Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	drivers/macintosh/adbhid.c

21 files changed, 154 insertions, 126 deletions

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index d404aa8680ea..27026f7d3c03 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -312,7 +312,7 @@ struct input_event_compat {
 #elif defined(CONFIG_S390)
 #  define COMPAT_TEST test_thread_flag(TIF_31BIT)
 #elif defined(CONFIG_MIPS)
-#  define COMPAT_TEST (current->thread.mflags & MF_32BIT_ADDR)
+#  define COMPAT_TEST test_thread_flag(TIF_32BIT_ADDR)
 #else
 #  define COMPAT_TEST test_thread_flag(TIF_32BIT)
 #endif
diff --git a/drivers/input/input.c b/drivers/input/input.c
index c59544f7e232..3070c7aa1237 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1067,87 +1067,66 @@ static void input_dev_release(struct device *device)
  * Input uevent interface - loading event handlers based on
  * device bitfields.
  */
-static int input_add_uevent_bm_var(char **envp, int num_envp, int *cur_index,
-                                   char *buffer, int buffer_size, int *cur_len,
+static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
                                    const char *name, unsigned long *bitmap, int max)
 {
-        if (*cur_index >= num_envp - 1)
-                return -ENOMEM;
-
-        envp[*cur_index] = buffer + *cur_len;
+        int len;
 
-        *cur_len += snprintf(buffer + *cur_len, max(buffer_size - *cur_len, 0), name);
-        if (*cur_len >= buffer_size)
+        if (add_uevent_var(env, "%s=", name))
                 return -ENOMEM;
 
-        *cur_len += input_print_bitmap(buffer + *cur_len,
-                                        max(buffer_size - *cur_len, 0),
-                                        bitmap, max, 0) + 1;
-        if (*cur_len > buffer_size)
+        len = input_print_bitmap(&env->buf[env->buflen - 1],
+                                 sizeof(env->buf) - env->buflen,
+                                 bitmap, max, 0);
+        if (len >= (sizeof(env->buf) - env->buflen))
                 return -ENOMEM;
 
-        (*cur_index)++;
+        env->buflen += len;
         return 0;
 }
 
-static int input_add_uevent_modalias_var(char **envp, int num_envp, int *cur_index,
-                                         char *buffer, int buffer_size, int *cur_len,
+static int input_add_uevent_modalias_var(struct kobj_uevent_env *env,
                                          struct input_dev *dev)
 {
-        if (*cur_index >= num_envp - 1)
-                return -ENOMEM;
-
-        envp[*cur_index] = buffer + *cur_len;
+        int len;
 
-        *cur_len += snprintf(buffer + *cur_len, max(buffer_size - *cur_len, 0),
-                             "MODALIAS=");
-        if (*cur_len >= buffer_size)
+        if (add_uevent_var(env, "MODALIAS="))
                 return -ENOMEM;
 
-        *cur_len += input_print_modalias(buffer + *cur_len,
-                                         max(buffer_size - *cur_len, 0),
-                                         dev, 0) + 1;
-        if (*cur_len > buffer_size)
+        len = input_print_modalias(&env->buf[env->buflen - 1],
+                                   sizeof(env->buf) - env->buflen,
+                                   dev, 0);
+        if (len >= (sizeof(env->buf) - env->buflen))
                 return -ENOMEM;
 
-        (*cur_index)++;
+        env->buflen += len;
         return 0;
 }
 
 #define INPUT_ADD_HOTPLUG_VAR(fmt, val...)                              \
         do {                                                            \
-                int err = add_uevent_var(envp, num_envp, &i,            \
-                                        buffer, buffer_size, &len,      \
-                                        fmt, val);                      \
+                int err = add_uevent_var(env, fmt, val);                \
                 if (err)                                                \
                         return err;                                     \
         } while (0)
 
