sfc: Replace MDIO spinlock with mutex

We never use MDIO in atomic context, so we don't need to spin.

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

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index fb9327c5ea57..0aeaeda9db7c 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -724,7 +724,7 @@ union efx_multicast_hash {
  * @mac_op: MAC interface
  * @mac_address: Permanent MAC address
  * @phy_type: PHY type
- * @phy_lock: PHY access lock
+ * @mdio_lock: MDIO lock
  * @phy_op: PHY interface
  * @phy_data: PHY private data (including PHY-specific stats)
  * @mdio: PHY MDIO interface
@@ -806,7 +806,7 @@ struct efx_nic {
         unsigned char mac_address[ETH_ALEN];
 
         enum phy_type phy_type;
-        spinlock_t phy_lock;
+        struct mutex mdio_lock;
         struct efx_phy_operations *phy_op;
         void *phy_data;
         struct mdio_if_info mdio;