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-rw-r--r--drivers/net/sfc/falcon.c26
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;
}