From 63c17199888e6b7977d41a22851ee854cffc8103 Mon Sep 17 00:00:00 2001 From: Stefan Lippers-Hollmann Date: Fri, 18 May 2018 04:50:09 +0200 Subject: ipq806x: drop linux 4.9 support Signed-off-by: Stefan Lippers-Hollmann (cherry picked from commit 2819732219904a81205abe0fa3fbe9c06884f119) --- ...ufreq-dt-Add-L2-frequency-scaling-support.patch | 90 ---------------------- 1 file changed, 90 deletions(-) delete mode 100644 target/linux/ipq806x/patches-4.9/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch (limited to 'target/linux/ipq806x/patches-4.9/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch') diff --git a/target/linux/ipq806x/patches-4.9/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch b/target/linux/ipq806x/patches-4.9/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch deleted file mode 100644 index e0ae1f0..0000000 --- a/target/linux/ipq806x/patches-4.9/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch +++ /dev/null @@ -1,90 +0,0 @@ -From 0759cdff49f1cf361bf503c13f7bcb33da43ab95 Mon Sep 17 00:00:00 2001 -From: Georgi Djakov -Date: Tue, 8 Sep 2015 11:24:41 +0300 -Subject: [PATCH 55/69] cpufreq-dt: Add L2 frequency scaling support - -Signed-off-by: Georgi Djakov ---- - drivers/cpufreq/cpufreq-dt.c | 41 ++++++++++++++++++++++++++++++++++++++++- - include/linux/cpufreq.h | 2 ++ - 2 files changed, 42 insertions(+), 1 deletion(-) - ---- 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 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); -- if (!ret) -+ -+ if (!ret) { -+ if (!IS_ERR(l2_clk) && policy->l2_rate[0] && policy->l2_rate[1] && -+ policy->l2_rate[2]) { -+ static unsigned long krait_l2[CONFIG_NR_CPUS] = { }; -+ int cpu, ret = 0; -+ -+ if (target_freq >= policy->l2_rate[2]) -+ new_l2_freq = policy->l2_rate[2]; -+ else if (target_freq >= policy->l2_rate[1]) -+ new_l2_freq = policy->l2_rate[1]; -+ else -+ new_l2_freq = policy->l2_rate[0]; -+ -+ krait_l2[policy->cpu] = new_l2_freq; -+ for_each_present_cpu(cpu) -+ new_l2_freq = max(new_l2_freq, krait_l2[cpu]); -+ -+ l2_freq = clk_get_rate(l2_clk); -+ -+ if (l2_freq != new_l2_freq) { -+ /* scale l2 with the core */ -+ ret = clk_set_rate(l2_clk, new_l2_freq); -+ } -+ } -+ - priv->opp_freq = target_freq; -+ } -+ - mutex_unlock(&priv->lock); - - return ret; -@@ -197,6 +227,8 @@ static int cpufreq_init(struct cpufreq_p - 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) { -@@ -321,6 +353,13 @@ static int cpufreq_init(struct cpufreq_p - policy->suspend_freq = dev_pm_opp_get_freq(suspend_opp) / 1000; - rcu_read_unlock(); - -+ l2_clk = clk_get(cpu_dev, "l2"); -+ if (!IS_ERR(l2_clk)) -+ policy->l2_clk = l2_clk; -+ l2_np = of_find_node_by_name(NULL, "qcom,l2"); -+ 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__, ---- 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; -+ 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 */ -- cgit v1.1