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net: cpsw: 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>
This commit is contained in:
Lucas Stach 2015-03-05 22:50:08 +01:00 committed by Sascha Hauer
parent 2addec7bc3
commit d8967a857c
1 changed files with 7 additions and 5 deletions
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12
drivers/net/cpsw.c
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@ -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;
}
@ -886,9 +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_inv_range((ulong)buffer, (ulong)buffer + len);
dma_sync_single_for_device((unsigned long)buffer, len,
DMA_FROM_DEVICE);
cpdma_submit(priv, &priv->rx_chan, buffer, PKTSIZE);
}