Input: rework psmouse attributes to reduce module size

Rearrange attribute code to use generic show and set handlers
instead of replicating them for every attribute; switch to
using attribute_group instead of creating all attributes
manually. All this saves about 4K.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 7 insertions, 5 deletions

diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index 48d2b20d2642..e65c2798a491 100644
--- a/drivers/input/mouse/logips2pp.c
+++ b/drivers/input/mouse/logips2pp.c
@@ -150,12 +150,12 @@ static void ps2pp_set_smartscroll(struct psmouse *psmouse, unsigned int smartscr
         ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
 }
 
-static ssize_t psmouse_attr_show_smartscroll(struct psmouse *psmouse, char *buf)
+static ssize_t ps2pp_attr_show_smartscroll(struct psmouse *psmouse, void *data, char *buf)
 {
         return sprintf(buf, "%d\n", psmouse->smartscroll ? 1 : 0);
 }
 
-static ssize_t psmouse_attr_set_smartscroll(struct psmouse *psmouse, const char *buf, size_t count)
+static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data, const char *buf, size_t count)
 {
         unsigned long value;
         char *rest;
@@ -169,7 +169,8 @@ static ssize_t psmouse_attr_set_smartscroll(struct psmouse *psmouse, const char
         return count;
 }
 
-PSMOUSE_DEFINE_ATTR(smartscroll);
+PSMOUSE_DEFINE_ATTR(smartscroll, S_IWUSR | S_IRUGO, NULL,
+                        ps2pp_attr_show_smartscroll, ps2pp_attr_set_smartscroll);
 
 /*
  * Support 800 dpi resolution _only_ if the user wants it (there are good
@@ -194,7 +195,7 @@ static void ps2pp_set_resolution(struct psmouse *psmouse, unsigned int resolutio
 
 static void ps2pp_disconnect(struct psmouse *psmouse)
 {
-        device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll);
+        device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll.dattr);
 }
 
 static struct ps2pp_info *get_model_info(unsigned char model)
@@ -379,7 +380,8 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties)
                                 psmouse->set_resolution = ps2pp_set_resolution;
                                 psmouse->disconnect = ps2pp_disconnect;
 
-                                device_create_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll);
+                                device_create_file(&psmouse->ps2dev.serio->dev,
+                                                   &psmouse_attr_smartscroll.dattr);
                         }
                 }