15 files changed, 364 insertions, 160 deletions

diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index dee6706038aa..258c639571b5 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -59,7 +59,8 @@ static void evdev_pass_event(struct evdev_client *client,
         client->head &= EVDEV_BUFFER_SIZE - 1;
         spin_unlock(&client->buffer_lock);
 
-        kill_fasync(&client->fasync, SIGIO, POLL_IN);
+        if (event->type == EV_SYN)
+                kill_fasync(&client->fasync, SIGIO, POLL_IN);
 }
 
 /*
diff --git a/drivers/input/input.c b/drivers/input/input.c
index ab060710688f..86cb2d2196ff 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -24,6 +24,7 @@
 #include <linux/mutex.h>
 #include <linux/rcupdate.h>
 #include <linux/smp_lock.h>
+#include "input-compat.h"
 
 MODULE_AUTHOR("Vojtech Pavlik <vojtech@suse.cz>");
 MODULE_DESCRIPTION("Input core");
@@ -45,6 +46,7 @@ static unsigned int input_abs_bypass_init_data[] __initdata = {
         ABS_MT_TOOL_TYPE,
         ABS_MT_BLOB_ID,
         ABS_MT_TRACKING_ID,
+        ABS_MT_PRESSURE,
         0
 };
 static unsigned long input_abs_bypass[BITS_TO_LONGS(ABS_CNT)];
@@ -764,6 +766,40 @@ static int input_attach_handler(struct input_dev *dev, struct input_handler *han
         return error;
 }
 
+#ifdef CONFIG_COMPAT
+
+static int input_bits_to_string(char *buf, int buf_size,
+                                unsigned long bits, bool skip_empty)
+{
+        int len = 0;
+
+        if (INPUT_COMPAT_TEST) {
+                u32 dword = bits >> 32;
+                if (dword || !skip_empty)
+                        len += snprintf(buf, buf_size, "%x ", dword);
+
+                dword = bits & 0xffffffffUL;
+                if (dword || !skip_empty || len)
+                        len += snprintf(buf + len, max(buf_size - len, 0),
+                                        "%x", dword);
+        } else {
+                if (bits || !skip_empty)
+                        len += snprintf(buf, buf_size, "%lx", bits);
+        }
+
+        return len;
+}
+
+#else /* !CONFIG_COMPAT */
+
+static int input_bits_to_string(char *buf, int buf_size,
+                                unsigned long bits, bool skip_empty)
+{
+        return bits || !skip_empty ?
+                snprintf(buf, buf_size, "%lx", bits) : 0;
+}
+
+#endif
 
 #ifdef CONFIG_PROC_FS
 
@@ -832,14 +868,25 @@ static void input_seq_print_bitmap(struct seq_file *seq, const char *name,
                                    unsigned long *bitmap, int max)
 {
         int i;
-
-        for (i = BITS_TO_LONGS(max) - 1; i > 0; i--)
-                if (bitmap[i])
-                        break;
+        bool skip_empty = true;
+        char buf[18];
 
         seq_printf(seq, "B: %s=", name);
-        for (; i >= 0; i--)
-                seq_printf(seq, "%lx%s", bitmap[i], i > 0 ? " " : "");
+
+        for (i = BITS_TO_LONGS(max) - 1; i >= 0; i--) {
+                if (input_bits_to_string(buf, sizeof(buf),
+                                         bitmap[i], skip_empty)) {
+                        skip_empty = false;
+                        seq_printf(seq, "%s%s", buf, i > 0 ? " " : "");
+                }
+        }
+
+        /*
+         * If no output was produced print a single 0.
+         */
+        if (skip_empty)
+                seq_puts(seq, "0");
+
         seq_putc(seq, '\n');
 }
 
@@ -1128,14 +1175,23 @@ static int input_print_bitmap(char *buf, int buf_size, unsigned long *bitmap,
 {
         int i;
         int len = 0;
+        bool skip_empty = true;
+
+        for (i = BITS_TO_LONGS(max) - 1; i >= 0; i--) {
+                len += input_bits_to_string(buf + len, max(buf_size - len, 0),
+                                            bitmap[i], skip_empty);
+                if (len) {
+                        skip_empty = false;
+                        if (i > 0)
+                                len += snprintf(buf + len, max(buf_size - len, 0), " ");
+                }
+        }
 
