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/orion-gbe.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
diff --git a/drivers/net/orion-gbe.c b/drivers/net/orion-gbe.c
index ad1fc66..4235122 100644
--- a/drivers/net/orion-gbe.c
+++ b/drivers/net/orion-gbe.c
@@ -33,7 +33,6 @@
#include <net.h>
#include <of_net.h>
#include <linux/sizes.h>
-#include <asm/mmu.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/mbus.h>
@@ -243,7 +242,7 @@ static int port_send(struct eth_device *edev, void *data, int len)
int ret;
/* flush transmit data */
- dma_flush_range((unsigned long)data, (unsigned long)data+len);
+ dma_sync_single_for_device((unsigned long)data, len, DMA_TO_DEVICE);
txdesc->cmd_sts = TXDESC_OWNED_BY_DMA;
txdesc->cmd_sts |= TXDESC_FIRST | TXDESC_LAST;
@@ -258,6 +257,7 @@ static int port_send(struct eth_device *edev, void *data, int len)
/* wait for packet transmit completion */
ret = wait_on_timeout(TRANSFER_TIMEOUT,
(readl(&txdesc->cmd_sts) & TXDESC_OWNED_BY_DMA) == 0);
+ dma_sync_single_for_cpu((unsigned long)data, len, DMA_TO_DEVICE);
if (ret) {
dev_err(&edev->dev, "transmit timeout\n");
return ret;
@@ -301,12 +301,15 @@ static int port_recv(struct eth_device *edev)
}
/* invalidate current receive buffer */
- dma_inv_range((unsigned long)rxdesc->buf_ptr,
- (unsigned long)rxdesc->buf_ptr +
- ALIGN(PKTSIZE, 8));
+ dma_sync_single_for_cpu((unsigned long)rxdesc->buf_ptr,
+ ALIGN(PKTSIZE, 8), DMA_FROM_DEVICE);
/* received packet is padded with two null bytes */
net_receive(edev, rxdesc->buf_ptr + 0x2, rxdesc->byte_cnt - 0x2);
+
+ dma_sync_single_for_device((unsigned long)rxdesc->buf_ptr,
+ ALIGN(PKTSIZE, 8), DMA_FROM_DEVICE);
+
ret = 0;
recv_err:
--
2.1.0
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