sfc: Restore phy_flash_cfg module parameter

This is needed for recovery in case a PHY firmware upgrade is aborted.
Signed-off-by: NBen Hutchings <bhutchings@solarflare.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/sfc/efx.c

@@ -129,6 +129,10 @@ static unsigned int rss_cpus;
 module_param(rss_cpus, uint, 0444);
 MODULE_PARM_DESC(rss_cpus, "Number of CPUs to use for Receive-Side Scaling");
 
+static int phy_flash_cfg;
+module_param(phy_flash_cfg, int, 0644);
+MODULE_PARM_DESC(phy_flash_cfg, "Set PHYs into reflash mode initially");
+
 /**************************************************************************
  *
  * Utility functions and prototypes
@@ -609,6 +613,9 @@ static int efx_probe_port(struct efx_nic *efx)
 	if (rc)
 		goto err;
 
+	if (phy_flash_cfg)
+		efx->phy_mode = PHY_MODE_SPECIAL;
+
 	/* Sanity check MAC address */
 	if (is_valid_ether_addr(efx->mac_address)) {
 		memcpy(efx->net_dev->dev_addr, efx->mac_address, ETH_ALEN);