diff options
Diffstat (limited to 'drivers/net/sfc/falcon.c')
| -rw-r--r-- | drivers/net/sfc/falcon.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 2ae51fd6f9c..92ea6147b3f 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -1435,6 +1435,7 @@ static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id) { struct efx_nic *efx = dev_id; efx_oword_t *int_ker = efx->irq_status.addr; + irqreturn_t result = IRQ_NONE; struct efx_channel *channel; efx_dword_t reg; u32 queues; @@ -1449,23 +1450,24 @@ static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id) if (unlikely(syserr)) return falcon_fatal_interrupt(efx); - if (queues == 0) - return IRQ_NONE; - - efx->last_irq_cpu = raw_smp_processor_id(); - EFX_TRACE(efx, "IRQ %d on CPU %d status " EFX_DWORD_FMT "\n", - irq, raw_smp_processor_id(), EFX_DWORD_VAL(reg)); - /* Schedule processing of any interrupting queues */ - channel = &efx->channel[0]; - while (queues) { - if (queues & 0x01) + efx_for_each_channel(channel, efx) { + if ((queues & 1) || + falcon_event_present( + falcon_event(channel, channel->eventq_read_ptr))) { efx_schedule_channel(channel); - channel++; + result = IRQ_HANDLED; + } queues >>= 1; } - return IRQ_HANDLED; + if (result == IRQ_HANDLED) { + efx->last_irq_cpu = raw_smp_processor_id(); + EFX_TRACE(efx, "IRQ %d on CPU %d status " EFX_DWORD_FMT "\n", + irq, raw_smp_processor_id(), EFX_DWORD_VAL(reg)); + } + + return result; } |