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am335x: cpsw: optimize cpsw_recv to increase network performance 

In 48ec5291, only TX path was optimized; this does the same also for RX
path. This results in huge increase of TFTP throughput on custom am3352
board (from 312KiB/s to 1.8MiB/s) and eliminates occasional transfer
timeouts.

Signed-off-by: Vladimir Koutny <vladimir.koutny@streamunlimited.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Cc: Joe Hershberger <joe.hershberger@gmail.com>
Cc: Tom Rini <trini@ti.com>
This commit is contained in:
Vladimir Koutny 2013-11-28 10:38:40 +01:00 committed by Tom Rini
parent 1a59ceb159
commit a67b4401d7
1 changed files with 1 additions and 1 deletions
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2
drivers/net/cpsw.c
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@ -914,7 +914,7 @@ static int cpsw_recv(struct eth_device *dev)
void *buffer;
int len;
cpsw_update_link(priv);
cpsw_check_link(priv);
while (cpdma_process(priv, &priv->rx_chan, &buffer, &len) >= 0) {
invalidate_dcache_range((unsigned long)buffer,