5 files changed, 62 insertions, 33 deletions

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 2d65411f6763..a92d81567559 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -647,6 +647,47 @@ static int str_to_user(const char *str, unsigned int maxlen, void __user *p)
         return copy_to_user(p, str, len) ? -EFAULT : len;
 }
 
+#define OLD_KEY_MAX     0x1ff
+static int handle_eviocgbit(struct input_dev *dev, unsigned int cmd, void __user *p, int compat_mode)
+{
+        static unsigned long keymax_warn_time;
+        unsigned long *bits;
+        int len;
+
+        switch (_IOC_NR(cmd) & EV_MAX) {
+
+        case      0: bits = dev->evbit;  len = EV_MAX;  break;
+        case EV_KEY: bits = dev->keybit; len = KEY_MAX; break;
+        case EV_REL: bits = dev->relbit; len = REL_MAX; break;
+        case EV_ABS: bits = dev->absbit; len = ABS_MAX; break;
+        case EV_MSC: bits = dev->mscbit; len = MSC_MAX; break;
+        case EV_LED: bits = dev->ledbit; len = LED_MAX; break;
+        case EV_SND: bits = dev->sndbit; len = SND_MAX; break;
+        case EV_FF:  bits = dev->ffbit;  len = FF_MAX;  break;
+        case EV_SW:  bits = dev->swbit;  len = SW_MAX;  break;
+        default: return -EINVAL;
+        }
+
+        /*
+         * Work around bugs in userspace programs that like to do
+         * EVIOCGBIT(EV_KEY, KEY_MAX) and not realize that 'len'
+         * should be in bytes, not in bits.
+         */
+        if ((_IOC_NR(cmd) & EV_MAX) == EV_KEY && _IOC_SIZE(cmd) == OLD_KEY_MAX) {
+                len = OLD_KEY_MAX;
+                if (printk_timed_ratelimit(&keymax_warn_time, 10 * 1000))
+                        printk(KERN_WARNING
+                                "evdev.c(EVIOCGBIT): Suspicious buffer size %d, "
+                                "limiting output to %d bytes. See "
+                                "http://userweb.kernel.org/~dtor/eviocgbit-bug.html\n",
+                                OLD_KEY_MAX,
+                                BITS_TO_LONGS(OLD_KEY_MAX) * sizeof(long));
+        }
+
+        return bits_to_user(bits, len, _IOC_SIZE(cmd), p, compat_mode);
+}
+#undef OLD_KEY_MAX
+
 static long evdev_do_ioctl(struct file *file, unsigned int cmd,
                            void __user *p, int compat_mode)
 {
@@ -733,26 +774,8 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
 
                 if (_IOC_DIR(cmd) == _IOC_READ) {
 
-                        if ((_IOC_NR(cmd) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0))) {
-
-                                unsigned long *bits;
-                                int len;
-
-                                switch (_IOC_NR(cmd) & EV_MAX) {
-
-                                case      0: bits = dev->evbit;  len = EV_MAX;  break;
-                                case EV_KEY: bits = dev->keybit; len = KEY_MAX; break;
-                                case EV_REL: bits = dev->relbit; len = REL_MAX; break;
-                                case EV_ABS: bits = dev->absbit; len = ABS_MAX; break;
-                                case EV_MSC: bits = dev->mscbit; len = MSC_MAX; break;
-                                case EV_LED: bits = dev->ledbit; len = LED_MAX; break;
-                                case EV_SND: bits = dev->sndbit; len = SND_MAX; break;
-                                case EV_FF:  bits = dev->ffbit;  len = FF_MAX;  break;
-                                case EV_SW:  bits = dev->swbit;  len = SW_MAX;  break;
-                                default: return -EINVAL;
-                                }
-                                return bits_to_user(bits, len, _IOC_SIZE(cmd), p, compat_mode);
-                        }
+                        if ((_IOC_NR(cmd) & ~EV_MAX) == _IOC_NR(EVIOCGBIT(0, 0)))
+                                return handle_eviocgbit(dev, cmd, p, compat_mode);
 
                         if (_IOC_NR(cmd) == _IOC_NR(EVIOCGKEY(0)))
                                 return bits_to_user(dev->key, KEY_MAX, _IOC_SIZE(cmd),
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 87d3e7eabffd..6791be81eb29 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -127,6 +127,7 @@ static const struct xpad_device {
         { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 },
         { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
         { 0x0c12, 0x8802, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX },
+        { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", MAP_DPAD_TO_AXES, XTYPE_XBOX },
         { 0x0c12, 0x8810, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX },
         { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", MAP_DPAD_TO_AXES, XTYPE_XBOX },
         { 0x0e4c, 0x1097, "Radica Gamester Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX },
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index be58730e636a..3f48279f2195 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -118,6 +118,7 @@ static int __devinit gpio_keys_probe(struct platform_device *pdev)
                 unsigned int type = button->type ?: EV_KEY;
 
                 bdata->input = input;
+                bdata->button = button;
                 setup_timer(&bdata->timer,
                             gpio_check_button, (unsigned long)bdata);
 
@@ -256,7 +257,7 @@ static int gpio_keys_resume(struct platform_device *pdev)
 #define gpio_keys_resume        NULL
 #endif
 
-struct platform_driver gpio_keys_device_driver = {
+static struct platform_driver gpio_keys_device_driver = {
         .probe          = gpio_keys_probe,
         .remove         = __devexit_p(gpio_keys_remove),
         .suspend        = gpio_keys_suspend,
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index fe732a574ec2..3282b741e246 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -394,6 +394,13 @@ static struct dmi_system_id __initdata i8042_dmi_dritek_table[] = {
                         DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
                 },
         },
+        {
+                .ident = "Acer TravelMate 4280",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
+                },
+        },
         { }
 };
 
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 6e60a97a234c..25287e80e236 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -249,29 +249,26 @@ config TOUCHSCREEN_WM97XX
 config TOUCHSCREEN_WM9705
         bool "WM9705 Touchscreen interface support"
         depends on TOUCHSCREEN_WM97XX
+        default y
         help
-          Say Y here if you have a Wolfson Microelectronics WM9705
-          touchscreen controller connected to your system.
-
-          If unsure, say N.
+          Say Y here to enable support for the Wolfson Microelectronics
+          WM9705 touchscreen controller.
 
 config TOUCHSCREEN_WM9712
         bool "WM9712 Touchscreen interface support"
         depends on TOUCHSCREEN_WM97XX
+        default y
         help
-          Say Y here if you have a Wolfson Microelectronics WM9712
-          touchscreen controller connected to your system.
-
-          If unsure, say N.
+          Say Y here to enable support for the Wolfson Microelectronics
+          WM9712 touchscreen controller.
 
 config TOUCHSCREEN_WM9713
         bool "WM9713 Touchscreen interface support"
         depends on TOUCHSCREEN_WM97XX
+        default y
         help
-          Say Y here if you have a Wolfson Microelectronics WM9713 touchscreen
-          controller connected to your system.
-
-          If unsure, say N.
+          Say Y here to enable support for the Wolfson Microelectronics
+          WM9713 touchscreen controller.
 
 config TOUCHSCREEN_WM97XX_MAINSTONE
         tristate "WM97xx Mainstone accelerated touch"