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 14/17] mt76: mt7615: add runtime-pm knob in mt7615 debugfs
Date: Fri, 26 Jun 2020 23:25:14 +0200 [thread overview]
Message-ID: <dae84ea915466ecc24cc74c77805cabdfc62dc17.1593204577.git.lorenzo@kernel.org> (raw)
In-Reply-To: <cover.1593204577.git.lorenzo@kernel.org>
Introduce runtime-pm knob in mt7615 debugfs in order to enable/disable
runtime pm available in offload firmware
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
.../wireless/mediatek/mt76/mt7615/debugfs.c | 24 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt7615/mac.c | 22 ++++++++++++++++-
.../wireless/mediatek/mt76/mt7615/mt7615.h | 3 +++
3 files changed, 48 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
index b4c196005ebf..357b3c2fc3f9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
@@ -46,6 +46,29 @@ mt7615_scs_get(void *data, u64 *val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_scs, mt7615_scs_get,
mt7615_scs_set, "%lld\n");
+static int
+mt7615_pm_set(void *data, u64 val)
+{
+ struct mt7615_dev *dev = data;
+
+ if (!mt7615_wait_for_mcu_init(dev))
+ return 0;
+
+ return mt7615_pm_set_enable(dev, val);
+}
+
+static int
+mt7615_pm_get(void *data, u64 *val)
+{
+ struct mt7615_dev *dev = data;
+
+ *val = dev->pm.enable;
+
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7615_pm_get, mt7615_pm_set, "%lld\n");
+
static int
mt7615_dbdc_set(void *data, u64 val)
{
@@ -336,6 +359,7 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
debugfs_create_file("scs", 0600, dir, dev, &fops_scs);
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_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/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index 8616bac97963..d3e3112359e8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -1905,7 +1905,8 @@ void mt7615_pm_power_save_sched(struct mt7615_dev *dev)
{
struct mt76_phy *mphy = dev->phy.mt76;
- if (!mt7615_firmware_offload(dev) || !mt76_is_mmio(mphy->dev) ||
+ if (!mt7615_firmware_offload(dev) ||
+ !dev->pm.enable || !mt76_is_mmio(mphy->dev) ||
!test_bit(MT76_STATE_RUNNING, &mphy->state))
return;
@@ -1928,6 +1929,25 @@ void mt7615_pm_power_save_work(struct work_struct *work)
MT7615_PM_TIMEOUT);
}
+int mt7615_pm_set_enable(struct mt7615_dev *dev, bool enable)
+{
+ if (!mt7615_firmware_offload(dev) || !mt76_is_mmio(&dev->mt76))
+ return -EOPNOTSUPP;
+
+ mutex_lock(&dev->mt76.mutex);
+
+ if (dev->pm.enable == enable)
+ goto out;
+
+ dev->pm.enable = enable;
+ if (!enable)
+ cancel_delayed_work_sync(&dev->pm.ps_work);
+out:
+ mutex_unlock(&dev->mt76.mutex);
+
+ return 0;
+}
+
void mt7615_mac_work(struct work_struct *work)
{
struct mt7615_phy *phy;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index 6da0af628c8d..02282b1a00b0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -300,6 +300,8 @@ struct mt7615_dev {
#endif
struct {
+ bool enable;
+
spinlock_t txq_lock;
struct {
struct mt7615_sta *msta;
@@ -441,6 +443,7 @@ bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev);
void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
struct ieee80211_tx_rate *probe_rate,
struct ieee80211_tx_rate *rates);
+int mt7615_pm_set_enable(struct mt7615_dev *dev, bool enable);
void mt7615_pm_wake_work(struct work_struct *work);
int mt7615_pm_wake(struct mt7615_dev *dev);
void mt7615_pm_power_save_sched(struct mt7615_dev *dev);
--
2.26.2
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next prev parent reply other threads:[~2020-06-26 21:26 UTC|newest]
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 ` Lorenzo Bianconi [this message]
2020-06-26 21:25 ` [PATCH 15/17] mt76: mt7615: enable beacon hw filter for runtime-pm Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 16/17] mt76: mt7615: add idle-timeout knob in mt7615 debugfs Lorenzo Bianconi
2020-06-26 21:25 ` [PATCH 17/17] mt76: mt7615: improve mt7615_driver_own reliability Lorenzo Bianconi
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