 #define INPUT_ADD_HOTPLUG_BM_VAR(name, bm, max)                         \
         do {                                                            \
-                int err = input_add_uevent_bm_var(envp, num_envp, &i,   \
-                                        buffer, buffer_size, &len,      \
-                                        name, bm, max);                 \
+                int err = input_add_uevent_bm_var(env, name, bm, max);  \
                 if (err)                                                \
                         return err;                                     \
         } while (0)
 
 #define INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev)                             \
         do {                                                            \
-                int err = input_add_uevent_modalias_var(envp,           \
-                                        num_envp, &i,                   \
-                                        buffer, buffer_size, &len,      \
-                                        dev);                           \
+                int err = input_add_uevent_modalias_var(env, dev);      \
                 if (err)                                                \
                         return err;                                     \
         } while (0)
 
-static int input_dev_uevent(struct device *device, char **envp,
-                            int num_envp, char *buffer, int buffer_size)
+static int input_dev_uevent(struct device *device, struct kobj_uevent_env *env)
 {
         struct input_dev *dev = to_input_dev(device);
-        int i = 0;
-        int len = 0;
 
         INPUT_ADD_HOTPLUG_VAR("PRODUCT=%x/%x/%x/%x",
                                 dev->id.bustype, dev->id.vendor,
@@ -1179,7 +1158,6 @@ static int input_dev_uevent(struct device *device, char **envp,
 
         INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev);
 
-        envp[i] = NULL;
         return 0;
 }
 
diff --git a/drivers/input/joystick/iforce/iforce-packets.c b/drivers/input/joystick/iforce/iforce-packets.c
index 3154ccd74000..45c4939ced75 100644
--- a/drivers/input/joystick/iforce/iforce-packets.c
+++ b/drivers/input/joystick/iforce/iforce-packets.c
@@ -246,13 +246,12 @@ void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data)
 
 int iforce_get_id_packet(struct iforce *iforce, char *packet)
 {
-        int status;
-
         switch (iforce->bus) {
 
-        case IFORCE_USB:
-
+        case IFORCE_USB: {
 #ifdef CONFIG_JOYSTICK_IFORCE_USB
+                int status;
+
                 iforce->cr.bRequest = packet[0];
                 iforce->ctrl->dev = iforce->usbdev;
 
@@ -273,6 +272,7 @@ int iforce_get_id_packet(struct iforce *iforce, char *packet)
 #else
                 dbg("iforce_get_id_packet: iforce->bus = USB!");
 #endif
+                }
                 break;
 
         case IFORCE_232:
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index 3d6820b4465b..e2a3293bc67e 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -22,7 +22,6 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/input.h>
-#include <linux/irq.h>
 #include <linux/gpio_keys.h>
 
 #include <asm/gpio.h>
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 9b26574f1466..d602b8fa7d46 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -68,6 +68,7 @@ config INPUT_WISTRON_BTNS
         select INPUT_POLLDEV
         select NEW_LEDS
         select LEDS_CLASS
+        select CHECK_SIGNATURE
         help
           Say Y here for support of Winstron laptop button interface, used on
           laptops of various brands, including Acer and Fujitsu-Siemens. If
diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
index 0acc3a123604..e43e92fd9e23 100644
--- a/drivers/input/misc/atlas_btns.c
+++ b/drivers/input/misc/atlas_btns.c
@@ -31,7 +31,6 @@
 
 #define ACPI_ATLAS_NAME                 "Atlas ACPI"
 #define ACPI_ATLAS_CLASS                "Atlas"
-#define ACPI_ATLAS_BUTTON_HID           "ASIM0000"
 
 static struct input_dev *input_dev;
 
@@ -130,10 +129,16 @@ static int atlas_acpi_button_remove(struct acpi_device *device, int type)
         return status;
 }
 
