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

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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>
This commit is contained in:
Lorenzo Bianconi 2022-12-08 12:36:10 +01:00 • committed by Felix Fietkau
parent 96f134dc19
commit 4493acad5b
1 changed files with 1 additions and 15 deletions
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16
drivers/net/wireless/mediatek/mt76/dma.c
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@ -554,23 +554,9 @@ free_skb:
return ret; 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 static int
mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q) 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 len = SKB_WITH_OVERHEAD(q->buf_size);
int frames = 0, offset = q->buf_offset; int frames = 0, offset = q->buf_offset;
dma_addr_t addr; dma_addr_t addr;
@ -592,7 +578,7 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
break; 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) if (!buf)
break; break;