diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2012-02-28 12:33:41 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-02-28 12:33:46 +0000 |
| commit | abf45ce84c4e36bd64aef20d7df9a79bd5e4b799 (patch) | |
| tree | f118e135bdd60b680703d1b38c7fdc7b9d7c503d /drivers/net/can/flexcan.c | |
| parent | 082f53c2f573c75a8f1610c587a43b6817e20f90 (diff) | |
| parent | b1f91a9ce335eb4e0fef17c10f39a438ac3fce9b (diff) | |
Merge branch 'imx/defconfig' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/soc
* 'imx/defconfig' of git://git.linaro.org/people/shawnguo/linux-2.6: (2 commits)
ARM: defconfig: imx_v6_v7: build in REGULATOR_FIXED_VOLTAGE
ARM: imx: update imx_v6_v7_defconfig
(upadte to v3.3-rc5)
Diffstat (limited to 'drivers/net/can/flexcan.c')
| -rw-r--r-- | drivers/net/can/flexcan.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 7fd8089946f..96d235799ec 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -118,6 +118,9 @@ (FLEXCAN_ESR_TWRN_INT | FLEXCAN_ESR_RWRN_INT | FLEXCAN_ESR_BOFF_INT) #define FLEXCAN_ESR_ERR_ALL \ (FLEXCAN_ESR_ERR_BUS | FLEXCAN_ESR_ERR_STATE) +#define FLEXCAN_ESR_ALL_INT \ + (FLEXCAN_ESR_TWRN_INT | FLEXCAN_ESR_RWRN_INT | \ + FLEXCAN_ESR_BOFF_INT | FLEXCAN_ESR_ERR_INT) /* FLEXCAN interrupt flag register (IFLAG) bits */ #define FLEXCAN_TX_BUF_ID 8 @@ -577,7 +580,9 @@ static irqreturn_t flexcan_irq(int irq, void *dev_id) reg_iflag1 = flexcan_read(®s->iflag1); reg_esr = flexcan_read(®s->esr); - flexcan_write(FLEXCAN_ESR_ERR_INT, ®s->esr); /* ACK err IRQ */ + /* ACK all bus error and state change IRQ sources */ + if (reg_esr & FLEXCAN_ESR_ALL_INT) + flexcan_write(reg_esr & FLEXCAN_ESR_ALL_INT, ®s->esr); /* * schedule NAPI in case of: |