+static const struct acpi_device_id atlas_device_ids[] = {
+        {"ASIM0000", 0},
+        {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, atlas_device_ids);
+
 static struct acpi_driver atlas_acpi_driver = {
         .name   = ACPI_ATLAS_NAME,
         .class  = ACPI_ATLAS_CLASS,
-        .ids    = ACPI_ATLAS_BUTTON_HID,
+        .ids    = atlas_device_ids,
         .ops    = {
                 .add    = atlas_acpi_button_add,
                 .remove = atlas_acpi_button_remove,
diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c
index 31989dcd922c..c19f77fbaf2a 100644
--- a/drivers/input/misc/pcspkr.c
+++ b/drivers/input/misc/pcspkr.c
@@ -17,14 +17,20 @@
 #include <linux/init.h>
 #include <linux/input.h>
 #include <linux/platform_device.h>
-#include <asm/8253pit.h>
 #include <asm/io.h>
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
 MODULE_DESCRIPTION("PC Speaker beeper driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:pcspkr");
 
-static DEFINE_SPINLOCK(i8253_beep_lock);
+#ifdef CONFIG_X86
+/* Use the global PIT lock ! */
+#include <asm/i8253.h>
+#else
+#include <asm/8253pit.h>
+static DEFINE_SPINLOCK(i8253_lock);
+#endif
 
 static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
 {
@@ -43,7 +49,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
         if (value > 20 && value < 32767)
                 count = PIT_TICK_RATE / value;
 
-        spin_lock_irqsave(&i8253_beep_lock, flags);
+        spin_lock_irqsave(&i8253_lock, flags);
 
         if (count) {
                 /* enable counter 2 */
@@ -58,7 +64,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
                 outb(inb_p(0x61) & 0xFC, 0x61);
         }
 
-        spin_unlock_irqrestore(&i8253_beep_lock, flags);
+        spin_unlock_irqrestore(&i8253_lock, flags);
 
         return 0;
 }
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 60121f10f8d9..b438d998625c 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -247,7 +247,7 @@ static int have_wifi;
 static int have_bluetooth;
 static int have_leds;
 
-static int __init dmi_matched(struct dmi_system_id *dmi)
+static int __init dmi_matched(const struct dmi_system_id *dmi)
 {
         const struct key_entry *key;
 
diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c
index e3215267db11..a1804bfdbb8c 100644
--- a/drivers/input/mouse/appletouch.c
+++ b/drivers/input/mouse/appletouch.c
@@ -155,6 +155,8 @@ struct atp {
         int                     xy_acc[ATP_XSENSORS + ATP_YSENSORS];
         int                     overflowwarn;   /* overflow warning printed? */
         int                     datalen;        /* size of an USB urb transfer */
+        int                     idlecount;      /* number of empty packets */
+        struct work_struct      work;
 };
 
 #define dbg_dump(msg, tab) \
@@ -208,6 +210,55 @@ static inline int atp_is_geyser_3(struct atp *dev)
                 (productId == GEYSER4_JIS_PRODUCT_ID);
 }
 
+/*
+ * By default Geyser 3 device sends standard USB HID mouse
+ * packets (Report ID 2). This code changes device mode, so it
+ * sends raw sensor reports (Report ID 5).
+ */
+static int atp_geyser3_init(struct usb_device *udev)
+{
+        char data[8];
+        int size;
+
+        size = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+                        ATP_GEYSER3_MODE_READ_REQUEST_ID,
+                        USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+                        ATP_GEYSER3_MODE_REQUEST_VALUE,
+                        ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000);
+
+        if (size != 8) {
+                err("Could not do mode read request from device"
+                    " (Geyser 3 mode)");
+                return -EIO;
+        }
+
+        /* Apply the mode switch */
+        data[0] = ATP_GEYSER3_MODE_VENDOR_VALUE;
+
+        size = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+                        ATP_GEYSER3_MODE_WRITE_REQUEST_ID,
+                        USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
+                        ATP_GEYSER3_MODE_REQUEST_VALUE,
+                        ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000);
+
+        if (size != 8) {
+                err("Could not do mode write request to device"
+                    " (Geyser 3 mode)");
+                return -EIO;
+        }
+        return 0;
+}
+
+/* Reinitialise the device if it's a geyser 3 */
+static void atp_reinit(struct work_struct *work)
+{
+        struct atp *dev = container_of(work, struct atp, work);
+        struct usb_device *udev = dev->udev;
+
+        dev->idlecount = 0;
+        atp_geyser3_init(udev);
+}
+
 static int atp_calculate_abs(int *xy_sensors, int nb_sensors, int fact,
                              int *z, int *fingers)
 {
@@ -277,6 +328,7 @@ static void atp_complete(struct urb* urb)
 {
         int x, y, x_z, y_z, x_f, y_f;
         int retval, i, j;
+        int key;
         struct atp *dev = urb->context;
 
