[PATCH 4.14 009/164] can: flexcan: fix VF610 state transition issue

From: Greg Kroah-Hartman
Date: Tue Dec 12 2017 - 07:47:41 EST


4.14-stable review patch. If anyone has any objections, please let me know.

------------------

From: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>

commit 29c64b17a0bc72232acc45e9533221d88a262efb upstream.

Enable FLEXCAN_QUIRK_BROKEN_PERR_STATE for VF610 to report correct state
transitions.

Tested-by: Mirza Krak <mirza.krak@xxxxxxxxx>
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/net/can/flexcan.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -189,7 +189,7 @@
* MX35 FlexCAN2 03.00.00.00 no no ? no no
* MX53 FlexCAN2 03.00.00.00 yes no no no no
* MX6s FlexCAN3 10.00.12.00 yes yes no no yes
- * VF610 FlexCAN3 ? no yes ? yes yes?
+ * VF610 FlexCAN3 ? no yes no yes yes?
*
* Some SOCs do not have the RX_WARN & TX_WARN interrupt line connected.
*/
@@ -297,7 +297,8 @@ static const struct flexcan_devtype_data

static const struct flexcan_devtype_data fsl_vf610_devtype_data = {
.quirks = FLEXCAN_QUIRK_DISABLE_RXFG | FLEXCAN_QUIRK_ENABLE_EACEN_RRS |
- FLEXCAN_QUIRK_DISABLE_MECR | FLEXCAN_QUIRK_USE_OFF_TIMESTAMP,
+ FLEXCAN_QUIRK_DISABLE_MECR | FLEXCAN_QUIRK_USE_OFF_TIMESTAMP |
+ FLEXCAN_QUIRK_BROKEN_PERR_STATE,
};

static const struct can_bittiming_const flexcan_bittiming_const = {