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| author | Grant Likely <grant.likely@secretlab.ca> | 2012-02-28 13:48:58 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-02-28 13:48:58 -0600 |
| commit | b3950d50cfc343b3e7dc5c69c96a61b182fd1e37 (patch) | |
| tree | d54affae2b1e25464493b48aa88cd8d6b4770812 /drivers/net/can/flexcan.c | |
| parent | daefd89efc279b142bbb054577c2d706da211723 (diff) | |
| parent | 280ad7fda5f95211857fda38960f2b6fdf6edd3e (diff) | |
| download | olio-linux-3.10-b3950d50cfc343b3e7dc5c69c96a61b182fd1e37.tar.xz olio-linux-3.10-b3950d50cfc343b3e7dc5c69c96a61b182fd1e37.zip | |
Merge branch 'irqdomain/next' into gpio/next
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: |