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From: Lorenzo Bianconi <lorenzo@kernel.org>
To: nbd@nbd.name
Cc: linux-mediatek@lists.infradead.org, lorenzo.bianconi@redhat.com,
	sean.wang@mediatek.com, linux-wireless@vger.kernel.org,
	ryder.lee@mediatek.com
Subject: [PATCH 16/17] mt76: mt7615: add idle-timeout knob in mt7615 debugfs
Date: Fri, 26 Jun 2020 23:25:16 +0200
Message-ID: <ec71634b8fcfb3f85c2e9ba07b65421e10d3e68c.1593204577.git.lorenzo@kernel.org> (raw)
In-Reply-To: <cover.1593204577.git.lorenzo@kernel.org>

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>
---
 .../wireless/mediatek/mt76/mt7615/debugfs.c   | 25 +++++++++++++++++++
 .../net/wireless/mediatek/mt76/mt7615/init.c  |  1 +
 .../net/wireless/mediatek/mt76/mt7615/mac.c   |  4 +--
 .../wireless/mediatek/mt76/mt7615/mt7615.h    |  1 +
 4 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
index 357b3c2fc3f9..9d58ddae0338 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
@@ -69,6 +69,29 @@ 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)
 {
@@ -360,6 +383,8 @@ 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 e799f93be510..e26cf762e416 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -463,6 +463,7 @@ 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 e93d229a7887..cb61a19bc7ce 100644
--- 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 9591dedee416..d3360196c76a 100644
--- 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;
 };
 
-- 
2.26.2


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  parent reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-26 21:25 [PATCH 00/17] add runtime-pm support to mt7663 driver Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 01/17] mt76: mt7615: avoid polling in fw_own for mt7663 Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 02/17] mt76: move mt76 worqueue in common code Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 03/17] mt76: mt7615: add mt7615_pm_wake utility routine Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 04/17] mt76: mt7615: introduce mt7615_mutex_{acquire, release} utilities Lorenzo Bianconi
2020-07-01 19:26   ` [PATCH 04/17] mt76: mt7615: introduce mt7615_mutex_{acquire,release} utilities Felix Fietkau
2020-06-26 21:25 ` [PATCH 05/17] mt76: mt7615: wake device before accessing regmap in debugfs Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 06/17] mt76: mt7615: wake device before configuring hw keys Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 07/17] mt76: mt7615: introduce pm_power_save delayed work Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 08/17] mt76: mt7615: wake device in mt7615_update_channel before access regmap Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 09/17] mt76: mt7615: acquire driver_own before configuring device for suspend Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 10/17] mt76: mt7615: wake device before pulling packets from mac80211 queues Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 11/17] mt76: mt7615: wake device before pushing frames in mt7615_tx Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 12/17] mt76: mt7615: check MT76_STATE_PM flag before accessing the device Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 13/17] mt76: mt7615: do not request {driver, fw}_own if already granted Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 14/17] mt76: mt7615: add runtime-pm knob in mt7615 debugfs Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 15/17] mt76: mt7615: enable beacon hw filter for runtime-pm Lorenzo Bianconi
2020-06-26 21:25 ` Lorenzo Bianconi [this message]
2020-06-26 21:25 ` [PATCH 17/17] mt76: mt7615: improve mt7615_driver_own reliability Lorenzo Bianconi

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