diff options
| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-12-03 23:21:14 -0800 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-12-03 23:25:36 -0800 |
| commit | 7705d548cbe33f18ea7713b9a07aa11047aaeca4 (patch) | |
| tree | 2d7b4337e74f6075f28718974a8c159f07c5eeda /drivers/input/mouse/synaptics.c | |
| parent | f72a28aba92d5a599c8a772e443aa8f079b3091f (diff) | |
Input: psmouse - do not carry DMI data around
DMI tables use considerable amount of memory. Mark them as __initconst
so they will be discarded once module is loaded.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/mouse/synaptics.c')
| -rw-r--r-- | drivers/input/mouse/synaptics.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index f4a61252bcc9..36d6df4c0a78 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -24,6 +24,7 @@ */ #include <linux/module.h> +#include <linux/dmi.h> #include <linux/input.h> #include <linux/serio.h> #include <linux/libps2.h> @@ -629,9 +630,10 @@ static int synaptics_reconnect(struct psmouse *psmouse) return 0; } -#if defined(__i386__) -#include <linux/dmi.h> -static const struct dmi_system_id toshiba_dmi_table[] = { +static bool impaired_toshiba_kbc; + +static const struct dmi_system_id __initconst toshiba_dmi_table[] = { +#if defined(CONFIG_DMI) && defined(CONFIG_X86) { .ident = "Toshiba Satellite", .matches = { @@ -664,8 +666,13 @@ static const struct dmi_system_id toshiba_dmi_table[] = { }, { } -}; #endif +}; + +void __init synaptics_module_init(void) +{ + impaired_toshiba_kbc = dmi_check_system(toshiba_dmi_table); +} int synaptics_init(struct psmouse *psmouse) { @@ -718,18 +725,16 @@ int synaptics_init(struct psmouse *psmouse) if (SYN_CAP_PASS_THROUGH(priv->capabilities)) synaptics_pt_create(psmouse); -#if defined(__i386__) /* * Toshiba's KBC seems to have trouble handling data from * Synaptics as full rate, switch to lower rate which is roughly * thye same as rate of standard PS/2 mouse. */ - if (psmouse->rate >= 80 && dmi_check_system(toshiba_dmi_table)) { + if (psmouse->rate >= 80 && impaired_toshiba_kbc) { printk(KERN_INFO "synaptics: Toshiba %s detected, limiting rate to 40pps.\n", dmi_get_system_info(DMI_PRODUCT_NAME)); psmouse->rate = 40; } -#endif return 0; @@ -740,6 +745,10 @@ int synaptics_init(struct psmouse *psmouse) #else /* CONFIG_MOUSE_PS2_SYNAPTICS */ +void __init synaptics_module_init(void) +{ +} + int synaptics_init(struct psmouse *psmouse) { return -ENOSYS; |