-        for (i = BITS_TO_LONGS(max) - 1; i > 0; i--)
-                if (bitmap[i])
-                        break;
-
-        for (; i >= 0; i--)
-                len += snprintf(buf + len, max(buf_size - len, 0),
-                                "%lx%s", bitmap[i], i > 0 ? " " : "");
+        /*
+         * If no output was produced print a single 0.
+         */
+        if (len == 0)
+                len = snprintf(buf, buf_size, "%d", 0);
 
         if (add_cr)
                 len += snprintf(buf + len, max(buf_size - len, 0), "\n");
@@ -1150,7 +1206,8 @@ static ssize_t input_dev_show_cap_##bm(struct device *dev,		\
 {                                                                       \
         struct input_dev *input_dev = to_input_dev(dev);                \
         int len = input_print_bitmap(buf, PAGE_SIZE,                    \
-                                     input_dev->bm##bit, ev##_MAX, 1);  \
+                                     input_dev->bm##bit, ev##_MAX,      \
+                                     true);                             \
         return min_t(int, len, PAGE_SIZE);                              \
 }                                                                       \
 static DEVICE_ATTR(bm, S_IRUGO, input_dev_show_cap_##bm, NULL)
@@ -1214,7 +1271,7 @@ static int input_add_uevent_bm_var(struct kobj_uevent_env *env,
 
         len = input_print_bitmap(&env->buf[env->buflen - 1],
                                  sizeof(env->buf) - env->buflen,
-                                 bitmap, max, 0);
+                                 bitmap, max, false);
         if (len >= (sizeof(env->buf) - env->buflen))
                 return -ENOMEM;
 
diff --git a/drivers/input/joystick/gf2k.c b/drivers/input/joystick/gf2k.c
index 67c207f5b1a1..45ac70eae0aa 100644
--- a/drivers/input/joystick/gf2k.c
+++ b/drivers/input/joystick/gf2k.c
@@ -277,7 +277,7 @@ static int gf2k_connect(struct gameport *gameport, struct gameport_driver *drv)
         }
 
 #ifdef RESET_WORKS
-        if ((gf2k->id != (GB(19,2,0) | GB(15,3,2) | GB(12,3,5))) ||
+        if ((gf2k->id != (GB(19,2,0) | GB(15,3,2) | GB(12,3,5))) &&
             (gf2k->id != (GB(31,2,0) | GB(27,3,2) | GB(24,3,5)))) {
                 err = -ENODEV;
                 goto fail2;
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index 482cb1204e43..8a28fb7846dc 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -446,7 +446,7 @@ static void xpad_irq_in(struct urb *urb)
         }
 
 exit:
-        retval = usb_submit_urb (urb, GFP_ATOMIC);
+        retval = usb_submit_urb(urb, GFP_ATOMIC);
         if (retval)
                 err ("%s - usb_submit_urb failed with result %d",
                      __func__, retval);
@@ -571,7 +571,7 @@ static int xpad_play_effect(struct input_dev *dev, void *data,
                 xpad->odata[6] = 0x00;
                 xpad->odata[7] = 0x00;
                 xpad->irq_out->transfer_buffer_length = 8;
-                usb_submit_urb(xpad->irq_out, GFP_KERNEL);
+                usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
         }
 
         return 0;
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 1f5e2ce327d6..7b4056292eaf 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -225,8 +225,10 @@ struct atkbd {
 
         struct delayed_work event_work;
         unsigned long event_jiffies;
-        struct mutex event_mutex;
         unsigned long event_mask;
+
+        /* Serializes reconnect(), attr->set() and event work */
+        struct mutex mutex;
 };
 
 /*
@@ -577,7 +579,7 @@ static void atkbd_event_work(struct work_struct *work)
 {
         struct atkbd *atkbd = container_of(work, struct atkbd, event_work.work);
 
-        mutex_lock(&atkbd->event_mutex);
+        mutex_lock(&atkbd->mutex);
 
         if (!atkbd->enabled) {
                 /*
@@ -596,7 +598,7 @@ static void atkbd_event_work(struct work_struct *work)
                         atkbd_set_repeat_rate(atkbd);
         }
 
-        mutex_unlock(&atkbd->event_mutex);
+        mutex_unlock(&atkbd->mutex);
 }
 
 /*
@@ -612,7 +614,7 @@ static void atkbd_schedule_event_work(struct atkbd *atkbd, int event_bit)
 
         atkbd->event_jiffies = jiffies;
         set_bit(event_bit, &atkbd->event_mask);
-        wmb();
+        mb();
         schedule_delayed_work(&atkbd->event_work, delay);
 }
 
@@ -849,13 +851,20 @@ static void atkbd_disconnect(struct serio *serio)
 {
         struct atkbd *atkbd = serio_get_drvdata(serio);
 
+        sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
+
         atkbd_disable(atkbd);
 
-        /* make sure we don't have a command in flight */
+        input_unregister_device(atkbd->dev);
+
+        /*
+         * Make sure we don't have a command in flight.
+         * Note that since atkbd->enabled is false event work will keep
+         * rescheduling itself until it gets canceled and will not try
+         * accessing freed input device or serio port.
+         */
         cancel_delayed_work_sync(&atkbd->event_work);
 
