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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-29 08:46:28 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-29 08:46:28 -0700
commit94b086b243e112030b815b76e61de6523e6fc700 (patch)
tree3c7f2308e7e5afdb276a858c4960754168a92d8c /drivers/net/can/flexcan.c
parent967857dfd990081f6702daebc6c9bc6f4ba7a39e (diff)
parent8f0d8163b50e01f398b14bcd4dc039ac5ab18d64 (diff)
Merge 3.7-rc3 into driver-core-next
This pulls in the various driver core changes that were in 3.7-rc3 into the driver-core-next branch. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/can/flexcan.c')
-rw-r--r--drivers/net/can/flexcan.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index c78ecfca1e4..a412bf6d73e 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -144,9 +144,22 @@
#define FLEXCAN_MB_CODE_MASK (0xf0ffffff)
-/* FLEXCAN hardware feature flags */
+/*
+ * FLEXCAN hardware feature flags
+ *
+ * Below is some version info we got:
+ * SOC Version IP-Version Glitch- [TR]WRN_INT
+ * Filter? connected?
+ * MX25 FlexCAN2 03.00.00.00 no no
+ * MX28 FlexCAN2 03.00.04.00 yes yes
+ * MX35 FlexCAN2 03.00.00.00 no no
+ * MX53 FlexCAN2 03.00.00.00 yes no
+ * MX6s FlexCAN3 10.00.12.00 yes yes
+ *
+ * Some SOCs do not have the RX_WARN & TX_WARN interrupt line connected.
+ */
#define FLEXCAN_HAS_V10_FEATURES BIT(1) /* For core version >= 10 */
-#define FLEXCAN_HAS_BROKEN_ERR_STATE BIT(2) /* Broken error state handling */
+#define FLEXCAN_HAS_BROKEN_ERR_STATE BIT(2) /* [TR]WRN_INT not connected */
/* Structure of the message buffer */
struct flexcan_mb {
@@ -205,7 +218,7 @@ static struct flexcan_devtype_data fsl_p1010_devtype_data = {
};
static struct flexcan_devtype_data fsl_imx28_devtype_data;
static struct flexcan_devtype_data fsl_imx6q_devtype_data = {
- .features = FLEXCAN_HAS_V10_FEATURES | FLEXCAN_HAS_BROKEN_ERR_STATE,
+ .features = FLEXCAN_HAS_V10_FEATURES,
};
static const struct can_bittiming_const flexcan_bittiming_const = {