From bb21962befd975fbc2dc2dfac9c8e163b39adef4 Mon Sep 17 00:00:00 2001
From: Bhupesh Sharma <bhupesh.sharma@freescale.com>
Date: Mon, 15 Jun 2015 17:02:49 +0530
Subject: Test patch: Enable CAN SoC level loopback

This patch enables the SoC level CAN loopback.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@freescale.com>
Change-Id: I5efd40f5d853d11b2476b2bbab0db66c7b1711fa
Reviewed-on: http://git.am.freescale.net:8181/38097
Tested-by: Review Code-CDREVIEW <CDREVIEW@freescale.com>
Reviewed-by: Zhengxiong Jin <Jason.Jin@freescale.com>

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 87c1853..b24352f 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -1012,10 +1012,18 @@ static int flexcan_chip_start(struct net_device *dev)
 	else
 		reg_mcr |= FLEXCAN_MCR_FEN;
 
+#if 0
 	reg_mcr |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT |
 		FLEXCAN_MCR_SUPV | FLEXCAN_MCR_WRN_EN |
 		FLEXCAN_MCR_IDAM_C | FLEXCAN_MCR_SRX_DIS |
 		FLEXCAN_MCR_MAXMB(FLEXCAN_TX_BUF_ID);
+#else
+	reg_mcr |= FLEXCAN_MCR_FRZ | FLEXCAN_MCR_HALT |
+		FLEXCAN_MCR_SUPV | FLEXCAN_MCR_WRN_EN |
+		FLEXCAN_MCR_IDAM_C | FLEXCAN_MCR_MAXMB(FLEXCAN_TX_BUF_ID);
+	reg_mcr &= ~FLEXCAN_MCR_SRX_DIS;
+#endif
+
 	netdev_dbg(dev, "%s: writing mcr=0x%08x", __func__, reg_mcr);
 	priv->write(reg_mcr, &regs->mcr);
 
-- 
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