[U-Boot] [PATCH] am335x: cpsw: optimize cpsw_recv to increase network performance
Vladimir Koutny
vladimir.koutny at streamunlimited.com
Thu Nov 28 10:38:40 CET 2013
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 at streamunlimited.com>
Cc: Mugunthan V N <mugunthanvnm at ti.com>
Cc: Joe Hershberger <joe.hershberger at gmail.com>
Cc: Tom Rini <trini at ti.com>
---
drivers/net/cpsw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c
index 39240d9..50167aa 100644
--- a/drivers/net/cpsw.c
+++ b/drivers/net/cpsw.c
@@ -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,
--
1.7.10.4
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