From mboxrd@z Thu Jan 1 00:00:00 1970 From: Troy Kisky Subject: [PATCH net-next V2 1/8] net: fec: stop the "rcv is not +last, " error messages Date: Fri, 5 Feb 2016 14:52:43 -0700 Message-ID: <1454709170-19527-2-git-send-email-troy.kisky@boundarydevices.com> References: <1454709170-19527-1-git-send-email-troy.kisky@boundarydevices.com> Cc: fabio.estevam@freescale.com, l.stach@pengutronix.de, andrew@lunn.ch, tremyfr@gmail.com, linux@arm.linux.org.uk, linux-arm-kernel@lists.infradead.org, laci@boundarydevices.com, shawnguo@kernel.org, johannes@sipsolutions.net, arnd@arndb.de, Troy Kisky To: netdev@vger.kernel.org, davem@davemloft.net, B38611@freescale.com Return-path: Received: from mail-pf0-f169.google.com ([209.85.192.169]:32795 "EHLO mail-pf0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751123AbcBEVzG (ORCPT ); Fri, 5 Feb 2016 16:55:06 -0500 Received: by mail-pf0-f169.google.com with SMTP id w123so75565803pfb.0 for ; Fri, 05 Feb 2016 13:55:06 -0800 (PST) In-Reply-To: <1454709170-19527-1-git-send-email-troy.kisky@boundarydevices.com> Sender: netdev-owner@vger.kernel.org List-ID: Setting the FTRL register will stop the fec from trying to use multiple receive buffers. Signed-off-by: Troy Kisky --- drivers/net/ethernet/freescale/fec.h | 1 + drivers/net/ethernet/freescale/fec_main.c | 1 + 2 files changed, 2 insertions(+) diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h index 2106d72..cc9677a 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -64,6 +64,7 @@ #define FEC_R_FIFO_RSEM 0x194 /* Receive FIFO section empty threshold */ #define FEC_R_FIFO_RAEM 0x198 /* Receive FIFO almost empty threshold */ #define FEC_R_FIFO_RAFL 0x19c /* Receive FIFO almost full threshold */ +#define FEC_FTRL 0x1b0 /* Frame truncation receive length*/ #define FEC_RACC 0x1c4 /* Receive Accelerator function */ #define FEC_RCMR_1 0x1c8 /* Receive classification match ring 1 */ #define FEC_RCMR_2 0x1cc /* Receive classification match ring 2 */ diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 41c81f6..3e5b24a 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -988,6 +988,7 @@ fec_restart(struct net_device *ndev) val &= ~FEC_RACC_OPTIONS; writel(val, fep->hwp + FEC_RACC); } + writel(PKT_MAXBUF_SIZE, fep->hwp + FEC_FTRL); #endif /* -- 2.5.0