Andres Salomon wrote:
> Andres Salomon wrote:
>> Dmitry Torokhov wrote:
>>> On 12/13/06, Andres Salomon <[email protected]> wrote:
>>>> Alright, I guess we're down to a matter of taste then. I'll change the
>>>> patch to still have a monolithic psmouse that allows protocols to be
>>>> enabled/disabled via Kconfig.
>>>>
>>> That'd be great. Thanks!
>>>
>> Yikes, almost forgot to send this. Here you go; 3 patches total.
>> Please let me know if there are any other change. The first is attached.
^
Er, let me know if you'd like any other changes.
>>
>
> Here's the second; everything is split except for the synaptic stuff.
>
And finally, the third splits out the synaptic stuff.
My initial tests show that compiling the psmouse driver for a specific
protocol extension can cut the driver's size by more than half.
>From ba82c3e427cd9e319e5d8898c2f730589da698a6 Mon Sep 17 00:00:00 2001
From: Andres Salomon <[email protected]>
Date: Tue, 26 Dec 2006 17:13:42 -0500
Subject: [PATCH] Allow disabling of synaptic protocol extension
This allows disabling of synaptic; basically, it leaves synaptic_detect()
and synaptic_reset() (for synaptic hardware emulating other protocols), but
gets rid of synaptic_init.
Signed-off-by: Andres Salomon <[email protected]>
---
drivers/input/mouse/Makefile | 6 +-----
drivers/input/mouse/psmouse-base.c | 5 +++++
drivers/input/mouse/synaptics.c | 34 ++++++++++++++++++++++------------
3 files changed, 28 insertions(+), 17 deletions(-)
diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
index e7c7fbb..76722ec 100644
--- a/drivers/input/mouse/Makefile
+++ b/drivers/input/mouse/Makefile
@@ -14,7 +14,7 @@ obj-$(CONFIG_MOUSE_SERIAL) += sermouse.o
obj-$(CONFIG_MOUSE_HIL) += hil_ptr.o
obj-$(CONFIG_MOUSE_VSXXXAA) += vsxxxaa.o
-psmouse-objs := psmouse-base.o
+psmouse-objs := psmouse-base.o synaptics.o
ifeq ($(CONFIG_MOUSE_PS2_ALPS),y)
psmouse-objs += alps.o
@@ -24,10 +24,6 @@ ifeq ($(CONFIG_MOUSE_PS2_LOGIPS2PP),y)
psmouse-objs += logips2pp.o
endif
-ifeq ($(CONFIG_MOUSE_PS2_SYNAPTICS),y)
-psmouse-objs += synaptics.o
-endif
-
ifeq ($(CONFIG_MOUSE_PS2_LIFEBOOK),y)
psmouse-objs += lifebook.o
endif
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 6b3ac9d..bfb47e1 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -583,8 +583,11 @@ #endif
synaptics_hardware = 1;
if (max_proto > PSMOUSE_IMEX) {
+#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
if (!set_properties || synaptics_init(psmouse) == 0)
return PSMOUSE_SYNAPTICS;
+#endif
+
/*
* Some Synaptics touchpads can emulate extended protocols (like IMPS/2).
* Unfortunately Logitech/Genius probes confuse some firmware versions so
@@ -702,6 +705,7 @@ #endif
.maxproto = 1,
.detect = im_explorer_detect,
},
+#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
{
.type = PSMOUSE_SYNAPTICS,
.name = "SynPS/2",
@@ -709,6 +713,7 @@ #endif
.detect = synaptics_detect,
.init = synaptics_init,
},
+#endif
#ifdef CONFIG_MOUSE_PS2_ALPS
{
.type = PSMOUSE_ALPS,
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 49ac696..5d69f52 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -45,28 +45,30 @@ #define YMAX_NOMINAL 4448
****************************************************************************/
/*
- * Send a command to the synpatics touchpad by special commands
+ * Set the synaptics touchpad mode byte by special commands
*/
-static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param)
+static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode)
{
- if (psmouse_sliced_command(psmouse, c))
+ unsigned char param[1];
+
+ if (psmouse_sliced_command(psmouse, mode))
return -1;
- if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO))
+ param[0] = SYN_PS_SET_MODE2;
+ if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE))
return -1;
return 0;
}
+#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
+
/*
- * Set the synaptics touchpad mode byte by special commands
+ * Send a command to the synpatics touchpad by special commands
*/
-static int synaptics_mode_cmd(struct psmouse *psmouse, unsigned char mode)
+static int synaptics_send_cmd(struct psmouse *psmouse, unsigned char c, unsigned char *param)
{
- unsigned char param[1];
-
- if (psmouse_sliced_command(psmouse, mode))
+ if (psmouse_sliced_command(psmouse, c))
return -1;
- param[0] = SYN_PS_SET_MODE2;
- if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_SETRATE))
+ if (ps2_command(&psmouse->ps2dev, param, PSMOUSE_CMD_GETINFO))
return -1;
return 0;
}
@@ -529,12 +531,16 @@ static void set_input_params(struct inpu
clear_bit(REL_Y, dev->relbit);
}
+#endif /* CONFIG_MOUSE_PS2_SYNAPTICS */
+
void synaptics_reset(struct psmouse *psmouse)
{
/* reset touchpad back to relative mode, gestures enabled */
synaptics_mode_cmd(psmouse, 0);
}
+#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
+
static void synaptics_disconnect(struct psmouse *psmouse)
{
synaptics_reset(psmouse);
@@ -569,6 +575,8 @@ static int synaptics_reconnect(struct ps
return 0;
}
+#endif /* CONFIG_MOUSE_PS2_SYNAPTICS */
+
int synaptics_detect(struct psmouse *psmouse, int set_properties)
{
struct ps2dev *ps2dev = &psmouse->ps2dev;
@@ -593,6 +601,8 @@ int synaptics_detect(struct psmouse *psm
return 0;
}
+#ifdef CONFIG_MOUSE_PS2_SYNAPTICS
+
#if defined(__i386__)
#include <linux/dmi.h>
static struct dmi_system_id toshiba_dmi_table[] = {
@@ -679,4 +689,4 @@ #endif
return -1;
}
-
+#endif /* CONFIG_MOUSE_PS2_SYNAPTICS */
--
1.4.1
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