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, 1 insertions, 1 deletions

diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index b5a7e91590dc..6338ad8dbfbb 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -1922,7 +1922,7 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type,
         /* Initialise common structures */
         memset(efx, 0, sizeof(*efx));
         spin_lock_init(&efx->biu_lock);
-        spin_lock_init(&efx->phy_lock);
+        mutex_init(&efx->mdio_lock);
         mutex_init(&efx->spi_lock);
         INIT_WORK(&efx->reset_work, efx_reset_work);
         INIT_DELAYED_WORK(&efx->monitor_work, efx_monitor);