[PATCH v4 net-next 2/7] net: mvneta: Do not allocate buffer in rxq init with HWBM
From: Gregory CLEMENT <hidden>
Date: 2016-11-29 14:55:46
Also in:
linux-arm-kernel, lkml
Subsystem:
marvell mvneta ethernet driver, networking drivers, the rest · Maintainers:
Marcin Wojtas, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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 <redacted> Signed-off-by: Gregory CLEMENT <redacted> --- drivers/net/ethernet/marvell/mvneta.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 1b84f746d748..f5319c50f8d9 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c@@ -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; }
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