-        sysfs_remove_group(&serio->dev.kobj, &atkbd_attribute_group);
-        input_unregister_device(atkbd->dev);
         serio_close(serio);
         serio_set_drvdata(serio, NULL);
         kfree(atkbd);
@@ -1087,7 +1096,7 @@ static int atkbd_connect(struct serio *serio, struct serio_driver *drv)
         atkbd->dev = dev;
         ps2_init(&atkbd->ps2dev, serio);
         INIT_DELAYED_WORK(&atkbd->event_work, atkbd_event_work);
-        mutex_init(&atkbd->event_mutex);
+        mutex_init(&atkbd->mutex);
 
         switch (serio->id.type) {
 
@@ -1160,19 +1169,23 @@ static int atkbd_reconnect(struct serio *serio)
 {
         struct atkbd *atkbd = serio_get_drvdata(serio);
         struct serio_driver *drv = serio->drv;
+        int retval = -1;
 
         if (!atkbd || !drv) {
                 printk(KERN_DEBUG "atkbd: reconnect request, but serio is disconnected, ignoring...\n");
                 return -1;
         }
 
+        mutex_lock(&atkbd->mutex);
+
         atkbd_disable(atkbd);
 
         if (atkbd->write) {
                 if (atkbd_probe(atkbd))
-                        return -1;
+                        goto out;
+
                 if (atkbd->set != atkbd_select_set(atkbd, atkbd->set, atkbd->extra))
-                        return -1;
+                        goto out;
 
                 atkbd_activate(atkbd);
 
@@ -1190,8 +1203,11 @@ static int atkbd_reconnect(struct serio *serio)
         }
 
         atkbd_enable(atkbd);
+        retval = 0;
 
-        return 0;
+ out:
+        mutex_unlock(&atkbd->mutex);
+        return retval;
 }
 
 static struct serio_device_id atkbd_serio_ids[] = {
@@ -1235,47 +1251,28 @@ static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
                                 ssize_t (*handler)(struct atkbd *, char *))
 {
         struct serio *serio = to_serio_port(dev);
-        int retval;
-
-        retval = serio_pin_driver(serio);
-        if (retval)
-                return retval;
-
-        if (serio->drv != &atkbd_drv) {
-                retval = -ENODEV;
-                goto out;
-        }
-
-        retval = handler((struct atkbd *)serio_get_drvdata(serio), buf);
+        struct atkbd *atkbd = serio_get_drvdata(serio);
 
-out:
-        serio_unpin_driver(serio);
-        return retval;
+        return handler(atkbd, buf);
 }
 
 static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
                                 ssize_t (*handler)(struct atkbd *, const char *, size_t))
 {
         struct serio *serio = to_serio_port(dev);
-        struct atkbd *atkbd;
+        struct atkbd *atkbd = serio_get_drvdata(serio);
         int retval;
 
-        retval = serio_pin_driver(serio);
+        retval = mutex_lock_interruptible(&atkbd->mutex);
         if (retval)
                 return retval;
 
-        if (serio->drv != &atkbd_drv) {
-                retval = -ENODEV;
-                goto out;
-        }
-
-        atkbd = serio_get_drvdata(serio);
         atkbd_disable(atkbd);
         retval = handler(atkbd, buf, count);
         atkbd_enable(atkbd);
 
-out:
-        serio_unpin_driver(serio);
+        mutex_unlock(&atkbd->mutex);
+
         return retval;
 }
 
diff --git a/drivers/input/keyboard/davinci_keyscan.c b/drivers/input/keyboard/davinci_keyscan.c
index 6e52d855f637..d410d7a52f1d 100644
--- a/drivers/input/keyboard/davinci_keyscan.c
+++ b/drivers/input/keyboard/davinci_keyscan.c
@@ -174,6 +174,14 @@ static int __init davinci_ks_probe(struct platform_device *pdev)
         struct davinci_ks_platform_data *pdata = pdev->dev.platform_data;
         int error, i;
 
+        if (pdata->device_enable) {
+                error = pdata->device_enable(dev);
+                if (error < 0) {
+                        dev_dbg(dev, "device enable function failed\n");
+                        return error;
+                }
+        }
+
         if (!pdata->keymap) {
                 dev_dbg(dev, "no keymap from pdata\n");
                 return -EINVAL;
diff --git a/drivers/input/misc/winbond-cir.c b/drivers/input/misc/winbond-cir.c
index 33309fe44e20..c8f5a9a3fa14 100644
--- a/drivers/input/misc/winbond-cir.c
+++ b/drivers/input/misc/winbond-cir.c
@@ -768,7 +768,7 @@ wbcir_parse_rc6(struct device *dev, struct wbcir_data *data)
                 return;
         }
 
