sfc: Clean up efx_nic::irq_zero_count

There is no need for this to be unsigned long; make it unsigned int.
It does need a line in kernel-doc, so add that.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index bdea03c54e07..d68331c7fb5d 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -672,6 +672,7 @@ union efx_multicast_hash {
  *      This register is written with the SMP processor ID whenever an
  *      interrupt is handled.  It is used by efx_nic_test_interrupt()
  *      to verify that an interrupt has occurred.
+ * @irq_zero_count: Number of legacy IRQs seen with queue flags == 0
  * @fatal_irq_level: IRQ level (bit number) used for serious errors
  * @spi_flash: SPI flash device
  *      This field will be %NULL if no flash device is present (or for Siena).
@@ -756,7 +757,7 @@ struct efx_nic {
 
         struct efx_buffer irq_status;
         volatile signed int last_irq_cpu;
-        unsigned long irq_zero_count;
+        unsigned irq_zero_count;
         unsigned fatal_irq_level;
 
         struct efx_spi_device *spi_flash;