ChangeSet 1.1500, 2004/01/19 16:39:52-08:00, greg@kroah.com [PATCH] LP: add sysfs class support for lp devices Add sysfs class support for lp devices. Based on a patch from Hanna Linder drivers/char/lp.c | 6 ++++++ 1 files changed, 6 insertions(+) diff -Nru a/drivers/char/lp.c b/drivers/char/lp.c --- a/drivers/char/lp.c Mon Jan 19 17:05:01 2004 +++ b/drivers/char/lp.c Mon Jan 19 17:05:01 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 @@ 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 @@ } 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 @@ 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);