From: Shinas Rasheed Date: Tue, 14 Nov 2023 13:45:33 +0000 (-0800) Subject: octeon_ep: remove dma sync in trasmit path X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2fba5069959c50c0e5be95e8d67356c63909cbc2;p=linux.git octeon_ep: remove dma sync in trasmit path Cleanup dma sync calls for scatter gather mappings, since they are coherent allocations and do not need explicit sync to be called. Signed-off-by: Shinas Rasheed Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c index 2c86b911a380f..1c02304677c9e 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c @@ -872,9 +872,6 @@ static netdev_tx_t octep_start_xmit(struct sk_buff *skb, if (dma_mapping_error(iq->dev, dma)) goto dma_map_err; - dma_sync_single_for_cpu(iq->dev, tx_buffer->sglist_dma, - OCTEP_SGLIST_SIZE_PER_PKT, - DMA_TO_DEVICE); memset(sglist, 0, OCTEP_SGLIST_SIZE_PER_PKT); sglist[0].len[3] = len; sglist[0].dma_ptr[0] = dma; @@ -894,10 +891,6 @@ static netdev_tx_t octep_start_xmit(struct sk_buff *skb, frag++; si++; } - dma_sync_single_for_device(iq->dev, tx_buffer->sglist_dma, - OCTEP_SGLIST_SIZE_PER_PKT, - DMA_TO_DEVICE); - hw_desc->dptr = tx_buffer->sglist_dma; }