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authorHansjoerg Lipp <hjlipp@web.de>2006-04-22 18:43:00 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2006-06-21 12:40:47 -0700
commit3dda4e373c7474cfe280f4270b70c1563f92a2a7 (patch)
treeb38e2c22056859de773ef8e47b059f53a52d0215 /drivers/isdn/gigaset/interface.c
parent[PATCH] TTY: return class device pointer from tty_register_device() (diff)
downloadlinux-dev-3dda4e373c7474cfe280f4270b70c1563f92a2a7.tar.xz
linux-dev-3dda4e373c7474cfe280f4270b70c1563f92a2a7.zip
[PATCH] i4l gigaset: move sysfs entry to tty class device
Using the class device pointer returned by tty_register_device() with part 1 of the patch, attach the Gigaset drivers' "cidmode" sysfs entry to its tty class device, where it can be found more easily by users who do not know nor care which USB port the device is attached to. Signed-off-by: Hansjoerg Lipp <hjlipp@web.de> Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/isdn/gigaset/interface.c')
-rw-r--r--drivers/isdn/gigaset/interface.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index 08e4c4eea14d..74fd234956c8 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -625,7 +625,14 @@ void gigaset_if_init(struct cardstate *cs)
return;
tasklet_init(&cs->if_wake_tasklet, &if_wake, (unsigned long) cs);
- tty_register_device(drv->tty, cs->minor_index, NULL);
+ cs->class = tty_register_device(drv->tty, cs->minor_index, NULL);
+
+ if (!IS_ERR(cs->class))
+ class_set_devdata(cs->class, cs);
+ else {
+ warn("could not register device to the tty subsystem");
+ cs->class = NULL;
+ }
}
void gigaset_if_free(struct cardstate *cs)
@@ -638,6 +645,7 @@ void gigaset_if_free(struct cardstate *cs)
tasklet_disable(&cs->if_wake_tasklet);
tasklet_kill(&cs->if_wake_tasklet);
+ cs->class = NULL;
tty_unregister_device(drv->tty, cs->minor_index);
}