stmmac: convert dwmac-sti to platform driver

Convert platform glue layer into a proper platform
driver and add it to the build system.

Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/Kconfig

@@ -78,6 +78,18 @@ config DWMAC_SOCFPGA
 	  for the stmmac device driver. This driver is used for
 	  arria5 and cyclone5 FPGA SoCs.
 
+config DWMAC_STI
+	tristate "STi GMAC support"
+	default ARCH_STI
+	depends on OF
+	select MFD_SYSCON
+	---help---
+	  Support for ethernet controller on STi SOCs.
+
+	  This selects STi SoC glue layer support for the stmmac
+	  device driver. This driver is used on for the STi series
+	  SOCs GMAC ethernet controller.
+
 endif
 
 config STMMAC_PCI

drivers/net/ethernet/stmicro/stmmac/Makefile

@@ -10,9 +10,9 @@ obj-$(CONFIG_DWMAC_LPC18XX)	+= dwmac-lpc18xx.o
 obj-$(CONFIG_DWMAC_MESON)	+= dwmac-meson.o
 obj-$(CONFIG_DWMAC_ROCKCHIP)	+= dwmac-rk.o
 obj-$(CONFIG_DWMAC_SOCFPGA)	+= dwmac-socfpga.o
+obj-$(CONFIG_DWMAC_STI)		+= dwmac-sti.o
 obj-$(CONFIG_DWMAC_GENERIC)	+= dwmac-generic.o
 stmmac-platform-objs:= stmmac_platform.o dwmac-sunxi.o \
-		       dwmac-sti.o
 
 obj-$(CONFIG_STMMAC_PCI) += stmmac-pci.o
 stmmac-pci-objs:= stmmac_pci.o

drivers/net/ethernet/stmicro/stmmac/dwmac-sti.c

@@ -17,6 +17,7 @@
 #include <linux/stmmac.h>
 #include <linux/phy.h>
 #include <linux/mfd/syscon.h>
+#include <linux/module.h>
 #include <linux/regmap.h>
 #include <linux/clk.h>
 #include <linux/of.h>
@@ -351,16 +352,40 @@ static void *sti_dwmac_setup(struct platform_device *pdev)
 	return dwmac;
 }
 
-const struct stmmac_of_data stih4xx_dwmac_data = {
+static const struct stmmac_of_data stih4xx_dwmac_data = {
 	.fix_mac_speed = stih4xx_fix_retime_src,
 	.setup = sti_dwmac_setup,
 	.init = stix4xx_init,
 	.exit = sti_dwmac_exit,
 };
 
-const struct stmmac_of_data stid127_dwmac_data = {
+static const struct stmmac_of_data stid127_dwmac_data = {
 	.fix_mac_speed = stid127_fix_retime_src,
 	.setup = sti_dwmac_setup,
 	.init = stid127_init,
 	.exit = sti_dwmac_exit,
 };
+
+static const struct of_device_id sti_dwmac_match[] = {
+	{ .compatible = "st,stih415-dwmac", .data = &stih4xx_dwmac_data},
+	{ .compatible = "st,stih416-dwmac", .data = &stih4xx_dwmac_data},
+	{ .compatible = "st,stid127-dwmac", .data = &stid127_dwmac_data},
+	{ .compatible = "st,stih407-dwmac", .data = &stih4xx_dwmac_data},
+	{ }
+};
+MODULE_DEVICE_TABLE(of, sti_dwmac_match);
+
+static struct platform_driver sti_dwmac_driver = {
+	.probe  = stmmac_pltfr_probe,
+	.remove = stmmac_pltfr_remove,
+	.driver = {
+		.name           = "sti-dwmac",
+		.pm		= &stmmac_pltfr_pm_ops,
+		.of_match_table = sti_dwmac_match,
+	},
+};
+module_platform_driver(sti_dwmac_driver);
+
+MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@st.com>");
+MODULE_DESCRIPTION("STMicroelectronics DWMAC Specific Glue layer");
+MODULE_LICENSE("GPL");

drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c

@@ -35,10 +35,6 @@
 static const struct of_device_id stmmac_dt_ids[] = {
 	/* SoC specific glue layers should come before generic bindings */
 	{ .compatible = "allwinner,sun7i-a20-gmac", .data = &sun7i_gmac_data},
-	{ .compatible = "st,stih415-dwmac", .data = &stih4xx_dwmac_data},
-	{ .compatible = "st,stih416-dwmac", .data = &stih4xx_dwmac_data},
-	{ .compatible = "st,stid127-dwmac", .data = &stid127_dwmac_data},
-	{ .compatible = "st,stih407-dwmac", .data = &stih4xx_dwmac_data},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, stmmac_dt_ids);

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

@@ -24,7 +24,5 @@ int stmmac_pltfr_remove(struct platform_device *pdev);
 extern const struct dev_pm_ops stmmac_pltfr_pm_ops;
 
 extern const struct stmmac_of_data sun7i_gmac_data;
-extern const struct stmmac_of_data stih4xx_dwmac_data;
-extern const struct stmmac_of_data stid127_dwmac_data;
 
 #endif /* __STMMAC_PLATFORM_H__ */