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| author | Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> | 2010-10-04 21:46:10 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-10-13 07:49:28 -0700 |
| commit | 0982258264d2f615612ab957634efdeb874f47c8 (patch) | |
| tree | 4667defc535f028e3ee4a11ded29b050cf5926e7 /include/linux/serio.h | |
| parent | a8b3c0f57beaba9035e5339175628b63e551b243 (diff) | |
| download | lwn-0982258264d2f615612ab957634efdeb874f47c8.tar.gz lwn-0982258264d2f615612ab957634efdeb874f47c8.zip | |
Input: serio - support multiple child devices per single parent
Some (rare) serio devices need to have multiple serio children. One of
the examples is PS/2 multiplexer present on several TQC STKxxx boards,
which connect PS/2 keyboard and mouse to single tty port.
Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'include/linux/serio.h')
| -rw-r--r-- | include/linux/serio.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/serio.h b/include/linux/serio.h index 111ad501b054..109b237603b6 100644 --- a/include/linux/serio.h +++ b/include/linux/serio.h @@ -41,7 +41,9 @@ struct serio { int (*start)(struct serio *); void (*stop)(struct serio *); - struct serio *parent, *child; + struct serio *parent; + struct list_head child_node; /* Entry in parent->children list */ + struct list_head children; unsigned int depth; /* level of nesting in serio hierarchy */ struct serio_driver *drv; /* accessed from interrupt, must be protected by serio->lock and serio->sem */ |