wifi: mt76: dma: rely on queue page_frag_cache for wed rx queues

Since mt76_dma_rx_fill() acquires mt76_queue spinlock, rely on mt76_queue
page_frag_cache in mt76_dma_rx_fill() instead of wed rx_buf_ring
page_frag_cache. Get rid of mt76_dma_rx_get_frag_cache since it is no
longer used.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index 931e58c..fad5fe1 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -554,23 +554,9 @@ free_skb:
        return ret;
 }
 
-static struct page_frag_cache *
-mt76_dma_rx_get_frag_cache(struct mt76_dev *dev, struct mt76_queue *q)
-{
-       struct page_frag_cache *rx_page = &q->rx_page;
-
-#ifdef CONFIG_NET_MEDIATEK_SOC_WED
-       if ((q->flags & MT_QFLAG_WED) &&
-           FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_RX)
-               rx_page = &dev->mmio.wed.rx_buf_ring.rx_page;
-#endif
-       return rx_page;
-}
-
 static int
 mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
 {
-       struct page_frag_cache *rx_page = mt76_dma_rx_get_frag_cache(dev, q);
        int len = SKB_WITH_OVERHEAD(q->buf_size);
        int frames = 0, offset = q->buf_offset;
        dma_addr_t addr;
@@ -592,7 +578,7 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
                                break;
                }
 
-               buf = page_frag_alloc(rx_page, q->buf_size, GFP_ATOMIC);
+               buf = page_frag_alloc(&q->rx_page, q->buf_size, GFP_ATOMIC);
                if (!buf)
                        break;