fsi: Add fsi-master class (2e32c2d6) · Commits · 戴 / test

drivers/fsi/fsi-core.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -1241,6 +1241,10 @@ static ssize_t master_break_store(struct device *dev,

		static DEVICE_ATTR(break, 0200, NULL, master_break_store);

		struct class fsi_master_class = {
		.name = "fsi-master",
		};

		int fsi_master_register(struct fsi_master *master)
		{
		int rc;
		@@ -1249,6 +1253,7 @@ int fsi_master_register(struct fsi_master *master)
		mutex_init(&master->scan_lock);
		master->idx = ida_simple_get(&master_ida, 0, INT_MAX, GFP_KERNEL);
		dev_set_name(&master->dev, "fsi%d", master->idx);
		master->dev.class = &fsi_master_class;

		rc = device_register(&master->dev);
		if (rc) {
		@@ -1350,8 +1355,15 @@ static int __init fsi_init(void)
		rc = bus_register(&fsi_bus_type);
		if (rc)
		goto fail_bus;

		rc = class_register(&fsi_master_class);
		if (rc)
		goto fail_class;

		return 0;

		fail_class:
		bus_unregister(&fsi_bus_type);
		fail_bus:
		unregister_chrdev_region(fsi_base_dev, FSI_CHAR_MAX_DEVICES);
		return rc;
		@@ -1360,6 +1372,7 @@ postcore_initcall(fsi_init);

		static void fsi_exit(void)
		{
		class_unregister(&fsi_master_class);
		bus_unregister(&fsi_bus_type);
		unregister_chrdev_region(fsi_base_dev, FSI_CHAR_MAX_DEVICES);
		ida_destroy(&fsi_minor_ida);