From: Greg KH Add sysfs vc class support 25-akpm/drivers/char/vc_screen.c | 12 ++++++++++++ 1 files changed, 12 insertions(+) diff -puN drivers/char/vc_screen.c~sysfs-add-vc-class drivers/char/vc_screen.c --- 25/drivers/char/vc_screen.c~sysfs-add-vc-class Tue Dec 23 13:44:03 2003 +++ 25-akpm/drivers/char/vc_screen.c Tue Dec 23 13:44:03 2003 @@ -36,6 +36,7 @@ #include #include #include +#include #include #include #include @@ -469,6 +470,10 @@ static struct file_operations vcs_fops = .open = vcs_open, }; +static struct class vc_class = { + .name = "vc", +}; + void vcs_make_devfs(struct tty_struct *tty) { devfs_mk_cdev(MKDEV(VCS_MAJOR, tty->index + 1), @@ -477,19 +482,26 @@ void vcs_make_devfs(struct tty_struct *t devfs_mk_cdev(MKDEV(VCS_MAJOR, tty->index + 129), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/a%u", tty->index + 1); + simple_add_class_device(&vc_class, MKDEV(VCS_MAJOR, tty->index + 1), NULL, "vcs%u", tty->index + 1); + simple_add_class_device(&vc_class, MKDEV(VCS_MAJOR, tty->index + 129), NULL, "vcsa%u", tty->index + 1); } void vcs_remove_devfs(struct tty_struct *tty) { devfs_remove("vcc/%u", tty->index + 1); devfs_remove("vcc/a%u", tty->index + 1); + simple_remove_class_device(MKDEV(VCS_MAJOR, tty->index + 1)); + simple_remove_class_device(MKDEV(VCS_MAJOR, tty->index + 129)); } int __init vcs_init(void) { if (register_chrdev(VCS_MAJOR, "vcs", &vcs_fops)) panic("unable to get major %d for vcs device", VCS_MAJOR); + class_register(&vc_class); devfs_mk_cdev(MKDEV(VCS_MAJOR, 0), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/0"); devfs_mk_cdev(MKDEV(VCS_MAJOR, 128), S_IFCHR|S_IRUSR|S_IWUSR, "vcc/a0"); + simple_add_class_device(&vc_class, MKDEV(VCS_MAJOR, 0), NULL, "vcs"); + simple_add_class_device(&vc_class, MKDEV(VCS_MAJOR, 128), NULL, "vcsa"); return 0; } _