From mboxrd@z Thu Jan 1 00:00:00 1970 From: Troy Kisky Subject: [PATCH net-next 01/40] net: fec: stop the "rcv is not +last, " error messages Date: Thu, 28 Jan 2016 14:25:25 -0700 Message-ID: <1454016364-30985-2-git-send-email-troy.kisky@boundarydevices.com> References: <1454016364-30985-1-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, Troy Kisky To: netdev@vger.kernel.org, davem@davemloft.net, B38611@freescale.com Return-path: Received: from mail-pa0-f54.google.com ([209.85.220.54]:33404 "EHLO mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751740AbcA1V2K (ORCPT ); Thu, 28 Jan 2016 16:28:10 -0500 Received: by mail-pa0-f54.google.com with SMTP id cy9so29197946pac.0 for ; Thu, 28 Jan 2016 13:28:10 -0800 (PST) In-Reply-To: <1454016364-30985-1-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 99d33e2..5144e73 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -65,6 +65,7 @@ #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 502da6f..2c7c845 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -984,6 +984,7 @@ 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 From mboxrd@z Thu Jan 1 00:00:00 1970 From: troy.kisky@boundarydevices.com (Troy Kisky) Date: Thu, 28 Jan 2016 14:25:25 -0700 Subject: [PATCH net-next 01/40] net: fec: stop the "rcv is not +last, " error messages In-Reply-To: <1454016364-30985-1-git-send-email-troy.kisky@boundarydevices.com> References: <1454016364-30985-1-git-send-email-troy.kisky@boundarydevices.com> Message-ID: <1454016364-30985-2-git-send-email-troy.kisky@boundarydevices.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 99d33e2..5144e73 100644 --- a/drivers/net/ethernet/freescale/fec.h +++ b/drivers/net/ethernet/freescale/fec.h @@ -65,6 +65,7 @@ #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 502da6f..2c7c845 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -984,6 +984,7 @@ 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