net: Fix sungem_phy sharing.

Since sungem_phy is used by multiple, unrelated, drivers make it
build as a real module under drivers/net.

depmod will pick up the symbol dependency and make sure sungem_phy.ko
gets loaded any time sungem.ko or spider_net.ko is loaded.

Tested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/Kconfig

@@ -186,6 +186,9 @@ config MII
 
 source "drivers/net/phy/Kconfig"
 
+config SUNGEM_PHY
+	tristate
+
 #
 #	Ethernet
 #

drivers/net/Makefile

@@ -75,3 +75,5 @@ obj-$(CONFIG_VIRTIO_NET) += virtio_net.o
 
 obj-$(CONFIG_WIMAX) += wimax/
 obj-$(CONFIG_CAIF) += caif/
+
+obj-$(CONFIG_SUNGEM_PHY) += sungem_phy.o

drivers/net/ethernet/sun/Makefile

@@ -6,7 +6,6 @@ obj-$(CONFIG_HAPPYMEAL) += sunhme.o
 obj-$(CONFIG_SUNQE) += sunqe.o
 obj-$(CONFIG_SUNBMAC) += sunbmac.o
 obj-$(CONFIG_SUNGEM) += sungem.o
-obj-$(CONFIG_SUNGEM_PHY) += sungem_phy.o
 obj-$(CONFIG_CASSINI) += cassini.o
 obj-$(CONFIG_SUNVNET) += sunvnet.o
 obj-$(CONFIG_NIU) += niu.o

drivers/net/ethernet/sun/sungem.c

@@ -1721,7 +1721,7 @@ static void gem_init_phy(struct gem *gp)
 	if (gp->phy_type == phy_mii_mdio0 ||
 	    gp->phy_type == phy_mii_mdio1) {
 		/* Reset and detect MII PHY */
-		mii_phy_probe(&gp->phy_mii, gp->mii_phy_addr);
+		sungem_phy_probe(&gp->phy_mii, gp->mii_phy_addr);
 
 		/* Init PHY */
 		if (gp->phy_mii.def && gp->phy_mii.def->ops->init)

drivers/net/ethernet/toshiba/Makefile

@@ -6,5 +6,5 @@ obj-$(CONFIG_GELIC_NET) += ps3_gelic.o
 gelic_wireless-$(CONFIG_GELIC_WIRELESS) += ps3_gelic_wireless.o
 ps3_gelic-objs += ps3_gelic_net.o $(gelic_wireless-y)
 spidernet-y += spider_net.o spider_net_ethtool.o
-obj-$(CONFIG_SPIDER_NET) += spidernet.o ethernet/sun/sungem_phy.o
+obj-$(CONFIG_SPIDER_NET) += spidernet.o
 obj-$(CONFIG_TC35815) += tc35815.o

drivers/net/ethernet/toshiba/spider_net.c

@@ -196,7 +196,7 @@ spider_net_setup_aneg(struct spider_net_card *card)
 	if ((bmsr & BMSR_ESTATEN) && (estat & ESTATUS_1000_THALF))
 		advertise |= SUPPORTED_1000baseT_Half;
 
-	mii_phy_probe(phy, phy->mii_id);
+	sungem_phy_probe(phy, phy->mii_id);
 	phy->def->ops->setup_aneg(phy, advertise);
 
 }
@@ -2120,7 +2120,7 @@ spider_net_setup_phy(struct spider_net_card *card)
 		unsigned short id;
 		id = spider_net_read_phy(card->netdev, phy->mii_id, MII_BMSR);
 		if (id != 0x0000 && id != 0xffff) {
-			if (!mii_phy_probe(phy, phy->mii_id)) {
+			if (!sungem_phy_probe(phy, phy->mii_id)) {
 				pr_info("Found %s.\n", phy->def->name);
 				break;
 			}

drivers/net/ethernet/sun/sungem_phy.c → drivers/net/sungem_phy.c

@@ -1156,7 +1156,7 @@ static struct mii_phy_def* mii_phy_table[] = {
 	NULL
 };
 
-int mii_phy_probe(struct mii_phy *phy, int mii_id)
+int sungem_phy_probe(struct mii_phy *phy, int mii_id)
 {
 	int rc;
 	u32 id;
@@ -1195,6 +1195,5 @@ fail:
 	return -ENODEV;
 }
 
-EXPORT_SYMBOL(mii_phy_probe);
+EXPORT_SYMBOL(sungem_phy_probe);
 MODULE_LICENSE("GPL");
-

include/linux/sungem_phy.h

@@ -61,7 +61,7 @@ struct mii_phy
 /* Pass in a struct mii_phy with dev, mdio_read and mdio_write
  * filled, the remaining fields will be filled on return
  */
-extern int mii_phy_probe(struct mii_phy *phy, int mii_id);
+extern int sungem_phy_probe(struct mii_phy *phy, int mii_id);
 
 
 /* MII definitions missing from mii.h */