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| author | Bhupesh Sharma <bhupesh.sharma@freescale.com> | 2015-06-15 11:32:49 (GMT) |
|---|---|---|
| committer | Zhengxiong Jin <Jason.Jin@freescale.com> | 2015-06-16 03:32:57 (GMT) |
| commit | bb21962befd975fbc2dc2dfac9c8e163b39adef4 (patch) | |
| tree | 8bb6d54e6e64134c762109917f947a6200d626ee | |
| parent | a4c59bc3d6a518023752ba8f92d83c2de2cb901e (diff) | |
| download | linux-fsl-qoriq-bb21962befd975fbc2dc2dfac9c8e163b39adef4.tar.xz | |
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>
| -rw-r--r-- | drivers/net/can/flexcan.c | 8 |
1 files changed, 8 insertions, 0 deletions
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, ®s->mcr); |