Add class support for lp devices.
Based on a patch from Hanna Linder <hannal@us.ibm.com>
---
25-akpm/drivers/char/lp.c | 6 ++++++
1 files changed, 6 insertions(+)
diff -puN drivers/char/lp.c~sysfs-class-03-lp drivers/char/lp.c
--- 25/drivers/char/lp.c~sysfs-class-03-lp Thu Jan 15 16:39:37 2004
+++ 25-akpm/drivers/char/lp.c Thu Jan 15 16:39:37 2004
@@ -145,6 +145,7 @@
struct lp_struct lp_table[LP_NO];
static unsigned int lp_count = 0;
+static struct class_simple *lp_class;
#ifdef CONFIG_LP_CONSOLE
static struct parport *console_registered; // initially NULL
@@ -795,6 +796,8 @@ static int lp_register(int nr, struct pa
if (reset)
lp_reset(nr);
+ class_simple_device_add(lp_class, MKDEV(LP_MAJOR, nr), NULL,
+ "lp%d", nr);
devfs_mk_cdev(MKDEV(LP_MAJOR, nr), S_IFCHR | S_IRUGO | S_IWUGO,
"printers/%d", nr);
@@ -897,6 +900,7 @@ int __init lp_init (void)
}
devfs_mk_dir("printers");
+ lp_class = class_simple_create(THIS_MODULE, "printer");
if (parport_register_driver (&lp_driver)) {
printk (KERN_ERR "lp: unable to register with parport\n");
@@ -958,8 +962,10 @@ static void lp_cleanup_module (void)
continue;
parport_unregister_device(lp_table[offset].dev);
devfs_remove("printers/%d", offset);
+ class_simple_device_remove(MKDEV(LP_MAJOR, offset));
}
devfs_remove("printers");
+ class_simple_destroy(lp_class);
}
__setup("lp=", lp_setup);
_