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authorDmitry Eremin-Solenikov <dbaryshkov@gmail.com>2010-10-05 06:46:10 +0200
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2010-10-13 16:49:28 +0200
commit0982258264d2f615612ab957634efdeb874f47c8 (patch)
tree4667defc535f028e3ee4a11ded29b050cf5926e7 /include
parentInput: synaptics - simplify pass-through port handling (diff)
downloadlinux-0982258264d2f615612ab957634efdeb874f47c8.tar.xz
linux-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')
-rw-r--r--include/linux/serio.h4
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 */