-        dev_info(dev, "IR-RC6 ad 0x%02X cm 0x%02X cu 0x%04X "
+        dev_dbg(dev, "IR-RC6 ad 0x%02X cm 0x%02X cu 0x%04X "
                 "toggle %u mode %u scan 0x%08X\n",
                 address,
                 command,
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index 0d1d33468b43..4f8fe0886b2a 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -139,6 +139,7 @@ struct tp_finger {
 /* trackpad finger data size, empirically at least ten fingers */
 #define SIZEOF_FINGER           sizeof(struct tp_finger)
 #define SIZEOF_ALL_FINGERS      (16 * SIZEOF_FINGER)
+#define MAX_FINGER_ORIENTATION  16384
 
 /* device-specific parameters */
 struct bcm5974_param {
@@ -284,6 +285,26 @@ static void setup_events_to_report(struct input_dev *input_dev,
         input_set_abs_params(input_dev, ABS_Y,
                                 0, cfg->y.dim, cfg->y.fuzz, 0);
 
+        /* finger touch area */
+        input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR,
+                             cfg->w.devmin, cfg->w.devmax, 0, 0);
+        input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR,
+                             cfg->w.devmin, cfg->w.devmax, 0, 0);
+        /* finger approach area */
+        input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR,
+                             cfg->w.devmin, cfg->w.devmax, 0, 0);
+        input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR,
+                             cfg->w.devmin, cfg->w.devmax, 0, 0);
+        /* finger orientation */
+        input_set_abs_params(input_dev, ABS_MT_ORIENTATION,
+                             -MAX_FINGER_ORIENTATION,
+                             MAX_FINGER_ORIENTATION, 0, 0);
+        /* finger position */
+        input_set_abs_params(input_dev, ABS_MT_POSITION_X,
+                             cfg->x.devmin, cfg->x.devmax, 0, 0);
+        input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
+                             cfg->y.devmin, cfg->y.devmax, 0, 0);
+
         __set_bit(EV_KEY, input_dev->evbit);
         __set_bit(BTN_TOUCH, input_dev->keybit);
         __set_bit(BTN_TOOL_FINGER, input_dev->keybit);
@@ -310,13 +331,29 @@ static int report_bt_state(struct bcm5974 *dev, int size)
         return 0;
 }
 
+static void report_finger_data(struct input_dev *input,
+                               const struct bcm5974_config *cfg,
+                               const struct tp_finger *f)
+{
+        input_report_abs(input, ABS_MT_TOUCH_MAJOR, raw2int(f->force_major));
+        input_report_abs(input, ABS_MT_TOUCH_MINOR, raw2int(f->force_minor));
+        input_report_abs(input, ABS_MT_WIDTH_MAJOR, raw2int(f->size_major));
+        input_report_abs(input, ABS_MT_WIDTH_MINOR, raw2int(f->size_minor));
+        input_report_abs(input, ABS_MT_ORIENTATION,
+                         MAX_FINGER_ORIENTATION - raw2int(f->orientation));
+        input_report_abs(input, ABS_MT_POSITION_X, raw2int(f->abs_x));
+        input_report_abs(input, ABS_MT_POSITION_Y,
+                         cfg->y.devmin + cfg->y.devmax - raw2int(f->abs_y));
+        input_mt_sync(input);
+}
+
 /* report trackpad data as logical trackpad state */
 static int report_tp_state(struct bcm5974 *dev, int size)
 {
         const struct bcm5974_config *c = &dev->cfg;
         const struct tp_finger *f;
         struct input_dev *input = dev->input;
-        int raw_p, raw_w, raw_x, raw_y, raw_n;
+        int raw_p, raw_w, raw_x, raw_y, raw_n, i;
         int ptest, origin, ibt = 0, nmin = 0, nmax = 0;
         int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0;
 
@@ -329,6 +366,11 @@ static int report_tp_state(struct bcm5974 *dev, int size)
 
         /* always track the first finger; when detached, start over */
         if (raw_n) {
+
+                /* report raw trackpad data */
+                for (i = 0; i < raw_n; i++)
+                        report_finger_data(input, c, &f[i]);
+
                 raw_p = raw2int(f->force_major);
                 raw_w = raw2int(f->size_major);
                 raw_x = raw2int(f->abs_x);
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index 6d7aa10d10f0..7c1d7d420ae3 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -53,6 +53,12 @@ static const struct dmi_system_id __initconst lifebook_dmi_table[] = {
         {
                 /* LifeBook B */
                 .matches = {
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Lifebook B Series"),
+                },
+        },
+        {
+                /* LifeBook B */
+                .matches = {
                         DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B Series"),
                 },
         },
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 401ac6b6edd4..d8c0c8d6992c 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -627,8 +627,15 @@ static int psmouse_extensions(struct psmouse *psmouse,
                 synaptics_hardware = true;
 
