mt76: sdio: get rid of sched.lock

sched quota is now updated in mt7663s_txrx_worker so there is no more
need of sched.lock mutex
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76.h

@@ -461,7 +461,6 @@ struct mt76_sdio {
 	void *intr_data;
 
 	struct {
-		struct mutex lock;
 		int pse_data_quota;
 		int ple_data_quota;
 		int pse_mcu_quota;

drivers/net/wireless/mediatek/mt76/mt7615/sdio_mcu.c

@@ -19,23 +19,18 @@
 static int mt7663s_mcu_init_sched(struct mt7615_dev *dev)
 {
 	struct mt76_sdio *sdio = &dev->mt76.sdio;
-	u32 pse0, ple, pse1, txdwcnt;
-
-	pse0 = mt76_get_field(dev, MT_PSE_PG_HIF0_GROUP, MT_HIF0_MIN_QUOTA);
-	pse1 = mt76_get_field(dev, MT_PSE_PG_HIF1_GROUP, MT_HIF1_MIN_QUOTA);
-	ple = mt76_get_field(dev, MT_PLE_PG_HIF0_GROUP, MT_HIF0_MIN_QUOTA);
+	u32 txdwcnt;
+
+	sdio->sched.pse_data_quota = mt76_get_field(dev, MT_PSE_PG_HIF0_GROUP,
+						    MT_HIF0_MIN_QUOTA);
+	sdio->sched.pse_mcu_quota = mt76_get_field(dev, MT_PSE_PG_HIF1_GROUP,
+						   MT_HIF1_MIN_QUOTA);
+	sdio->sched.ple_data_quota = mt76_get_field(dev, MT_PLE_PG_HIF0_GROUP,
+						    MT_HIF0_MIN_QUOTA);
 	txdwcnt = mt76_get_field(dev, MT_PP_TXDWCNT,
 				 MT_PP_TXDWCNT_TX1_ADD_DW_CNT);
-
-	mutex_lock(&sdio->sched.lock);
-
-	sdio->sched.pse_data_quota = pse0;
-	sdio->sched.ple_data_quota = ple;
-	sdio->sched.pse_mcu_quota = pse1;
 	sdio->sched.deficit = txdwcnt << 2;
 
-	mutex_unlock(&sdio->sched.lock);
-
 	return 0;
 }
 

drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c

@@ -46,11 +46,9 @@ static int mt7663s_refill_sched_quota(struct mt76_dev *dev, u32 *data)
 	if (!pse_data_quota && !ple_data_quota && !pse_mcu_quota)
 		return 0;
 
-	mutex_lock(&sdio->sched.lock);
 	sdio->sched.pse_mcu_quota += pse_mcu_quota;
 	sdio->sched.pse_data_quota += pse_data_quota;
 	sdio->sched.ple_data_quota += ple_data_quota;
-	mutex_unlock(&sdio->sched.lock);
 
 	return pse_data_quota + ple_data_quota + pse_mcu_quota;
 }
@@ -193,14 +191,12 @@ static int mt7663s_tx_pick_quota(struct mt76_sdio *sdio, enum mt76_txq_id qid,
 static void mt7663s_tx_update_quota(struct mt76_sdio *sdio, enum mt76_txq_id qid,
 				    int pse_size, int ple_size)
 {
-	mutex_lock(&sdio->sched.lock);
 	if (qid == MT_TXQ_MCU) {
 		sdio->sched.pse_mcu_quota -= pse_size;
 	} else {
 		sdio->sched.pse_data_quota -= pse_size;
 		sdio->sched.ple_data_quota -= ple_size;
 	}
-	mutex_unlock(&sdio->sched.lock);
 }
 
 static int __mt7663s_xmit_queue(struct mt76_dev *dev, u8 *data, int len)

drivers/net/wireless/mediatek/mt76/sdio.c

@@ -350,7 +350,6 @@ int mt76s_init(struct mt76_dev *dev, struct sdio_func *func,
 
 	INIT_WORK(&sdio->stat_work, mt76s_tx_status_data);
 
-	mutex_init(&sdio->sched.lock);
 	dev->queue_ops = &sdio_queue_ops;
 	dev->bus = bus_ops;
 	dev->sdio.func = func;