---

yaml
---
r: 310749
b: refs/heads/master
c: 33d5e33
h: refs/heads/master
i:
  310747: af34d44
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2d8dbb04c63e5369988f008bc4df3359c01d8812
+refs/heads/master: 33d5e332b9c5ce0bf3bfd44ca2127d1773b3f2ad

trunk/drivers/net/ethernet/stmicro/stmmac/Kconfig

@@ -15,6 +15,7 @@ if STMMAC_ETH
 config STMMAC_PLATFORM
 	bool "STMMAC Platform bus support"
 	depends on STMMAC_ETH
+	default y
 	---help---
 	  This selects the platform specific bus support for
 	  the stmmac device driver. This is the driver used

trunk/drivers/net/ethernet/stmicro/stmmac/stmmac.h

@@ -26,6 +26,7 @@
 #include <linux/clk.h>
 #include <linux/stmmac.h>
 #include <linux/phy.h>
+#include <linux/pci.h>
 #include "common.h"
 #ifdef CONFIG_STMMAC_TIMER
 #include "stmmac_timer.h"
@@ -95,8 +96,6 @@ extern int stmmac_mdio_register(struct net_device *ndev);
 extern void stmmac_set_ethtool_ops(struct net_device *netdev);
 extern const struct stmmac_desc_ops enh_desc_ops;
 extern const struct stmmac_desc_ops ndesc_ops;
-extern struct pci_driver stmmac_pci_driver;
-extern struct platform_driver stmmac_pltfr_driver;
 int stmmac_freeze(struct net_device *ndev);
 int stmmac_restore(struct net_device *ndev);
 int stmmac_resume(struct net_device *ndev);
@@ -144,3 +143,60 @@ static inline int stmmac_clk_get(struct stmmac_priv *priv)
 	return 0;
 }
 #endif /* CONFIG_HAVE_CLK */
+
+
+#ifdef CONFIG_STMMAC_PLATFORM
+extern struct platform_driver stmmac_pltfr_driver;
+static inline int stmmac_register_platform(void)
+{
+	int err;
+
+	err = platform_driver_register(&stmmac_pltfr_driver);
+	if (err)
+		pr_err("stmmac: failed to register the platform driver\n");
+
+	return err;
+}
+static inline void stmmac_unregister_platform(void)
+{
+	platform_driver_register(&stmmac_pltfr_driver);
+}
+#else
+static inline int stmmac_register_platform(void)
+{
+	pr_debug("stmmac: do not register the platf driver\n");
+
+	return -EINVAL;
+}
+static inline void stmmac_unregister_platform(void)
+{
+}
+#endif /* CONFIG_STMMAC_PLATFORM */
+
+#ifdef CONFIG_STMMAC_PCI
+extern struct pci_driver stmmac_pci_driver;
+static inline int stmmac_register_pci(void)
+{
+	int err;
+
+	err = pci_register_driver(&stmmac_pci_driver);
+	if (err)
+		pr_err("stmmac: failed to register the PCI driver\n");
+
+	return err;
+}
+static inline void stmmac_unregister_pci(void)
+{
+	pci_unregister_driver(&stmmac_pci_driver);
+}
+#else
+static inline int stmmac_register_pci(void)
+{
+	pr_debug("stmmac: do not register the PCI driver\n");
+
+	return -EINVAL;
+}
+static inline void stmmac_unregister_pci(void)
+{
+}
+#endif /* CONFIG_STMMAC_PCI */

trunk/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -42,7 +42,6 @@
 #include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/prefetch.h>
-#include <linux/pci.h>
 #ifdef CONFIG_STMMAC_DEBUG_FS
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
@@ -2094,25 +2093,29 @@ int stmmac_restore(struct net_device *ndev)
 }
 #endif /* CONFIG_PM */
 
+/* Driver can be configured w/ and w/ both PCI and Platf drivers
+ * depending on the configuration selected.
+ */
 static int __init stmmac_init(void)
 {
-	int err = 0;
+	int err_plt = 0;
+	int err_pci = 0;
 
-	err = platform_driver_register(&stmmac_pltfr_driver);
+	err_plt = stmmac_register_platform();
+	err_pci = stmmac_register_pci();
 
-	if (!err) {
-		err = pci_register_driver(&stmmac_pci_driver);
-		if (err)
-			platform_driver_unregister(&stmmac_pltfr_driver);
+	if ((err_pci) && (err_plt)) {
+		pr_err("stmmac: driver registration failed\n");
+		return -EINVAL;
 	}
 
-	return err;
+	return 0;
 }
 
 static void __exit stmmac_exit(void)
 {
-	pci_unregister_driver(&stmmac_pci_driver);
-	platform_driver_unregister(&stmmac_pltfr_driver);
+	stmmac_unregister_platform();
+	stmmac_unregister_pci();
 }
 
 module_init(stmmac_init);