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Subject[PATCH] Input: psmouse - use IS_ENABLED instead of homegrown code
Instead of having various protocols provide <protocol>_supported()
functions, let's use IS_ENABLED() macro that works well in "if" statements.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
drivers/input/mouse/cypress_ps2.c | 5 -----
drivers/input/mouse/cypress_ps2.h | 5 -----
drivers/input/mouse/focaltech.c | 10 ----------
drivers/input/mouse/focaltech.h | 1 -
drivers/input/mouse/psmouse-base.c | 6 +++---
drivers/input/mouse/synaptics.c | 10 ----------
drivers/input/mouse/synaptics.h | 1 -
7 files changed, 3 insertions(+), 35 deletions(-)

diff --git a/drivers/input/mouse/cypress_ps2.c b/drivers/input/mouse/cypress_ps2.c
index 8af34ff..6e5f70b 100644
--- a/drivers/input/mouse/cypress_ps2.c
+++ b/drivers/input/mouse/cypress_ps2.c
@@ -710,8 +710,3 @@ err_exit:

return -1;
}
-
-bool cypress_supported(void)
-{
- return true;
-}
diff --git a/drivers/input/mouse/cypress_ps2.h b/drivers/input/mouse/cypress_ps2.h
index 4720f21..81f68aa 100644
--- a/drivers/input/mouse/cypress_ps2.h
+++ b/drivers/input/mouse/cypress_ps2.h
@@ -172,7 +172,6 @@ struct cytp_data {
#ifdef CONFIG_MOUSE_PS2_CYPRESS
int cypress_detect(struct psmouse *psmouse, bool set_properties);
int cypress_init(struct psmouse *psmouse);
-bool cypress_supported(void);
#else
inline int cypress_detect(struct psmouse *psmouse, bool set_properties)
{
@@ -182,10 +181,6 @@ inline int cypress_init(struct psmouse *psmouse)
{
return -ENOSYS;
}
-inline bool cypress_supported(void)
-{
- return 0;
-}
#endif /* CONFIG_MOUSE_PS2_CYPRESS */

#endif /* _CYPRESS_PS2_H */
diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c
index fca38ba..757f78a 100644
--- a/drivers/input/mouse/focaltech.c
+++ b/drivers/input/mouse/focaltech.c
@@ -424,11 +424,6 @@ fail:
return error;
}

-bool focaltech_supported(void)
-{
- return true;
-}
-
#else /* CONFIG_MOUSE_PS2_FOCALTECH */

int focaltech_init(struct psmouse *psmouse)
@@ -438,9 +433,4 @@ int focaltech_init(struct psmouse *psmouse)
return 0;
}

-bool focaltech_supported(void)
-{
- return false;
-}
-
#endif /* CONFIG_MOUSE_PS2_FOCALTECH */
diff --git a/drivers/input/mouse/focaltech.h b/drivers/input/mouse/focaltech.h
index 71870a9..ca61ebf 100644
--- a/drivers/input/mouse/focaltech.h
+++ b/drivers/input/mouse/focaltech.h
@@ -19,6 +19,5 @@

int focaltech_detect(struct psmouse *psmouse, bool set_properties);
int focaltech_init(struct psmouse *psmouse);
-bool focaltech_supported(void);

#endif
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 68469fe..4ccd01d 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -727,7 +727,7 @@ static int psmouse_extensions(struct psmouse *psmouse,
if (psmouse_do_detect(focaltech_detect, psmouse, set_properties) == 0) {
if (max_proto > PSMOUSE_IMEX) {
if (!set_properties || focaltech_init(psmouse) == 0) {
- if (focaltech_supported())
+ if (IS_ENABLED(CONFIG_MOUSE_PS2_FOCALTECH))
return PSMOUSE_FOCALTECH;
/*
* Note that we need to also restrict
@@ -776,7 +776,7 @@ static int psmouse_extensions(struct psmouse *psmouse,
* Try activating protocol, but check if support is enabled first, since
* we try detecting Synaptics even when protocol is disabled.
*/
- if (synaptics_supported() &&
+ if (IS_ENABLED(CONFIG_MOUSE_PS2_SYNAPTICS) &&
(!set_properties || synaptics_init(psmouse) == 0)) {
return PSMOUSE_SYNAPTICS;
}
@@ -801,7 +801,7 @@ static int psmouse_extensions(struct psmouse *psmouse,
*/
if (max_proto > PSMOUSE_IMEX &&
cypress_detect(psmouse, set_properties) == 0) {
- if (cypress_supported()) {
+ if (IS_ENABLED(CONFIG_MOUSE_PS2_CYPRESS)) {
if (cypress_init(psmouse) == 0)
return PSMOUSE_CYPRESS;

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index f947292..094bf64 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -1817,11 +1817,6 @@ int synaptics_init_relative(struct psmouse *psmouse)
return __synaptics_init(psmouse, false);
}

-bool synaptics_supported(void)
-{
- return true;
-}
-
#else /* CONFIG_MOUSE_PS2_SYNAPTICS */

void __init synaptics_module_init(void)
@@ -1833,9 +1828,4 @@ int synaptics_init(struct psmouse *psmouse)
return -ENOSYS;
}

-bool synaptics_supported(void)
-{
- return false;
-}
-
#endif /* CONFIG_MOUSE_PS2_SYNAPTICS */
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index 1bd01f2..feb28a5 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -191,6 +191,5 @@ int synaptics_detect(struct psmouse *psmouse, bool set_properties);
int synaptics_init(struct psmouse *psmouse);
int synaptics_init_relative(struct psmouse *psmouse);
void synaptics_reset(struct psmouse *psmouse);
-bool synaptics_supported(void);

#endif /* _SYNAPTICS_H */
--
2.2.0.rc0.207.ga3a616c

--
Dmitry


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