mt76: mt7615: add idle-timeout knob in mt7615 debugfs

Introduce idle-timeout knob in mt7615 debugfs in order to configure the
idle time to switch to low-power state

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
index 77889becf22eb981f97fc04c27c3ed49dc3956f4..88931658a9fbbf58a7655ad4af659391d585e09c 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
@@ -74,6 +74,29 @@ mt7615_pm_get(void *data, u64 *val)
 
 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7615_pm_get, mt7615_pm_set, "%lld\n");
 
+static int
+mt7615_pm_idle_timeout_set(void *data, u64 val)
+{
+       struct mt7615_dev *dev = data;
+
+       dev->pm.idle_timeout = msecs_to_jiffies(val);
+
+       return 0;
+}
+
+static int
+mt7615_pm_idle_timeout_get(void *data, u64 *val)
+{
+       struct mt7615_dev *dev = data;
+
+       *val = jiffies_to_msecs(dev->pm.idle_timeout);
+
+       return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_pm_idle_timeout, mt7615_pm_idle_timeout_get,
+                        mt7615_pm_idle_timeout_set, "%lld\n");
+
 static int
 mt7615_dbdc_set(void *data, u64 val)
 {
@@ -375,6 +398,8 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
        debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc);
        debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug);
        debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm);
+       debugfs_create_file("idle-timeout", 0600, dir, dev,
+                           &fops_pm_idle_timeout);
        debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir,
                                    mt7615_radio_read);
        debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern);

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index b3f0e2cae040321c6f4aa780e7133a1d025bd218..fc1ebabfebac81bf58bc4579fd483bbfa90640b7 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -456,6 +456,7 @@ void mt7615_init_device(struct mt7615_dev *dev)
        timer_setup(&dev->phy.roc_timer, mt7615_roc_timer, 0);
 
        mt7615_init_wiphy(hw);
+       dev->pm.idle_timeout = MT7615_PM_TIMEOUT;
        dev->mphy.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
        dev->mphy.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
        dev->mphy.sband_5g.sband.vht_cap.cap |=

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index 1c86ecf8fcd981fa0f3e131022647f8afd6299a4..abb81a56e9086197a9afbf1fdef8f134222cad4e 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -1913,7 +1913,7 @@ void mt7615_pm_power_save_sched(struct mt7615_dev *dev)
        dev->pm.last_activity = jiffies;
        if (!test_bit(MT76_STATE_PM, &mphy->state))
                queue_delayed_work(dev->mt76.wq, &dev->pm.ps_work,
-                                  MT7615_PM_TIMEOUT);
+                                  dev->pm.idle_timeout);
 }
 EXPORT_SYMBOL_GPL(mt7615_pm_power_save_sched);
 
@@ -1926,7 +1926,7 @@ void mt7615_pm_power_save_work(struct work_struct *work)
 
        if (mt7615_firmware_own(dev))
                queue_delayed_work(dev->mt76.wq, &dev->pm.ps_work,
-                                  MT7615_PM_TIMEOUT);
+                                  dev->pm.idle_timeout);
 }
 
 static void

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index 9bbfe1168208737fe4d7ff754f788309fd2c5184..9f258270c4359cf0a51e3a0c186f040f7ea81f04 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -313,6 +313,7 @@ struct mt7615_dev {
 
                struct delayed_work ps_work;
                unsigned long last_activity;
+               unsigned long idle_timeout;
        } pm;
 };