sfc: make local functions static

Trivial sparse detected functions that should be static.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 78c3324..01b9920 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -2950,8 +2950,8 @@
  * At this point MMIO and DMA may be disabled.
  * Stop the software path and request a slot reset.
  */
-pci_ers_result_t efx_io_error_detected(struct pci_dev *pdev,
-				       enum pci_channel_state state)
+static pci_ers_result_t efx_io_error_detected(struct pci_dev *pdev,
+					      enum pci_channel_state state)
 {
 	pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED;
 	struct efx_nic *efx = pci_get_drvdata(pdev);
@@ -2986,7 +2986,7 @@
 }
 
 /* Fake a successfull reset, which will be performed later in efx_io_resume. */
-pci_ers_result_t efx_io_slot_reset(struct pci_dev *pdev)
+static pci_ers_result_t efx_io_slot_reset(struct pci_dev *pdev)
 {
 	struct efx_nic *efx = pci_get_drvdata(pdev);
 	pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED;