diff options
| author | Dave Airlie <airlied@redhat.com> | 2012-03-15 10:24:32 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-03-15 10:24:32 +0000 |
| commit | 8229c885fe361e521ac64de36b16011e54a30de0 (patch) | |
| tree | 572e5d34b16713ddef9e803308c6f72014aff01b /drivers/net/can/flexcan.c | |
| parent | c3c50e8b651887bcefcc13beb3739c00b2379b5c (diff) | |
| parent | fde7d9049e55ab85a390be7f415d74c9f62dd0f9 (diff) | |
drm: Merge tag 'v3.3-rc7' into drm-core-next
Merge the fixes so far into core-next, needed to test
intel driver.
Conflicts:
drivers/gpu/drm/i915/intel_ringbuffer.c
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 7fd8089946fb..96d235799ec1 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: |