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@xxxxxxxxxx>
---
drivers/net/fec_imx.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
index 5761256..484ea0d 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) {
--
2.1.0
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