diff options
| author | Dong Aisheng <b29396@freescale.com> | 2012-08-03 22:03:15 +0800 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2014-06-17 09:27:04 +0200 |
| commit | b8adb5492113e3b1e421e967e2060a061bc85975 (patch) | |
| tree | c19be40aafec8fa110e50c4ec91eec9b98dbdabe | |
| parent | 218fb818df422db5b90d8c3d7accd0ddfd7c52e6 (diff) | |
ENGR00217318-1 flexcan: exit stop mode when resume
Currently flexcan only exits stop mode by remote wakeup,
if system resumes normally, the flexcan may still in stop mode
and can not work anymore.
Change to also exit stop mode during normal resume in case system
is not remote wakeup by flexcan.
Signed-off-by: Dong Aisheng <b29396@freescale.com>
| -rw-r--r-- | drivers/net/can/flexcan.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 467b5355de89..0f0b76f0f566 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -1100,6 +1100,11 @@ static int flexcan_resume(struct platform_device *pdev) if (ret) return ret; + /* remove stop request */ + if (priv->version >= FLEXCAN_VER_10_0_12) + /* CAN1/CAN2_STOP_REQ bit 28/29 in group 13 */ + mxc_iomux_set_gpr_register(13, 28 + priv->id, 1, 0); + priv->can.state = CAN_STATE_ERROR_ACTIVE; if (netif_running(dev)) { |