HSI: omap_ssi: built omap_ssi and omap_ssi_port into one module

Merge omap_ssi and omap_ssi_port into one module. This
fixes problems with module cycle dependencies introduced
by future patches.
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Sebastian Reichel <sre@kernel.org>

drivers/hsi/controllers/Kconfig

@@ -12,8 +12,3 @@ config OMAP_SSI
 	  If you say Y here, you will enable the OMAP SSI hardware driver.
 
 	  If unsure, say N.
-
-config OMAP_SSI_PORT
-	tristate
-	default m if OMAP_SSI=m
-	default y if OMAP_SSI=y

drivers/hsi/controllers/Makefile

@@ -2,5 +2,5 @@
 # Makefile for HSI controllers drivers
 #
 
+omap_ssi-objs		+= omap_ssi_core.o omap_ssi_port.o
 obj-$(CONFIG_OMAP_SSI)	+= omap_ssi.o
-obj-$(CONFIG_OMAP_SSI_PORT)	+= omap_ssi_port.o

drivers/hsi/controllers/omap_ssi.h

@@ -164,4 +164,6 @@ struct omap_ssi_controller {
 #endif
 };
 
+extern struct platform_driver ssi_port_pdriver;
+
 #endif /* __LINUX_HSI_OMAP_SSI_H__ */

drivers/hsi/controllers/omap_ssi.c → drivers/hsi/controllers/omap_ssi_core.c

@@ -605,7 +605,22 @@ static struct platform_driver ssi_pdriver = {
 	},
 };
 
-module_platform_driver(ssi_pdriver);
+static int __init ssi_init(void) {
+	int ret;
+
+	ret = platform_driver_register(&ssi_pdriver);
+	if (ret)
+		return ret;
+
+	return platform_driver_register(&ssi_port_pdriver);
+}
+module_init(ssi_init);
+
+static void __exit ssi_exit(void) {
+	platform_driver_unregister(&ssi_port_pdriver);
+	platform_driver_unregister(&ssi_pdriver);
+}
+module_exit(ssi_exit);
 
 MODULE_ALIAS("platform:omap_ssi");
 MODULE_AUTHOR("Carlos Chinea <carlos.chinea@nokia.com>");

drivers/hsi/controllers/omap_ssi_port.c

@@ -1117,11 +1117,6 @@ static int ssi_port_probe(struct platform_device *pd)
 
 	dev_dbg(&pd->dev, "init ssi port...\n");
 
-	if (!try_module_get(ssi->owner)) {
-		dev_err(&pd->dev, "could not increment parent module refcount\n");
-		return -ENODEV;
-	}
-
 	if (!ssi->port || !omap_ssi->port) {
 		dev_err(&pd->dev, "ssi controller not initialized!\n");
 		err = -ENODEV;
@@ -1242,7 +1237,6 @@ static int ssi_port_remove(struct platform_device *pd)
 
 	omap_ssi->port[omap_port->port_id] = NULL;
 	platform_set_drvdata(pd, NULL);
-	module_put(ssi->owner);
 	pm_runtime_disable(&pd->dev);
 
 	return 0;
@@ -1369,7 +1363,7 @@ MODULE_DEVICE_TABLE(of, omap_ssi_port_of_match);
 #define omap_ssi_port_of_match NULL
 #endif
 
-static struct platform_driver ssi_port_pdriver = {
+struct platform_driver ssi_port_pdriver = {
 	.probe = ssi_port_probe,
 	.remove	= ssi_port_remove,
 	.driver	= {
@@ -1378,11 +1372,3 @@ static struct platform_driver ssi_port_pdriver = {
 		.pm	= DEV_PM_OPS,
 	},
 };
-
-module_platform_driver(ssi_port_pdriver);
-
-MODULE_ALIAS("platform:omap_ssi_port");
-MODULE_AUTHOR("Carlos Chinea <carlos.chinea@nokia.com>");
-MODULE_AUTHOR("Sebastian Reichel <sre@kernel.org>");
-MODULE_DESCRIPTION("Synchronous Serial Interface Port Driver");
-MODULE_LICENSE("GPL v2");