         switch (urb->status) {
@@ -417,6 +469,7 @@ static void atp_complete(struct urb* urb)
                               ATP_XFACT, &x_z, &x_f);
         y = atp_calculate_abs(dev->xy_acc + ATP_XSENSORS, ATP_YSENSORS,
                               ATP_YFACT, &y_z, &y_f);
+        key = dev->data[dev->datalen - 1] & 1;
 
         if (x && y) {
                 if (dev->x_old != -1) {
@@ -439,8 +492,8 @@ static void atp_complete(struct urb* urb)
                 }
                 dev->x_old = x;
                 dev->y_old = y;
-        }
-        else if (!x && !y) {
+
+        } else if (!x && !y) {
 
                 dev->x_old = dev->y_old = -1;
                 input_report_key(dev->input, BTN_TOUCH, 0);
@@ -449,11 +502,21 @@ static void atp_complete(struct urb* urb)
 
                 /* reset the accumulator on release */
                 memset(dev->xy_acc, 0, sizeof(dev->xy_acc));
-        }
 
-        input_report_key(dev->input, BTN_LEFT,
-                         !!dev->data[dev->datalen - 1]);
+                /* Geyser 3 will continue to send packets continually after
+                   the first touch unless reinitialised. Do so if it's been
+                   idle for a while in order to avoid waking the kernel up
+                   several hundred times a second */
+                if (!key && atp_is_geyser_3(dev)) {
+                        dev->idlecount++;
+                        if (dev->idlecount == 10) {
+                                dev->valid = 0;
+                                schedule_work(&dev->work);
+                        }
+                }
+        }
 
+        input_report_key(dev->input, BTN_LEFT, key);
         input_sync(dev->input);
 
 exit:
@@ -480,6 +543,7 @@ static void atp_close(struct input_dev *input)
         struct atp *dev = input_get_drvdata(input);
 
         usb_kill_urb(dev->urb);
+        cancel_work_sync(&dev->work);
         dev->open = 0;
 }
 
@@ -528,40 +592,10 @@ static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id
                 dev->datalen = 81;
 
         if (atp_is_geyser_3(dev)) {
-                /*
-                 * By default Geyser 3 device sends standard USB HID mouse
-                 * packets (Report ID 2). This code changes device mode, so it
-                 * sends raw sensor reports (Report ID 5).
-                 */
-                char data[8];
-                int size;
-
-                size = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
-                        ATP_GEYSER3_MODE_READ_REQUEST_ID,
-                        USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
-                        ATP_GEYSER3_MODE_REQUEST_VALUE,
-                        ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000);
-
-                if (size != 8) {
-                        err("Could not do mode read request from device"
-                                                        " (Geyser 3 mode)");
+                /* switch to raw sensor mode */
+                if (atp_geyser3_init(udev))
                         goto err_free_devs;
-                }
-
-                /* Apply the mode switch */
-                data[0] = ATP_GEYSER3_MODE_VENDOR_VALUE;
-
-                size = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
-                        ATP_GEYSER3_MODE_WRITE_REQUEST_ID,
-                        USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
-                        ATP_GEYSER3_MODE_REQUEST_VALUE,
-                        ATP_GEYSER3_MODE_REQUEST_INDEX, &data, 8, 5000);
 
