diff options
Diffstat (limited to 'target/linux/ipq806x/patches-4.14/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch')
| -rw-r--r-- | target/linux/ipq806x/patches-4.14/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/target/linux/ipq806x/patches-4.14/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch b/target/linux/ipq806x/patches-4.14/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch index 166964961b..26ea9f3c14 100644 --- a/target/linux/ipq806x/patches-4.14/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch +++ b/target/linux/ipq806x/patches-4.14/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch @@ -12,15 +12,15 @@ Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> --- a/drivers/cpufreq/cpufreq-dt.c +++ b/drivers/cpufreq/cpufreq-dt.c @@ -48,11 +48,41 @@ static int set_target(struct cpufreq_pol - struct private_data *priv = policy->driver_data; - int ret; - unsigned long target_freq = policy->freq_table[index].frequency * 1000; + struct private_data *priv = policy->driver_data; + int ret; + unsigned long target_freq = policy->freq_table[index].frequency * 1000; + struct clk *l2_clk = policy->l2_clk; + unsigned int l2_freq; + unsigned long new_l2_freq = 0; - - mutex_lock(&priv->lock); - ret = dev_pm_opp_set_rate(priv->cpu_dev, target_freq); + + mutex_lock(&priv->lock); + ret = dev_pm_opp_set_rate(priv->cpu_dev, target_freq); - if (!ret) + + if (!ret) { @@ -48,25 +48,25 @@ Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> + } + } + - priv->opp_freq = target_freq; + priv->opp_freq = target_freq; + } + - mutex_unlock(&priv->lock); - - return ret; + mutex_unlock(&priv->lock); + + return ret; @@ -196,6 +226,8 @@ static int cpufreq_init(struct cpufreq_p - const char *name; - int ret; - struct srcu_notifier_head *opp_srcu_head; + const char *name; + int ret; + struct srcu_notifier_head *opp_srcu_head; + struct device_node *l2_np; + struct clk *l2_clk = NULL; - - cpu_dev = get_cpu_device(policy->cpu); - if (!cpu_dev) { + + cpu_dev = get_cpu_device(policy->cpu); + if (!cpu_dev) { @@ -303,6 +335,13 @@ static int cpufreq_init(struct cpufreq_p - - policy->suspend_freq = dev_pm_opp_get_suspend_opp_freq(cpu_dev) / 1000; - + + policy->suspend_freq = dev_pm_opp_get_suspend_opp_freq(cpu_dev) / 1000; + + l2_clk = clk_get(cpu_dev, "l2"); + if (!IS_ERR(l2_clk)) + policy->l2_clk = l2_clk; @@ -74,17 +74,17 @@ Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org> + if (l2_np) + of_property_read_u32_array(l2_np, "qcom,l2-rates", policy->l2_rate, 3); + - ret = cpufreq_table_validate_and_show(policy, freq_table); - if (ret) { - dev_err(cpu_dev, "%s: invalid frequency table: %d\n", __func__, + ret = cpufreq_table_validate_and_show(policy, freq_table); + if (ret) { + dev_err(cpu_dev, "%s: invalid frequency table: %d\n", __func__, --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -73,6 +73,8 @@ struct cpufreq_policy { - unsigned int cpu; /* cpu managing this policy, must be online */ - - struct clk *clk; + unsigned int cpu; /* cpu managing this policy, must be online */ + + struct clk *clk; + struct clk *l2_clk; /* L2 clock */ + unsigned int l2_rate[3]; /* L2 bus clock rate thresholds */ - struct cpufreq_cpuinfo cpuinfo;/* see above */ - - unsigned int min; /* in kHz */ + struct cpufreq_cpuinfo cpuinfo;/* see above */ + + unsigned int min; /* in kHz */ |