stmmac: rewiew platform data

This patch rewiews and reorganises all the data
come from the platform removing any dependency
from the stm code.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/stmmac/stmmac.h

@@ -21,6 +21,7 @@
 *******************************************************************************/
 
 #define DRV_MODULE_VERSION	"Oct_09"
+#include <linux/stmmac.h>
 
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
 #define STMMAC_VLAN_TAG_USED
@@ -69,6 +70,7 @@ struct stmmac_priv {
 	int phy_mask;
 	int (*phy_reset) (void *priv);
 	void (*fix_mac_speed) (void *priv, unsigned int speed);
+	void (*bus_setup)(unsigned long ioaddr);
 	void *bsp_priv;
 
 	int phy_irq;
@@ -93,6 +95,28 @@ struct stmmac_priv {
 #endif
 };
 
+#ifdef CONFIG_STM_DRIVERS
+#include <linux/stm/pad.h>
+static inline int stmmac_claim_resource(struct platform_device *pdev)
+{
+	int ret = 0;
+	struct plat_stmmacenet_data *plat_dat = pdev->dev.platform_data;
+
+	/* Pad routing setup */
+	if (IS_ERR(devm_stm_pad_claim(&pdev->dev, plat_dat->pad_config,
+			dev_name(&pdev->dev)))) {
+		printk(KERN_ERR "%s: Failed to request pads!\n", __func__);
+		ret = -ENODEV;
+	}
+	return ret;
+}
+#else
+static inline int stmmac_claim_resource(struct platform_device *pdev)
+{
+	return 0;
+}
+#endif
+
 extern int stmmac_mdio_unregister(struct net_device *ndev);
 extern int stmmac_mdio_register(struct net_device *ndev);
 extern void stmmac_set_ethtool_ops(struct net_device *netdev);

drivers/net/stmmac/stmmac_main.c

@@ -45,7 +45,6 @@
 #include <linux/phy.h>
 #include <linux/if_vlan.h>
 #include <linux/dma-mapping.h>
-#include <linux/stm/soc.h>
 #include "stmmac.h"
 
 #define STMMAC_RESOURCE_NAME	"stmmaceth"
@@ -1798,8 +1797,7 @@ static int stmmac_mac_device_setup(struct net_device *dev)
 
 static int stmmacphy_dvr_probe(struct platform_device *pdev)
 {
-	struct plat_stmmacphy_data *plat_dat;
-	plat_dat = (struct plat_stmmacphy_data *)((pdev->dev).platform_data);
+	struct plat_stmmacphy_data *plat_dat = pdev->dev.platform_data;
 
 	pr_debug("stmmacphy_dvr_probe: added phy for bus %d\n",
 	       plat_dat->bus_id);
@@ -1831,9 +1829,7 @@ static struct platform_driver stmmacphy_driver = {
 static int stmmac_associate_phy(struct device *dev, void *data)
 {
 	struct stmmac_priv *priv = (struct stmmac_priv *)data;
-	struct plat_stmmacphy_data *plat_dat;
-
-	plat_dat = (struct plat_stmmacphy_data *)(dev->platform_data);
+	struct plat_stmmacphy_data *plat_dat = dev->platform_data;
 
 	DBG(probe, DEBUG, "%s: checking phy for bus %d\n", __func__,
 		plat_dat->bus_id);
@@ -1923,7 +1919,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
 	priv = netdev_priv(ndev);
 	priv->device = &(pdev->dev);
 	priv->dev = ndev;
-	plat_dat = (struct plat_stmmacenet_data *)((pdev->dev).platform_data);
+	plat_dat = pdev->dev.platform_data;
 	priv->bus_id = plat_dat->bus_id;
 	priv->pbl = plat_dat->pbl;	/* TLI */
 	priv->is_gmac = plat_dat->has_gmac;	/* GMAC is on board */
@@ -1933,6 +1929,11 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
 	/* Set the I/O base addr */
 	ndev->base_addr = (unsigned long)addr;
 
+	/* Verify embedded resource for the platform */
+	ret = stmmac_claim_resource(pdev);
+	if (ret < 0)
+		goto out;
+
 	/* MAC HW revice detection */
 	ret = stmmac_mac_device_setup(ndev);
 	if (ret < 0)
@@ -1953,6 +1954,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev)
 	}
 
 	priv->fix_mac_speed = plat_dat->fix_mac_speed;
+	priv->bus_setup = plat_dat->bus_setup;
 	priv->bsp_priv = plat_dat->bsp_priv;
 
 	pr_info("\t%s - (dev. name: %s - id: %d, IRQ #%d\n"