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Subject[PATCH 4.19 71/85] Input: psmouse - fix build error of multiple definition
Date
From: YueHaibing <yuehaibing@huawei.com>

commit 49e6979e7e92cf496105b5636f1df0ac17c159c0 upstream.

trackpoint_detect() should be static inline while
CONFIG_MOUSE_PS2_TRACKPOINT is not set, otherwise, we build fails:

drivers/input/mouse/alps.o: In function `trackpoint_detect':
alps.c:(.text+0x8e00): multiple definition of `trackpoint_detect'
drivers/input/mouse/psmouse-base.o:psmouse-base.c:(.text+0x1b50): first defined here

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 55e3d9224b60 ("Input: psmouse - allow disabing certain protocol extensions")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/input/mouse/trackpoint.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/input/mouse/trackpoint.h
+++ b/drivers/input/mouse/trackpoint.h
@@ -161,7 +161,8 @@ struct trackpoint_data {
#ifdef CONFIG_MOUSE_PS2_TRACKPOINT
int trackpoint_detect(struct psmouse *psmouse, bool set_properties);
#else
-inline int trackpoint_detect(struct psmouse *psmouse, bool set_properties)
+static inline int trackpoint_detect(struct psmouse *psmouse,
+ bool set_properties)
{
return -ENOSYS;
}

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