                 if (max_proto > PSMOUSE_IMEX) {
-                        if (!set_properties || synaptics_init(psmouse) == 0)
+/*
+ * Try activating protocol, but check if support is enabled first, since
+ * we try detecting Synaptics even when protocol is disabled.
+ */
+                        if (synaptics_supported() &&
+                            (!set_properties || synaptics_init(psmouse) == 0)) {
                                 return PSMOUSE_SYNAPTICS;
+                        }
+
 /*
  * Some Synaptics touchpads can emulate extended protocols (like IMPS/2).
  * Unfortunately Logitech/Genius probes confuse some firmware versions so
@@ -683,19 +690,6 @@ static int psmouse_extensions(struct psmouse *psmouse,
                 max_proto = PSMOUSE_IMEX;
         }
 
-/*
- * Try Finger Sensing Pad
- */
-        if (max_proto > PSMOUSE_IMEX) {
-                if (fsp_detect(psmouse, set_properties) == 0) {
-                        if (!set_properties || fsp_init(psmouse) == 0)
-                                return PSMOUSE_FSP;
-/*
- * Init failed, try basic relative protocols
- */
-                        max_proto = PSMOUSE_IMEX;
-                }
-        }
 
         if (max_proto > PSMOUSE_IMEX) {
                 if (genius_detect(psmouse, set_properties) == 0)
@@ -712,6 +706,21 @@ static int psmouse_extensions(struct psmouse *psmouse,
         }
 
 /*
+ * Try Finger Sensing Pad. We do it here because its probe upsets
+ * Trackpoint devices (causing TP_READ_ID command to time out).
+ */
+        if (max_proto > PSMOUSE_IMEX) {
+                if (fsp_detect(psmouse, set_properties) == 0) {
+                        if (!set_properties || fsp_init(psmouse) == 0)
+                                return PSMOUSE_FSP;
+/*
+ * Init failed, try basic relative protocols
+ */
+                        max_proto = PSMOUSE_IMEX;
+                }
+        }
+
+/*
  * Reset to defaults in case the device got confused by extended
  * protocol probes. Note that we follow up with full reset because
  * some mice put themselves to sleep when they see PSMOUSE_RESET_DIS.
@@ -1132,7 +1141,14 @@ static void psmouse_cleanup(struct serio *serio)
                 psmouse_deactivate(parent);
         }
 
-        psmouse_deactivate(psmouse);
+        psmouse_set_state(psmouse, PSMOUSE_INITIALIZING);
+
+        /*
+         * Disable stream mode so cleanup routine can proceed undisturbed.
+         */
+        if (ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_DISABLE))
+                printk(KERN_WARNING "psmouse.c: Failed to disable mouse on %s\n",
+                        psmouse->ps2dev.serio->phys);
 
         if (psmouse->cleanup)
                 psmouse->cleanup(psmouse);
@@ -1450,24 +1466,10 @@ ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *de
         struct serio *serio = to_serio_port(dev);
         struct psmouse_attribute *attr = to_psmouse_attr(devattr);
         struct psmouse *psmouse;
-        int retval;
-
-        retval = serio_pin_driver(serio);
-        if (retval)
-                return retval;
-
-        if (serio->drv != &psmouse_drv) {
-                retval = -ENODEV;
-                goto out;
-        }
 
         psmouse = serio_get_drvdata(serio);
 
-        retval = attr->show(psmouse, attr->data, buf);
-
-out:
-        serio_unpin_driver(serio);
-        return retval;
+        return attr->show(psmouse, attr->data, buf);
 }
 
 ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *devattr,
@@ -1478,18 +1480,9 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev
         struct psmouse *psmouse, *parent = NULL;
         int retval;
 
-        retval = serio_pin_driver(serio);
-        if (retval)
-                return retval;
-
-        if (serio->drv != &psmouse_drv) {
-                retval = -ENODEV;
-                goto out_unpin;
-        }
-
         retval = mutex_lock_interruptible(&psmouse_mutex);
         if (retval)
-                goto out_unpin;
+                goto out;
 
         psmouse = serio_get_drvdata(serio);
 
@@ -1519,8 +1512,7 @@ ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *dev
 
  out_unlock:
         mutex_unlock(&psmouse_mutex);
- out_unpin:
-        serio_unpin_driver(serio);
+ out:
         return retval;
 }
 
