mt76: mt7615: wake device before accessing regmap in debugfs

Make sure the device is in full-power before reading regs in debugfs

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 8bb7c64..8894a0a 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
@@ -6,11 +6,16 @@ static int
 mt7615_radar_pattern_set(void *data, u64 val)
 {
        struct mt7615_dev *dev = data;
+       int err;
 
        if (!mt7615_wait_for_mcu_init(dev))
                return 0;
 
-       return mt7615_mcu_rdd_send_pattern(dev);
+       mt7615_mutex_acquire(dev);
+       err = mt7615_mcu_rdd_send_pattern(dev);
+       mt7615_mutex_release(dev);
+
+       return err;
 }
 
 DEFINE_DEBUGFS_ATTRIBUTE(fops_radar_pattern, NULL,
@@ -84,7 +89,10 @@ mt7615_fw_debug_set(void *data, u64 val)
                return 0;
 
        dev->fw_debug = val;
+
+       mt7615_mutex_acquire(dev);
        mt7615_mcu_fw_log_2_host(dev, dev->fw_debug ? 2 : 0);
+       mt7615_mutex_release(dev);
 
        return 0;
 }
@@ -111,6 +119,8 @@ mt7615_reset_test_set(void *data, u64 val)
        if (!mt7615_wait_for_mcu_init(dev))
                return 0;
 
+       mt7615_mutex_acquire(dev);
+
        skb = alloc_skb(1, GFP_KERNEL);
        if (!skb)
                return -ENOMEM;
@@ -118,6 +128,8 @@ mt7615_reset_test_set(void *data, u64 val)
        skb_put(skb, 1);
        mt76_tx_queue_skb_raw(dev, 0, skb, 0);
 
+       mt7615_mutex_release(dev);
+
        return 0;
 }
 
@@ -167,9 +179,13 @@ mt7615_ampdu_stat_read(struct seq_file *file, void *data)
 {
        struct mt7615_dev *dev = file->private;
 
+       mt7615_mutex_acquire(dev);
+
        mt7615_ampdu_stat_read_phy(&dev->phy, file);
        mt7615_ampdu_stat_read_phy(mt7615_ext_phy(dev), file);
 
+       mt7615_mutex_release(dev);
+
        return 0;
 }
 
@@ -221,7 +237,10 @@ static int mt7615_read_temperature(struct seq_file *s, void *data)
                return 0;
 
        /* cpu */
+       mt7615_mutex_acquire(dev);
        temp = mt7615_mcu_get_temperature(dev, 0);
+       mt7615_mutex_release(dev);
+
        seq_printf(s, "Temperature: %d\n", temp);
 
        return 0;
@@ -233,6 +252,8 @@ mt7615_queues_acq(struct seq_file *s, void *data)
        struct mt7615_dev *dev = dev_get_drvdata(s->private);
        int i;
 
+       mt7615_mutex_acquire(dev);
+
        for (i = 0; i < 16; i++) {
                int j, wmm_idx = i % MT7615_MAX_WMM_SETS;
                int acs = i / MT7615_MAX_WMM_SETS;
@@ -253,6 +274,8 @@ mt7615_queues_acq(struct seq_file *s, void *data)
                seq_printf(s, "AC%d%d: queued=%d\n", wmm_idx, acs, qlen);
        }
 
+       mt7615_mutex_release(dev);
+
        return 0;
 }