Commit e9f64999 authored Dec 01, 2016 by Gregory CLEMENT Committed by David S. Miller Dec 02, 2016

net: mvneta: Do not allocate buffer in rxq init with HWBM



For HWBM all buffers are allocated in mvneta_bm_construct() and in runtime
they are put into descriptors by hardware. There is no need to fill them
at this point.

Suggested-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Tested-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent ac83b7dd

drivers/net/ethernet/marvell/mvneta.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -2784,14 +2784,14 @@ static int mvneta_rxq_init(struct mvneta_port *pp,
		mvneta_rxq_buf_size_set(pp, rxq,
		MVNETA_RX_BUF_SIZE(pp->pkt_size));
		mvneta_rxq_bm_disable(pp, rxq);
		mvneta_rxq_fill(pp, rxq, rxq->size);
		} else {
		mvneta_rxq_bm_enable(pp, rxq);
		mvneta_rxq_long_pool_set(pp, rxq);
		mvneta_rxq_short_pool_set(pp, rxq);
		mvneta_rxq_non_occup_desc_add(pp, rxq, rxq->size);
		}

		mvneta_rxq_fill(pp, rxq, rxq->size);

		return 0;
		}