a/drivers/cpufreq/pxa3xx-cpufreq.c
+++ b/drivers/cpufreq/pxa3xx-cpufreq.c
@@ -201,6 +201,7 @@ static int pxa3xx_cpufreq_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver pxa3xx_cpufreq_driver = {
+ .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = pxa3xx_cpufreq_set,
.init = pxa3xx_cpufreq_init,
diff --git a/drivers/cpufreq/s3c2416-cpufreq.c b/drivers/cpufreq/s3c2416-cpufreq.c
index 8d904a00027b..826b8be23099 100644
--- a/drivers/cpufreq/s3c2416-cpufreq.c
+++ b/drivers/cpufreq/s3c2416-cpufreq.c
@@ -481,7 +481,7 @@ err_hclk:
}
static struct cpufreq_driver s3c2416_cpufreq_driver = {
- .flags = 0,
+ .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = s3c2416_cpufreq_set_target,
.get = s3c2416_cpufreq_get_speed,
diff --git a/drivers/cpufreq/s3c24xx-cpufreq.c b/drivers/cpufreq/s3c24xx-cpufreq.c
index 35fa697e615a..6a1bf96deec0 100644
--- a/drivers/cpufreq/s3c24xx-cpufreq.c
+++ b/drivers/cpufreq/s3c24xx-cpufreq.c
@@ -448,7 +448,7 @@ static int s3c_cpufreq_resume(struct cpufreq_policy *policy)
#endif
static struct cpufreq_driver s3c24xx_driver = {
- .flags = CPUFREQ_STICKY,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.target = s3c_cpufreq_target,
.get = s3c_cpufreq_get,
.init = s3c_cpufreq_init,
diff --git a/drivers/cpufreq/s3c64xx-cpufreq.c b/drivers/cpufreq/s3c64xx-cpufreq.c
index 67e302eeefec..8435f45d7e9d 100644
--- a/drivers/cpufreq/s3c64xx-cpufreq.c
+++ b/drivers/cpufreq/s3c64xx-cpufreq.c
@@ -226,7 +226,7 @@ static int s3c64xx_cpufreq_driver_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver s3c64xx_cpufreq_driver = {
- .flags = 0,
+ .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = s3c64xx_cpufreq_set_target,
.get = s3c64xx_cpufreq_get_speed,
diff --git a/drivers/cpufreq/s5pv210-cpufreq.c b/drivers/cpufreq/s5pv210-cpufreq.c
index e3973dae28a7..ccd548c6f0c1 100644
--- a/drivers/cpufreq/s5pv210-cpufreq.c
+++ b/drivers/cpufreq/s5pv210-cpufreq.c
@@ -560,7 +560,7 @@ static int s5pv210_cpufreq_reboot_notifier_event(struct notifier_block *this,
}
static struct cpufreq_driver s5pv210_driver = {
- .flags = CPUFREQ_STICKY,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = s5pv210_target,
.get = s5pv210_getspeed,
diff --git a/drivers/cpufreq/sa1100-cpufreq.c b/drivers/cpufreq/sa1100-cpufreq.c
index 623da742f8e7..728eab77e8e0 100644
--- a/drivers/cpufreq/sa1100-cpufreq.c
+++ b/drivers/cpufreq/sa1100-cpufreq.c
@@ -201,7 +201,7 @@ static int __init sa1100_cpu_init(struct cpufreq_policy *policy)
}
static struct cpufreq_driver sa1100_driver __refdata = {
- .flags = CPUFREQ_STICKY,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = sa1100_target,
.get = sa11x0_getspeed,
diff --git a/drivers/cpufreq/sa1110-cpufreq.c b/drivers/cpufreq/sa1110-cpufreq.c
index 2c2b2e601d13..546376719d8f 100644
--- a/drivers/cpufreq/sa1110-cpufreq.c
+++ b/drivers/cpufreq/sa1110-cpufreq.c
@@ -312,7 +312,7 @@ static int __init sa1110_cpu_init(struct cpufreq_policy *policy)
/* sa1110_driver needs __refdata because it must remain after init registers
* it with cpufreq_register_driver() */
static struct cpufreq_driver sa1110_driver __refdata = {
- .flags = CPUFREQ_STICKY,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = sa1110_target,
.get = sa11x0_getspeed,
diff --git a/drivers/cpufreq/spear-cpufreq.c b/drivers/cpufreq/spear-cpufreq.c
index 45ea4c094542..c7525fe33407 100644
--- a/drivers/cpufreq/spear-cpufreq.c
+++ b/drivers/cpufreq/spear-cpufreq.c
@@ -162,7 +162,7 @@ static int spear_cpufreq_init(struct cpufreq_policy *policy)
static struct cpufreq_driver spear_cpufreq_driver = {
.name = "cpufreq-spear",
- .flags = CPUFREQ_STICKY,
+ .flags = CPUFREQ_STICKY | CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = spear_cpufreq_target,
.get = spear_cpufreq_get,
diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c
index b7309c37033d..01b5578ffecf 100644
--- a/drivers/cpufreq/tegra-cpufreq.c
+++ b/drivers/cpufreq/tegra-cpufreq.c
@@ -214,6 +214,7 @@ static int tegra_cpu_exit(struct cpufreq_policy *policy)
}
static struct cpufreq_driver tegra_cpufreq_driver = {
+ .flags = CPUFREQ_NEED_INITIAL_FREQ_CHECK,
.verify = cpufreq_generic_frequency_table_verify,
.target_index = tegra_target,
.get = tegra_getspeed,
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 88aa0f342e85..91b8c84e8cd0 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -252,6 +252,15 @@ struct cpufreq_driver {
*/
#define CPUFREQ_ASYNC_NOTIFICATION (1 << 4)
+/*
+ * Set by drivers which want cpufreq core to check if CPU is running at a
+ * frequency present in freq-table exposed by the driver. For these drivers if
+ * CPU is found running at an out of table freq, we will try to set it to a freq
+ * from the table. And if that fails, we will stop further boot process by
+ * issuing a BUG_ON().
+ */
+#define CPUFREQ_NEED_INITIAL_FREQ_CHECK (1 << 5)
+
int cpufreq_register_driver(struct cpufreq_driver *driver_data);
int cpufreq_unregister_driver(struct cpufreq_driver *driver_data);
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