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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-03-02 12:44:44 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2018-03-02 12:44:44 +0300
commitb61e0703053321d2cdf397c438ce8d21c7317f7a (patch)
tree31efc64ebf7bb09a8ac3754a2484ef989200ccd7 /drivers
parent0373ca74831b0f93cd4cdbf7ad3aec3c33a479a5 (diff)
parent5c8b2623f6b425d48bdd5a66d7f7dc666b219613 (diff)
downloadlinux-b61e0703053321d2cdf397c438ce8d21c7317f7a.tar.xz
Merge branch 'cpufreq-scpi'
* cpufreq-scpi: cpufreq: scpi: Fix incorrect arm_big_little config dependency cpufreq: scpi: invoke frequency-invariance setter function
Diffstat (limited to 'drivers')
-rw-r--r--drivers/cpufreq/Kconfig.arm6
-rw-r--r--drivers/cpufreq/scpi-cpufreq.c16
2 files changed, 15 insertions, 7 deletions
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 3a88e33b0cfe..fb586e09682d 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -44,10 +44,10 @@ config ARM_DT_BL_CPUFREQ
config ARM_SCPI_CPUFREQ
tristate "SCPI based CPUfreq driver"
- depends on ARM_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
+ depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
help
- This adds the CPUfreq driver support for ARM big.LITTLE platforms
- using SCPI protocol for CPU power management.
+ This adds the CPUfreq driver support for ARM platforms using SCPI
+ protocol for CPU power management.
This driver uses SCPI Message Protocol driver to interact with the
firmware providing the CPU DVFS functionality.
diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c
index c32a833e1b00..d300a163945f 100644
--- a/drivers/cpufreq/scpi-cpufreq.c
+++ b/drivers/cpufreq/scpi-cpufreq.c
@@ -51,15 +51,23 @@ static unsigned int scpi_cpufreq_get_rate(unsigned int cpu)
static int
scpi_cpufreq_set_target(struct cpufreq_policy *policy, unsigned int index)
{
+ unsigned long freq = policy->freq_table[index].frequency;
struct scpi_data *priv = policy->driver_data;
- u64 rate = policy->freq_table[index].frequency * 1000;
+ u64 rate = freq * 1000;
int ret;
ret = clk_set_rate(priv->clk, rate);
- if (!ret && (clk_get_rate(priv->clk) != rate))
- ret = -EIO;
- return ret;
+ if (ret)
+ return ret;
+
+ if (clk_get_rate(priv->clk) != rate)
+ return -EIO;
+
+ arch_set_freq_scale(policy->related_cpus, freq,
+ policy->cpuinfo.max_freq);
+
+ return 0;
}
static int