-                if (size != 8) {
-                        err("Could not do mode write request to device"
-                                                        " (Geyser 3 mode)");
-                        goto err_free_devs;
-                }
                 printk("appletouch Geyser 3 inited.\n");
         }
 
@@ -636,6 +670,8 @@ static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id
         /* save our data pointer in this interface device */
         usb_set_intfdata(iface, dev);
 
+        INIT_WORK(&dev->work, atp_reinit);
+
         return 0;
 
  err_free_buffer:
@@ -669,14 +705,17 @@ static void atp_disconnect(struct usb_interface *iface)
 static int atp_suspend(struct usb_interface *iface, pm_message_t message)
 {
         struct atp *dev = usb_get_intfdata(iface);
+
         usb_kill_urb(dev->urb);
         dev->valid = 0;
+
         return 0;
 }
 
 static int atp_resume(struct usb_interface *iface)
 {
         struct atp *dev = usb_get_intfdata(iface);
+
         if (dev->open && usb_submit_urb(dev->urb, GFP_ATOMIC))
                 return -EIO;
 
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index 9561dee120c6..d7de4c53b3d8 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -27,7 +27,7 @@ struct lifebook_data {
 
 static const char *desired_serio_phys;
 
-static int lifebook_set_serio_phys(struct dmi_system_id *d)
+static int lifebook_set_serio_phys(const struct dmi_system_id *d)
 {
         desired_serio_phys = d->driver_data;
         return 0;
@@ -35,13 +35,13 @@ static int lifebook_set_serio_phys(struct dmi_system_id *d)
 
 static unsigned char lifebook_use_6byte_proto;
 
-static int lifebook_set_6byte_proto(struct dmi_system_id *d)
+static int lifebook_set_6byte_proto(const struct dmi_system_id *d)
 {
         lifebook_use_6byte_proto = 1;
         return 0;
 }
 
-static struct dmi_system_id lifebook_dmi_table[] = {
+static const struct dmi_system_id lifebook_dmi_table[] = {
         {
                 .ident = "FLORA-ie 55mi",
                 .matches = {
@@ -117,7 +117,7 @@ static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse)
 {
         struct lifebook_data *priv = psmouse->private;
         struct input_dev *dev1 = psmouse->dev;
-        struct input_dev *dev2 = priv->dev2;
+        struct input_dev *dev2 = priv ? priv->dev2 : NULL;
         unsigned char *packet = psmouse->packet;
         int relative_packet = packet[0] & 0x08;
 
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 666ad3a53fdb..d349c4a5e3e8 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -602,7 +602,7 @@ static int synaptics_reconnect(struct psmouse *psmouse)
 
 #if defined(__i386__)
 #include <linux/dmi.h>
-static struct dmi_system_id toshiba_dmi_table[] = {
+static const struct dmi_system_id toshiba_dmi_table[] = {
         {
                 .ident = "Toshiba Satellite",
                 .matches = {
diff --git a/drivers/input/mouse/touchkit_ps2.h b/drivers/input/mouse/touchkit_ps2.h
index 61e9dfd8419f..8a0dd3574aef 100644
--- a/drivers/input/mouse/touchkit_ps2.h
+++ b/drivers/input/mouse/touchkit_ps2.h
@@ -15,7 +15,8 @@
 #ifdef CONFIG_MOUSE_PS2_TOUCHKIT
 int touchkit_ps2_detect(struct psmouse *psmouse, int set_properties);
 #else
-inline int touchkit_ps2_detect(struct psmouse *psmouse, int set_properties)
+static inline int touchkit_ps2_detect(struct psmouse *psmouse,
+                                      int set_properties)
 {
         return -ENOSYS;
 }
diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig
index adef447f23ea..5ce632ca6815 100644
--- a/drivers/input/serio/Kconfig
+++ b/drivers/input/serio/Kconfig
@@ -21,7 +21,7 @@ if SERIO
 config SERIO_I8042
         tristate "i8042 PC Keyboard controller" if EMBEDDED || !X86
         default y
-        depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && !M68K
+        depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && !M68K && !BFIN
         ---help---
           i8042 is the chip over which the standard AT keyboard and PS/2
           mouse are connected to the computer. If you use these devices,
diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c
index 5a7b49c35539..b10ffae7c39b 100644
--- a/drivers/input/serio/ambakmi.c
+++ b/drivers/input/serio/ambakmi.c
@@ -117,15 +117,13 @@ static int amba_kmi_probe(struct amba_device *dev, void *id)
         if (ret)
                 return ret;
 
