[net-next,01/40] net: fec: stop the "rcv is not +last, " error messages

Commit Message

Troy Kisky Jan. 28, 2016, 9:25 p.m. UTC

Setting the FTRL register will stop the fec from
trying to use multiple receive buffers.

Signed-off-by: Troy Kisky <[e-mail]>
---
 drivers/net/ethernet/freescale/fec.h      | 1 +
 drivers/net/ethernet/freescale/fec_main.c | 1 +
 2 files changed, 2 insertions(+)

Patch

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
 
 	/*