Subject: [PATCH] simple class for adb

From: Olaf Hering <[email-masked]>
Date: Sat, 1 May 2004 20:26:59 +0200

This adds /sys/class/adb/, removes unused devfs lines and updates a
comment to match reality.

diff -p -purN linux-2.6.6-rc3/drivers/macintosh/adb.c linux-2.6.6-rc3.adb/drivers/macintosh/adb.c
--- linux-2.6.6-rc3/drivers/macintosh/adb.c	2004-04-04 05:38:26.000000000 +0200
+++ linux-2.6.6-rc3.adb/drivers/macintosh/adb.c	2004-05-01 19:58:08.000000000 +0200
@@ -10,7 +10,7 @@
  *
  * To do:
  *
- * - /proc/adb to list the devices and infos
+ * - /sys/bus/adb to list the devices and infos
  * - more /dev/adb to allow userland to receive the
  *   flow of auto-polling datas from a given device.
  * - move bus probe to a kernel thread
@@ -23,7 +23,6 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/fs.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/mm.h>
 #include <linux/sched.h>
 #include <linux/smp_lock.h>
@@ -36,6 +35,7 @@
 #include <linux/delay.h>
 #include <linux/spinlock.h>
 #include <linux/completion.h>
+#include <linux/device.h>
 #include <asm/uaccess.h>
 #include <asm/semaphore.h>
 #ifdef CONFIG_PPC
@@ -75,6 +75,8 @@ static struct adb_driver *adb_driver_lis
 	NULL
 };

+static struct class_simple *adb_dev_class;
+
 struct adb_driver *adb_controller;
 struct notifier_block *adb_client_list = NULL;
 static int adb_got_sleep;
@@ -883,6 +889,7 @@ out:
 }

 static struct file_operations adb_fops = {
+	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,
 	.read		= adb_read,
 	.write		= adb_write,
@@ -893,9 +900,13 @@ static struct file_operations adb_fops =
 static void
 adbdev_init(void)
 {
-	if (register_chrdev(ADB_MAJOR, "adb", &adb_fops))
+	if (register_chrdev(ADB_MAJOR, "adb", &adb_fops)) {
 		printk(KERN_ERR "adb: unable to get major %d\n", ADB_MAJOR);
-	else
-		devfs_mk_cdev(MKDEV(ADB_MAJOR, 0),
-				S_IFCHR | S_IRUSR | S_IWUSR, "adb");
+		return;
+	}
+	adb_dev_class = class_simple_create(THIS_MODULE, "adb");
+	if (IS_ERR(adb_dev_class)) {
+		return;
+	}
+	class_simple_device_add(adb_dev_class, MKDEV(ADB_MAJOR, 0), NULL, "adb");
 }
--
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