@@ -1582,9 +1574,7 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co
                 }
 
                 mutex_unlock(&psmouse_mutex);
-                serio_unpin_driver(serio);
                 serio_unregister_child_port(serio);
-                serio_pin_driver_uninterruptible(serio);
                 mutex_lock(&psmouse_mutex);
 
                 if (serio->drv != &psmouse_drv) {
diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c
index 77b9fd0b3fbf..81a6b81cb2fe 100644
--- a/drivers/input/mouse/sentelic.c
+++ b/drivers/input/mouse/sentelic.c
@@ -2,7 +2,7 @@
  * Finger Sensing Pad PS/2 mouse driver.
  *
  * Copyright (C) 2005-2007 Asia Vital Components Co., Ltd.
- * Copyright (C) 2005-2009 Tai-hwa Liang, Sentelic Corporation.
+ * Copyright (C) 2005-2010 Tai-hwa Liang, Sentelic Corporation.
  *
  *   This program is free software; you can redistribute it and/or
  *   modify it under the terms of the GNU General Public License
@@ -658,9 +658,9 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse)
                         if (packet[3] & BIT(1))
                                 button_status |= 0x0f;  /* wheel up */
                         if (packet[3] & BIT(2))
-                                button_status |= BIT(5);/* horizontal left */
+                                button_status |= BIT(4);/* horizontal left */
                         if (packet[3] & BIT(3))
-                                button_status |= BIT(4);/* horizontal right */
+                                button_status |= BIT(5);/* horizontal right */
                         /* push back to packet queue */
                         if (button_status != 0)
                                 packet[3] = button_status;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 05689e732191..d3f5243fa093 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -743,6 +743,11 @@ int synaptics_init(struct psmouse *psmouse)
         return -1;
 }
 
+bool synaptics_supported(void)
+{
+        return true;
+}
+
 #else /* CONFIG_MOUSE_PS2_SYNAPTICS */
 
 void __init synaptics_module_init(void)
@@ -754,5 +759,10 @@ int synaptics_init(struct psmouse *psmouse)
         return -ENOSYS;
 }
 
+bool synaptics_supported(void)
+{
+        return false;
+}
+
 #endif /* CONFIG_MOUSE_PS2_SYNAPTICS */
 
diff --git a/drivers/input/mouse/synaptics.h b/drivers/input/mouse/synaptics.h
index 838e7f2c9b30..f0f40a331dc8 100644
--- a/drivers/input/mouse/synaptics.h
+++ b/drivers/input/mouse/synaptics.h
@@ -109,5 +109,6 @@ void synaptics_module_init(void);
 int synaptics_detect(struct psmouse *psmouse, bool set_properties);
 int synaptics_init(struct psmouse *psmouse);
 void synaptics_reset(struct psmouse *psmouse);
+bool synaptics_supported(void);
 
 #endif /* _SYNAPTICS_H */
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 64b688daf48a..2a5982e532f8 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -524,6 +524,13 @@ static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
  */
 static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
         {
+                /* Acer Aspire 5610 */
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
+                },
+        },
+        {
                 /* Acer Aspire 5630 */
                 .matches = {
                         DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
index c21e6d3a8844..794d070c6900 100644
--- a/drivers/input/touchscreen/ad7879.c
+++ b/drivers/input/touchscreen/ad7879.c
@@ -47,6 +47,7 @@
 #include <linux/workqueue.h>
 #include <linux/spi/spi.h>
 #include <linux/i2c.h>
+#include <linux/gpio.h>
 
 #include <linux/spi/ad7879.h>
 
@@ -132,7 +133,9 @@ struct ad7879 {
         struct input_dev        *input;
         struct work_struct      work;
         struct timer_list       timer;
-
+#ifdef CONFIG_GPIOLIB
+        struct gpio_chip        gc;
+#endif
         struct mutex            mutex;
         unsigned                disabled:1;     /* P: mutex */
 
@@ -150,11 +153,9 @@ struct ad7879 {
         u8                      median;
         u16                     x_plate_ohms;
         u16                     pressure_max;
-        u16                     gpio_init;
         u16                     cmd_crtl1;
         u16                     cmd_crtl2;
         u16                     cmd_crtl3;
-        unsigned                gpio:1;
 };
 
 static int ad7879_read(bus_device *, u8);
@@ -237,24 +238,6 @@ static irqreturn_t ad7879_irq(int irq, void *handle)
 
 static void ad7879_setup(struct ad7879 *ts)
 {
-        ts->cmd_crtl3 = AD7879_YPLUS_BIT |
-                        AD7879_XPLUS_BIT |
-                        AD7879_Z2_BIT |
-                        AD7879_Z1_BIT |
-                        AD7879_TEMPMASK_BIT |
-                        AD7879_AUXVBATMASK_BIT |
-                        AD7879_GPIOALERTMASK_BIT;
-
-        ts->cmd_crtl2 = AD7879_PM(AD7879_PM_DYN) | AD7879_DFR |
-                        AD7879_AVG(ts->averaging) |
-                        AD7879_MFS(ts->median) |
-                        AD7879_FCD(ts->first_conversion_delay) |
-                        ts->gpio_init;
-
-        ts->cmd_crtl1 = AD7879_MODE_INT | AD7879_MODE_SEQ1 |
-                        AD7879_ACQ(ts->acquisition_time) |
-                        AD7879_TMR(ts->pen_down_acc_interval);
-
         ad7879_write(ts->bus, AD7879_REG_CTRL2, ts->cmd_crtl2);
         ad7879_write(ts->bus, AD7879_REG_CTRL3, ts->cmd_crtl3);
         ad7879_write(ts->bus, AD7879_REG_CTRL1, ts->cmd_crtl1);
@@ -324,48 +307,132 @@ static ssize_t ad7879_disable_store(struct device *dev,
 