-        kmi = kmalloc(sizeof(struct amba_kmi_port), GFP_KERNEL);
-        io = kmalloc(sizeof(struct serio), GFP_KERNEL);
+        kmi = kzalloc(sizeof(struct amba_kmi_port), GFP_KERNEL);
+        io = kzalloc(sizeof(struct serio), GFP_KERNEL);
         if (!kmi || !io) {
                 ret = -ENOMEM;
                 goto out;
         }
 
-        memset(kmi, 0, sizeof(struct amba_kmi_port));
-        memset(io, 0, sizeof(struct serio));
 
         io->id.type     = SERIO_8042;
         io->write       = amba_kmi_write;
diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
index 74f14e097789..3e99df6be084 100644
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -340,8 +340,8 @@ static int __init gscps2_probe(struct parisc_device *dev)
         if (dev->id.sversion == 0x96)
                 hpa += GSC_DINO_OFFSET;
 
-        ps2port = kmalloc(sizeof(struct gscps2port), GFP_KERNEL);
-        serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
+        ps2port = kzalloc(sizeof(struct gscps2port), GFP_KERNEL);
+        serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
         if (!ps2port || !serio) {
                 ret = -ENOMEM;
                 goto fail_nomem;
@@ -349,8 +349,6 @@ static int __init gscps2_probe(struct parisc_device *dev)
 
         dev_set_drvdata(&dev->dev, ps2port);
 
-        memset(ps2port, 0, sizeof(struct gscps2port));
-        memset(serio, 0, sizeof(struct serio));
         ps2port->port = serio;
         ps2port->padev = dev;
         ps2port->addr = ioremap_nocache(hpa, GSC_STATUS + 4);
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 702a526cf45b..f8fe42148093 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -211,6 +211,16 @@ static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
                 },
         },
         {
+                /*
+                 * Like DV4017EA does not raise AUXERR for errors on MUX ports.
+                 */
+                .ident = "HP Pavilion DV4270ca",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
+                },
+        },
+        {
                 .ident = "Toshiba P10",
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 42aa4ec72661..11dafc0ee994 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -516,6 +516,7 @@ static irqreturn_t __devinit i8042_aux_test_irq(int irq, void *dev_id)
 {
         unsigned long flags;
         unsigned char str, data;
+        int ret = 0;
 
         spin_lock_irqsave(&i8042_lock, flags);
         str = i8042_read_status();
@@ -524,10 +525,11 @@ static irqreturn_t __devinit i8042_aux_test_irq(int irq, void *dev_id)
                 if (i8042_irq_being_tested &&
                     data == 0xa5 && (str & I8042_STR_AUXDATA))
                         complete(&i8042_aux_irq_delivered);
+                ret = 1;
         }
         spin_unlock_irqrestore(&i8042_lock, flags);
 
-        return IRQ_HANDLED;
+        return IRQ_RETVAL(ret);
 }
 
 /*
@@ -1042,7 +1044,7 @@ static void __devinit i8042_register_ports(void)
         }
 }
 
-static void __devinit i8042_unregister_ports(void)
+static void __devexit i8042_unregister_ports(void)
 {
         int i;
 
diff --git a/drivers/input/serio/pcips2.c b/drivers/input/serio/pcips2.c
index ea5e3c6ddb62..1b404f9e3bff 100644
--- a/drivers/input/serio/pcips2.c
+++ b/drivers/input/serio/pcips2.c
@@ -140,15 +140,13 @@ static int __devinit pcips2_probe(struct pci_dev *dev, const struct pci_device_i
         if (ret)
                 goto disable;
 
