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/cpsw.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c
index 799fac8..3f8ffa0 100644
--- a/drivers/net/cpsw.c
+++ b/drivers/net/cpsw.c
@@ -21,6 +21,7 @@
#include <init.h>
#include <command.h>
+#include <dma.h>
#include <net.h>
#include <malloc.h>
#include <net.h>
@@ -32,7 +33,6 @@
#include <of_net.h>
#include <of_address.h>
#include <xfuncs.h>
-#include <asm/mmu.h>
#include <asm/system.h>
#include <linux/err.h>
@@ -871,9 +871,9 @@ static int cpsw_send(struct eth_device *edev, void *packet, int length)
dev_dbg(&slave->dev, "%s: %i bytes @ 0x%p\n", __func__, length, packet);
- dma_flush_range((ulong) packet, (ulong)packet + length);
-
+ dma_sync_single_for_device((unsigned long)packet, length, DMA_TO_DEVICE);
ret = cpdma_submit(priv, &priv->tx_chan, packet, length);
+ dma_sync_single_for_cpu((unsigned long)packet, length, DMA_TO_DEVICE);
return ret;
}
@@ -886,8 +886,11 @@ static int cpsw_recv(struct eth_device *edev)
int len;
while (cpdma_process(priv, &priv->rx_chan, &buffer, &len) >= 0) {
- dma_inv_range((ulong)buffer, (ulong)buffer + len);
+ dma_sync_single_for_cpu((unsigned long)buffer, len,
+ DMA_FROM_DEVICE);
net_receive(edev, buffer, len);
+ dma_sync_single_for_device((unsigned long)buffer, len,
+ DMA_FROM_DEVICE);
cpdma_submit(priv, &priv->rx_chan, buffer, PKTSIZE);
}
--
2.1.0
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