net: fs_enet: Remove has_phy field in fs_platform_info struct

Since commit 3dd82a1e ("[POWERPC] CPM: Always use new binding.")
has_phy field is never set.

Remove dead code and remove the field.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/bb5264e09e18f0ce8a0dbee399926a59f33cb248.1691155346.git.christophe.leroy@csgroup.euSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/freescale/fs_enet/mac-fec.c

@@ -339,11 +339,7 @@ static void restart(struct net_device *dev)
 static void stop(struct net_device *dev)
 {
 	struct fs_enet_private *fep = netdev_priv(dev);
-	const struct fs_platform_info *fpi = fep->fpi;
 	struct fec __iomem *fecp = fep->fec.fecp;
-
-	struct fec_info *feci = dev->phydev->mdio.bus->priv;
-
 	int i;
 
 	if ((FR(fecp, ecntrl) & FEC_ECNTRL_ETHER_EN) == 0)
@@ -363,16 +359,6 @@ static void stop(struct net_device *dev)
 	FC(fecp, ecntrl, FEC_ECNTRL_ETHER_EN);
 
 	fs_cleanup_bds(dev);
-
-	/* shut down FEC1? that's where the mii bus is */
-	if (fpi->has_phy) {
-		FS(fecp, r_cntrl, fpi->use_rmii ?
-				FEC_RCNTRL_RMII_MODE :
-				FEC_RCNTRL_MII_MODE);	/* MII/RMII enable */
-		FS(fecp, ecntrl, FEC_ECNTRL_PINMUX | FEC_ECNTRL_ETHER_EN);
-		FW(fecp, ievent, FEC_ENET_MII);
-		FW(fecp, mii_speed, feci->mii_speed);
-	}
 }
 
 static void napi_clear_event_fs(struct net_device *dev)

include/linux/fs_enet_pd.h

@@ -123,7 +123,6 @@ struct fs_platform_info {
 	int napi_weight;	/* NAPI weight                 */
 
 	int use_rmii;		/* use RMII mode 	       */
-	int has_phy;            /* if the network is phy container as well...*/
 
 	struct clk *clk_per;	/* 'per' clock for register access */
 };