-        ps2if = kmalloc(sizeof(struct pcips2_data), GFP_KERNEL);
-        serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
+        ps2if = kzalloc(sizeof(struct pcips2_data), GFP_KERNEL);
+        serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
         if (!ps2if || !serio) {
                 ret = -ENOMEM;
                 goto release;
         }
 
-        memset(ps2if, 0, sizeof(struct pcips2_data));
-        memset(serio, 0, sizeof(struct serio));
 
         serio->id.type          = SERIO_8042;
         serio->write            = pcips2_write;
diff --git a/drivers/input/serio/sa1111ps2.c b/drivers/input/serio/sa1111ps2.c
index d31ece8f68e9..2ad88780a170 100644
--- a/drivers/input/serio/sa1111ps2.c
+++ b/drivers/input/serio/sa1111ps2.c
@@ -234,15 +234,13 @@ static int __devinit ps2_probe(struct sa1111_dev *dev)
         struct serio *serio;
         int ret;
 
-        ps2if = kmalloc(sizeof(struct ps2if), GFP_KERNEL);
-        serio = kmalloc(sizeof(struct serio), GFP_KERNEL);
+        ps2if = kzalloc(sizeof(struct ps2if), GFP_KERNEL);
+        serio = kzalloc(sizeof(struct serio), GFP_KERNEL);
         if (!ps2if || !serio) {
                 ret = -ENOMEM;
                 goto free;
         }
 
-        memset(ps2if, 0, sizeof(struct ps2if));
-        memset(serio, 0, sizeof(struct serio));
 
         serio->id.type          = SERIO_8042;
         serio->write            = ps2_write;
diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
index 372ca4931194..b3bc15acd3f5 100644
--- a/drivers/input/serio/serio.c
+++ b/drivers/input/serio/serio.c
@@ -876,18 +876,14 @@ static int serio_bus_match(struct device *dev, struct device_driver *drv)
 
 #define SERIO_ADD_UEVENT_VAR(fmt, val...)                               \
         do {                                                            \
-                int err = add_uevent_var(envp, num_envp, &i,    \
-                                        buffer, buffer_size, &len,      \
-                                        fmt, val);                      \
+                int err = add_uevent_var(env, fmt, val);                \
                 if (err)                                                \
                         return err;                                     \
         } while (0)
 
-static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size)
+static int serio_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
         struct serio *serio;
-        int i = 0;
-        int len = 0;
 
         if (!dev)
                 return -ENODEV;
@@ -900,7 +896,6 @@ static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buf
         SERIO_ADD_UEVENT_VAR("SERIO_EXTRA=%02x", serio->id.extra);
         SERIO_ADD_UEVENT_VAR("MODALIAS=serio:ty%02Xpr%02Xid%02Xex%02X",
                                 serio->id.type, serio->id.proto, serio->id.id, serio->id.extra);
-        envp[i] = NULL;
 
         return 0;
 }
@@ -908,7 +903,7 @@ static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buf
 
 #else
 
-static int serio_uevent(struct device *dev, char **envp, int num_envp, char *buffer, int buffer_size)
+static int serio_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
         return -ENODEV;
 }
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 9b3a26cd1a8d..9fb3d5c30999 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -856,7 +856,7 @@ static int usbtouch_probe(struct usb_interface *intf,
                          le16_to_cpu(udev->descriptor.idProduct));
 
         usb_make_path(udev, usbtouch->phys, sizeof(usbtouch->phys));
-        strlcpy(usbtouch->phys, "/input0", sizeof(usbtouch->phys));
+        strlcat(usbtouch->phys, "/input0", sizeof(usbtouch->phys));
 
         input_dev->name = usbtouch->name;
         input_dev->phys = usbtouch->phys;