From 04f922d6fc163d175748e248a17dbf1de6fc66c6 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 7 Jun 2018 06:00:23 -0700 Subject: net: fec_imx: remove unnecessary DMA sync ops The fec receive buffers are coherently mapped, no need to dma_sync on them. Signed-off-by: Sascha Hauer --- drivers/net/fec_imx.c | 4 ---- 1 file changed, 4 deletions(-) (limited to 'drivers') diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c index d506fd64f1..33599dd826 100644 --- a/drivers/net/fec_imx.c +++ b/drivers/net/fec_imx.c @@ -580,11 +580,7 @@ static int fec_recv(struct eth_device *dev) */ frame = phys_to_virt(readl(&rbd->data_pointer)); frame_length = readw(&rbd->data_length) - 4; - dma_sync_single_for_cpu((unsigned long)frame->data, - frame_length, DMA_FROM_DEVICE); net_receive(dev, frame->data, frame_length); - dma_sync_single_for_device((unsigned long)frame->data, - frame_length, DMA_FROM_DEVICE); len = frame_length; } else { if (bd_status & FEC_RBD_ERR) { -- cgit v1.2.3