Re: [PATCH] Input: psmouse - use IS_ENABLED instead of homegrown code

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Hi,

Looks good to me:

Acked-by: Hans de Goede <hdegoede@xxxxxxxxxx>

Regards,

Hans


On 29-12-14 21:11, Dmitry Torokhov wrote:
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@xxxxxxxxx>
---
  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 */

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