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Searched refs:dma_ring_space (Results 1 – 1 of 1) sorted by relevance

/openbmc/linux/drivers/net/ethernet/calxeda/
H A Dxgmac.c397 #define dma_ring_space(h, t, s) CIRC_SPACE(h, t, s) macro
401 dma_ring_space((p)->tx_head, (p)->tx_tail, DMA_TX_RING_SZ)
683 while (dma_ring_space(priv->rx_head, priv->rx_tail, DMA_RX_RING_SZ) > 1) { in xgmac_rx_refill()