Merge remote-tracking branch 'wireless/main' into wireless-next

Pull in wireless/main content since some new code would
otherwise conflict with it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 19 insertions, 5 deletions

diff --git a/drivers/cpufreq/qcom-cpufreq-hw.c b/drivers/cpufreq/qcom-cpufreq-hw.c
index d5ef3c66c762..833589bc95e4 100644
--- a/drivers/cpufreq/qcom-cpufreq-hw.c
+++ b/drivers/cpufreq/qcom-cpufreq-hw.c
@@ -13,6 +13,7 @@
 #include <linux/of_address.h>
 #include <linux/of_platform.h>
 #include <linux/pm_opp.h>
+#include <linux/pm_qos.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/units.h>
@@ -56,6 +57,8 @@ struct qcom_cpufreq_data {
 	struct cpufreq_policy *policy;
 
 	bool per_core_dcvs;
+
+	struct freq_qos_request throttle_freq_req;
 };
 
 static unsigned long cpu_hw_rate, xo_rate;
@@ -316,14 +319,16 @@ static void qcom_lmh_dcvs_notify(struct qcom_cpufreq_data *data)
 	if (IS_ERR(opp)) {
 		dev_warn(dev, "Can't find the OPP for throttling: %pe!\n", opp);
 	} else {
-		throttled_freq = freq_hz / HZ_PER_KHZ;
-
-		/* Update thermal pressure (the boost frequencies are accepted) */
-		arch_update_thermal_pressure(policy->related_cpus, throttled_freq);
-
 		dev_pm_opp_put(opp);
 	}
 
+	throttled_freq = freq_hz / HZ_PER_KHZ;
+
+	freq_qos_update_request(&data->throttle_freq_req, throttled_freq);
+
+	/* Update thermal pressure (the boost frequencies are accepted) */
+	arch_update_thermal_pressure(policy->related_cpus, throttled_freq);
+
 	/*
 	 * In the unlikely case policy is unregistered do not enable
 	 * polling or h/w interrupt
@@ -413,6 +418,14 @@ static int qcom_cpufreq_hw_lmh_init(struct cpufreq_policy *policy, int index)
 	if (data->throttle_irq < 0)
 		return data->throttle_irq;
 
+	ret = freq_qos_add_request(&policy->constraints,
+				   &data->throttle_freq_req, FREQ_QOS_MAX,
+				   FREQ_QOS_MAX_DEFAULT_VALUE);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to add freq constraint (%d)\n", ret);
+		return ret;
+	}
+
 	data->cancel_throttle = false;
 	data->policy = policy;
 
@@ -479,6 +492,7 @@ static void qcom_cpufreq_hw_lmh_exit(struct qcom_cpufreq_data *data)
 	if (data->throttle_irq <= 0)
 		return;
 
+	freq_qos_remove_request(&data->throttle_freq_req);
 	free_irq(data->throttle_irq, data);
 }