From 88d0993dbe84a9b88212a4845fca28bf4c919ffb Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Tue, 26 Nov 2013 23:59:32 +0100 Subject: [PATCH 14/16] bgmac: stuff --- drivers/net/ethernet/broadcom/bgmac.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -120,6 +120,7 @@ static netdev_tx_t bgmac_dma_tx_add(stru struct net_device *net_dev = bgmac->net_dev; struct bgmac_dma_desc *dma_desc; struct bgmac_slot_info *slot; + int size = ring->num_slots * sizeof(struct bgmac_dma_desc); u32 ctl0, ctl1; int free_slots; @@ -160,6 +161,8 @@ static netdev_tx_t bgmac_dma_tx_add(stru dma_desc->ctl0 = cpu_to_le32(ctl0); dma_desc->ctl1 = cpu_to_le32(ctl1); + dma_sync_single_for_device(dma_dev, ring->dma_base, size, DMA_TO_DEVICE); + netdev_sent_queue(net_dev, skb->len); wmb(); @@ -311,6 +314,8 @@ static void bgmac_dma_rx_setup_desc(stru struct bgmac_dma_ring *ring, int desc_idx) { struct bgmac_dma_desc *dma_desc = ring->cpu_base + desc_idx; + struct device *dma_dev = bgmac->core->dma_dev; + int size = ring->num_slots * sizeof(struct bgmac_dma_desc); u32 ctl0 = 0, ctl1 = 0; if (desc_idx == ring->num_slots - 1) @@ -325,6 +330,8 @@ static void bgmac_dma_rx_setup_desc(stru dma_desc->addr_high = cpu_to_le32(upper_32_bits(ring->slots[desc_idx].dma_addr)); dma_desc->ctl0 = cpu_to_le32(ctl0); dma_desc->ctl1 = cpu_to_le32(ctl1); + + dma_sync_single_for_device(dma_dev, ring->dma_base, size, DMA_TO_DEVICE); } static int bgmac_dma_rx_read(struct bgmac *bgmac, struct bgmac_dma_ring *ring,