Re: [U-Boot] [PATCH v2 2/2] net: davinci_emac: Invalidate only the received portion of a buffer

2016-08-16 Thread Mugunthan V N 
On Monday 15 August 2016 10:53 PM, Karl Beldan wrote:
> ATM when receiving a packet the whole buffer is invalidated, this change
> optimizes this behaviour.
> 
> Signed-off-by: Karl Beldan 

Reviewed-by: Mugunthan V N 

Regards
Mugunthan V N
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Re: [U-Boot] [PATCH v2 2/2] net: davinci_emac: Invalidate only the received portion of a buffer

2016-08-15 Thread Tom Rini 
On Mon, Aug 15, 2016 at 05:23:01PM +, Karl Beldan wrote:

> ATM when receiving a packet the whole buffer is invalidated, this change
> optimizes this behaviour.
> 
> Signed-off-by: Karl Beldan 

Reviewed-by: Tom Rini 

-- 
Tom


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Re: [U-Boot] [PATCH v2 2/2] net: davinci_emac: Invalidate only the received portion of a buffer

2016-08-15 Thread Joe Hershberger 
On Mon, Aug 15, 2016 at 12:23 PM, Karl Beldan  wrote:
> ATM when receiving a packet the whole buffer is invalidated, this change
> optimizes this behaviour.
>
> Signed-off-by: Karl Beldan 

Acked-by: Joe Hershberger 
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[U-Boot] [PATCH v2 2/2] net: davinci_emac: Invalidate only the received portion of a buffer

2016-08-15 Thread Karl Beldan 
ATM when receiving a packet the whole buffer is invalidated, this change
optimizes this behaviour.

Signed-off-by: Karl Beldan 
---
 drivers/net/davinci_emac.c | 10 +-
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 62b7a1d..f43130a 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -676,12 +676,12 @@ static int davinci_eth_rcv_packet (struct eth_device *dev)
printf ("WARN: emac_rcv_pkt: Error in packet\n");
} else {
unsigned long tmp = (unsigned long)rx_curr_desc->buffer;
+   unsigned short len =
+   rx_curr_desc->buff_off_len & 0x;
 
-   invalidate_dcache_range(tmp, tmp + EMAC_RXBUF_SIZE);
-   net_process_received_packet(
-   rx_curr_desc->buffer,
-   rx_curr_desc->buff_off_len & 0x);
-   ret = rx_curr_desc->buff_off_len & 0x;
+   invalidate_dcache_range(tmp, tmp + ALIGN(len, 
PKTALIGN));
+   net_process_received_packet(rx_curr_desc->buffer, len);
+   ret = len;
}
 
/* Ack received packet descriptor */
-- 
2.9.2

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