mt76: mt7921: add deep sleep control to runtime-pm knob

Add addtional the deep sleep control to runtime-pm knob to
allow us to control driver switching between the full power
mode and the deep sleep mode the firmware is able to support.

Reviewed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
index 6602903..c8cba18 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
@@ -250,6 +250,9 @@ mt7921_pm_set(void *data, u64 val)
        ieee80211_iterate_active_interfaces(mphy->hw,
                                            IEEE80211_IFACE_ITER_RESUME_ALL,
                                            mt7921_pm_interface_iter, mphy->priv);
+
+       mt76_connac_mcu_set_deep_sleep(&dev->mt76, !!pm->enable);
+
        mt7921_mutex_release(dev);
 
        return 0;
@@ -268,6 +271,20 @@ mt7921_pm_get(void *data, u64 *val)
 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n");
 
 static int
+mt7921_deep_sleep_set(void *data, u64 val)
+{
+       struct mt7921_dev *dev = data;
+
+       mt7921_mutex_acquire(dev);
+       mt76_connac_mcu_set_deep_sleep(&dev->mt76, !!val);
+       mt7921_mutex_release(dev);
+
+       return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_ds, NULL, mt7921_deep_sleep_set, "%lld\n");
+
+static int
 mt7921_pm_stats(struct seq_file *s, void *data)
 {
        struct mt7921_dev *dev = dev_get_drvdata(s->private);
@@ -358,6 +375,7 @@ int mt7921_init_debugfs(struct mt7921_dev *dev)
        debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset);
        debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir,
                                    mt7921_pm_stats);
+       debugfs_create_file("deep-sleep", 0600, dir, dev, &fops_ds);
 
        return 0;
 }