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Date: Thu, 4 Sep 2014 04:38:14 +0800 From: Frank Li <Frank.Li@...escale.com> To: <b38611@...escale.com>, <davem@...emloft.net>, <netdev@...r.kernel.org>, <lznuaa@...il.com> CC: <shawn.guo@...aro.org>, <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>, Fugang Duan <B38611@...escale.com>, Frank Li <Frank.Li@...escale.com> Subject: [Patch net-next 08/11] net:fec: change FEC alignment to 64 bytes for ARM platform From: Fugang Duan <B38611@...escale.com> Since enet-avb has 64 bytes alignment limitation for rx DMA transfer. The previous enet IP for ARM platform has 16 bytes alignment for tx DMA transfer. 64 is the an integral number of 16, so change alignment to 64 bytes for all ARM platform, which don't impact the performance of previous platform. Signed-off-by: Fugang Duan <B38611@...escale.com> Signed-off-by: Frank Li <Frank.Li@...escale.com> --- drivers/net/ethernet/freescale/fec_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index a232245..b388e29f 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -65,7 +65,7 @@ static void set_multicast_list(struct net_device *ndev); #if defined(CONFIG_ARM) -#define FEC_ALIGNMENT 0xf +#define FEC_ALIGNMENT 0x3f #else #define FEC_ALIGNMENT 0x3 #endif -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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