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| author | Lucas Stach <dev@lynxeye.de> | 2015-03-05 22:50:12 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-03-06 07:53:48 +0100 |
| commit | aaca81b9f56959aa07ace421bed6a6506a602f9f (patch) | |
| tree | 8558241964da92fa95e54c7150f71f12a5f4ff53 | |
| parent | 5213d76f474f5a4ee78b17555fa91803a38d006b (diff) | |
| download | barebox-aaca81b9f56959aa07ace421bed6a6506a602f9f.tar.gz barebox-aaca81b9f56959aa07ace421bed6a6506a602f9f.tar.xz | |
net: fec: convert to streaming DMA ops
Move to the common streaming DMA ops in order to get rid of
the direct usage of the ARM MMU functions for the cache
maintenance.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| -rw-r--r-- | drivers/net/fec_imx.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c index 266357e551..875905a1bf 100644 --- a/drivers/net/fec_imx.c +++ b/drivers/net/fec_imx.c @@ -31,8 +31,6 @@ #include <of_gpio.h> #include <gpio.h> -#include <asm/mmu.h> - #include "fec_imx.h" struct fec_frame { @@ -479,8 +477,9 @@ static int fec_send(struct eth_device *dev, void *eth_data, int data_length) writew(data_length, &fec->tbd_base[fec->tbd_index].data_length); writel((uint32_t)(eth_data), &fec->tbd_base[fec->tbd_index].data_pointer); - dma_flush_range((unsigned long)eth_data, - (unsigned long)(eth_data + data_length)); + + dma_sync_single_for_device((unsigned long)eth_data, data_length, + DMA_TO_DEVICE); /* * update BD's status now * This block: @@ -503,6 +502,8 @@ static int fec_send(struct eth_device *dev, void *eth_data, int data_length) break; } } + dma_sync_single_for_cpu((unsigned long)eth_data, data_length, + DMA_TO_DEVICE); /* for next transmission use the other buffer */ if (fec->tbd_index) @@ -576,7 +577,11 @@ 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) { |