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| author | Wolfgang Grandegger <wg@grandegger.com> | 2012-10-10 21:10:42 +0200 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2012-10-23 18:43:17 +0200 |
| commit | bb698ca41ba574b3066ebbc5766e5980ae0051ca (patch) | |
| tree | 7553f89934f306b1f64e2d42cd1c35f7c857afe5 /drivers | |
| parent | 37561f68bd527ec39076e32effdc7b1dcdfb17ea (diff) | |
| download | linux-bb698ca41ba574b3066ebbc5766e5980ae0051ca.tar.gz linux-bb698ca41ba574b3066ebbc5766e5980ae0051ca.tar.bz2 linux-bb698ca41ba574b3066ebbc5766e5980ae0051ca.zip | |
can: flexcan: disable bus error interrupts for the i.MX6q
This patch adds some Flexcan version info and removes the feature flag
FLEXCAN_HAS_BROKEN_ERR_STATE for the i.MX6Q. It also has the line [TR]WRN_INT
properly connected.
Cc: Hui Wang <jason77.wang@gmail.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
[mkl: convert to incremental patch]
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/can/flexcan.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index c78ecfca1e45..a412bf6d73ef 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 = { |