 static DEVICE_ATTR(disable, 0664, ad7879_disable_show, ad7879_disable_store);
 
-static ssize_t ad7879_gpio_show(struct device *dev,
-                                     struct device_attribute *attr, char *buf)
+static struct attribute *ad7879_attributes[] = {
+        &dev_attr_disable.attr,
+        NULL
+};
+
+static const struct attribute_group ad7879_attr_group = {
+        .attrs = ad7879_attributes,
+};
+
+#ifdef CONFIG_GPIOLIB
+static int ad7879_gpio_direction_input(struct gpio_chip *chip,
+                                        unsigned gpio)
 {
-        struct ad7879 *ts = dev_get_drvdata(dev);
+        struct ad7879 *ts = container_of(chip, struct ad7879, gc);
+        int err;
 
-        return sprintf(buf, "%u\n", ts->gpio);
+        mutex_lock(&ts->mutex);
+        ts->cmd_crtl2 |= AD7879_GPIO_EN | AD7879_GPIODIR | AD7879_GPIOPOL;
+        err = ad7879_write(ts->bus, AD7879_REG_CTRL2, ts->cmd_crtl2);
+        mutex_unlock(&ts->mutex);
+
+        return err;
 }
 
-static ssize_t ad7879_gpio_store(struct device *dev,
-                                     struct device_attribute *attr,
-                                     const char *buf, size_t count)
+static int ad7879_gpio_direction_output(struct gpio_chip *chip,
+                                        unsigned gpio, int level)
 {
-        struct ad7879 *ts = dev_get_drvdata(dev);
-        unsigned long val;
-        int error;
+        struct ad7879 *ts = container_of(chip, struct ad7879, gc);
+        int err;
 
-        error = strict_strtoul(buf, 10, &val);
-        if (error)
-                return error;
+        mutex_lock(&ts->mutex);
+        ts->cmd_crtl2 &= ~AD7879_GPIODIR;
+        ts->cmd_crtl2 |= AD7879_GPIO_EN | AD7879_GPIOPOL;
+        if (level)
+                ts->cmd_crtl2 |= AD7879_GPIO_DATA;
+        else
+                ts->cmd_crtl2 &= ~AD7879_GPIO_DATA;
+
+        err = ad7879_write(ts->bus, AD7879_REG_CTRL2, ts->cmd_crtl2);
+        mutex_unlock(&ts->mutex);
+
+        return err;
+}
+
+static int ad7879_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
+{
+        struct ad7879 *ts = container_of(chip, struct ad7879, gc);
+        u16 val;
 
         mutex_lock(&ts->mutex);
-        ts->gpio = !!val;
-        error = ad7879_write(ts->bus, AD7879_REG_CTRL2,
-                           ts->gpio ?
-                                ts->cmd_crtl2 & ~AD7879_GPIO_DATA :
-                                ts->cmd_crtl2 | AD7879_GPIO_DATA);
+        val = ad7879_read(ts->bus, AD7879_REG_CTRL2);
         mutex_unlock(&ts->mutex);
 
-        return error ? : count;
+        return !!(val & AD7879_GPIO_DATA);
 }
 
-static DEVICE_ATTR(gpio, 0664, ad7879_gpio_show, ad7879_gpio_store);
+static void ad7879_gpio_set_value(struct gpio_chip *chip,
+                                  unsigned gpio, int value)
+{
+        struct ad7879 *ts = container_of(chip, struct ad7879, gc);
 
-static struct attribute *ad7879_attributes[] = {
-        &dev_attr_disable.attr,
-        &dev_attr_gpio.attr,
-        NULL
-};
+        mutex_lock(&ts->mutex);
+        if (value)
+                ts->cmd_crtl2 |= AD7879_GPIO_DATA;
+        else
+                ts->cmd_crtl2 &= ~AD7879_GPIO_DATA;
 
-static const struct attribute_group ad7879_attr_group = {
-        .attrs = ad7879_attributes,
-};
+        ad7879_write(ts->bus, AD7879_REG_CTRL2, ts->cmd_crtl2);
+        mutex_unlock(&ts->mutex);
+}
+
+static int __devinit ad7879_gpio_add(struct device *dev)
+{
+        struct ad7879 *ts = dev_get_drvdata(dev);
+        struct ad7879_platform_data *pdata = dev->platform_data;
+        int ret = 0;
+
+        if (pdata->gpio_export) {
+                ts->gc.direction_input = ad7879_gpio_direction_input;
+                ts->gc.direction_output = ad7879_gpio_direction_output;
+                ts->gc.get = ad7879_gpio_get_value;
+                ts->gc.set = ad7879_gpio_set_value;
+                ts->gc.can_sleep = 1;
+                ts->gc.base = pdata->gpio_base;
+                ts->gc.ngpio = 1;
+                ts->gc.label = "AD7879-GPIO";
+                ts->gc.owner = THIS_MODULE;
+                ts->gc.dev = dev;
+
+                ret = gpiochip_add(&ts->gc);
+                if (ret)
+                        dev_err(dev, "failed to register gpio %d\n",
+                                ts->gc.base);
+        }
+
+        return ret;
+}
+
+/*
+ * We mark ad7879_gpio_remove inline so there is a chance the code
+ * gets discarded when not needed. We can't do __devinit/__devexit
+ * markup since it is used in both probe and remove methods.
+ */
+static inline void ad7879_gpio_remove(struct device *dev)
+{
+        struct ad7879 *ts = dev_get_drvdata(dev);
+        struct ad7879_platform_data *pdata = dev->platform_data;
+        int ret;
+
+        if (pdata->gpio_export) {
+                ret = gpiochip_remove(&ts->gc);
+                if (ret)
+                        dev_err(dev, "failed to remove gpio %d\n",
+                                ts->gc.base);
+        }
+}
+#else
+static inline int ad7879_gpio_add(struct device *dev)
+{
+        return 0;
+}
+
+static inline void ad7879_gpio_remove(struct device *dev)
+{
+}
+#endif
 
 static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
 {
@@ -403,12 +470,6 @@ static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
         ts->pen_down_acc_interval = pdata->pen_down_acc_interval;
         ts->median = pdata->median;
 
-        if (pdata->gpio_output)
-                ts->gpio_init = AD7879_GPIO_EN |
-                                (pdata->gpio_default ? 0 : AD7879_GPIO_DATA);
-        else
-                ts->gpio_init = AD7879_GPIO_EN | AD7879_GPIODIR;
-
         snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(&bus->dev));
 
         input_dev->name = "AD7879 Touchscreen";
@@ -446,6 +507,23 @@ static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
                 goto err_free_mem;
         }
 
+        ts->cmd_crtl3 = AD7879_YPLUS_BIT |
+                        AD7879_XPLUS_BIT |
+                        AD7879_Z2_BIT |
+                        AD7879_Z1_BIT |
+                        AD7879_TEMPMASK_BIT |
+                        AD7879_AUXVBATMASK_BIT |
+                        AD7879_GPIOALERTMASK_BIT;
+
+        ts->cmd_crtl2 = AD7879_PM(AD7879_PM_DYN) | AD7879_DFR |
+                        AD7879_AVG(ts->averaging) |
+                        AD7879_MFS(ts->median) |
+                        AD7879_FCD(ts->first_conversion_delay);
+
+        ts->cmd_crtl1 = AD7879_MODE_INT | AD7879_MODE_SEQ1 |
+                        AD7879_ACQ(ts->acquisition_time) |
+                        AD7879_TMR(ts->pen_down_acc_interval);
+
         ad7879_setup(ts);
 
         err = request_irq(bus->irq, ad7879_irq,
@@ -460,15 +538,21 @@ static int __devinit ad7879_construct(bus_device *bus, struct ad7879 *ts)
         if (err)
                 goto err_free_irq;
 
-        err = input_register_device(input_dev);
+        err = ad7879_gpio_add(&bus->dev);
         if (err)
                 goto err_remove_attr;
 
+        err = input_register_device(input_dev);
+        if (err)
+                goto err_remove_gpio;
+
         dev_info(&bus->dev, "Rev.%d touchscreen, irq %d\n",
                  revid >> 8, bus->irq);
 
         return 0;
 
+err_remove_gpio:
+        ad7879_gpio_remove(&bus->dev);
 err_remove_attr:
         sysfs_remove_group(&bus->dev.kobj, &ad7879_attr_group);
 err_free_irq:
@@ -481,6 +565,7 @@ err_free_mem:
 
 static int __devexit ad7879_destroy(bus_device *bus, struct ad7879 *ts)
 {
+        ad7879_gpio_remove(&bus->dev);
         ad7879_disable(ts);
         sysfs_remove_group(&ts->bus->dev.kobj, &ad7879_attr_group);
         free_irq(ts->bus->irq, ts);