15 files changed, 241 insertions, 145 deletions

diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 9882971827e6..358cd7ee905b 100644
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -139,7 +139,7 @@ struct analog_port {
 #include <linux/i8253.h>
 
 #define GET_TIME(x)     do { if (cpu_has_tsc) rdtscl(x); else x = get_time_pit(); } while (0)
-#define DELTA(x,y)      (cpu_has_tsc ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? CLOCK_TICK_RATE / HZ : 0)))
+#define DELTA(x,y)      (cpu_has_tsc ? ((y) - (x)) : ((x) - (y) + ((x) < (y) ? PIT_TICK_RATE / HZ : 0)))
 #define TIME_NAME       (cpu_has_tsc?"TSC":"PIT")
 static unsigned int get_time_pit(void)
 {
diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index c8242dd190d0..aa17e024d803 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -20,6 +20,7 @@
  * flag.
  */
 
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/clk.h>
diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c
index f270447ba951..a5a77915c650 100644
--- a/drivers/input/keyboard/tegra-kbc.c
+++ b/drivers/input/keyboard/tegra-kbc.c
@@ -702,7 +702,7 @@ err_iounmap:
 err_free_mem_region:
         release_mem_region(res->start, resource_size(res));
 err_free_mem:
-        input_free_device(kbc->idev);
+        input_free_device(input_dev);
         kfree(kbc);
 
         return err;
diff --git a/drivers/input/misc/ad714x-i2c.c b/drivers/input/misc/ad714x-i2c.c
index e21deb1baa8a..025417d74ca2 100644
--- a/drivers/input/misc/ad714x-i2c.c
+++ b/drivers/input/misc/ad714x-i2c.c
@@ -1,7 +1,7 @@
 /*
  * AD714X CapTouch Programmable Controller driver (I2C bus)
  *
- * Copyright 2009 Analog Devices Inc.
+ * Copyright 2009-2011 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -27,54 +27,49 @@ static int ad714x_i2c_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(ad714x_i2c_pm, ad714x_i2c_suspend, ad714x_i2c_resume);
 
-static int ad714x_i2c_write(struct device *dev, unsigned short reg,
-                                unsigned short data)
+static int ad714x_i2c_write(struct ad714x_chip *chip,
+                            unsigned short reg, unsigned short data)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        int ret = 0;
-        u8 *_reg = (u8 *)&reg;
-        u8 *_data = (u8 *)&data;
-
-        u8 tx[4] = {
-                _reg[1],
-                _reg[0],
-                _data[1],
-                _data[0]
-        };
-
-        ret = i2c_master_send(client, tx, 4);
-        if (ret < 0)
-                dev_err(&client->dev, "I2C write error\n");
-
-        return ret;
+        struct i2c_client *client = to_i2c_client(chip->dev);
+        int error;
+
+        chip->xfer_buf[0] = cpu_to_be16(reg);
+        chip->xfer_buf[1] = cpu_to_be16(data);
+
+        error = i2c_master_send(client, (u8 *)chip->xfer_buf,
+                                2 * sizeof(*chip->xfer_buf));
+        if (unlikely(error < 0)) {
+                dev_err(&client->dev, "I2C write error: %d\n", error);
+                return error;
+        }
+
+        return 0;
 }
 
-static int ad714x_i2c_read(struct device *dev, unsigned short reg,
-                                unsigned short *data)
+static int ad714x_i2c_read(struct ad714x_chip *chip,
+                           unsigned short reg, unsigned short *data, size_t len)
 {
-        struct i2c_client *client = to_i2c_client(dev);
-        int ret = 0;
-        u8 *_reg = (u8 *)&reg;
-        u8 *_data = (u8 *)data;
-
-        u8 tx[2] = {
-                _reg[1],
-                _reg[0]
-        };
-        u8 rx[2];
-
-        ret = i2c_master_send(client, tx, 2);
-        if (ret >= 0)
-                ret = i2c_master_recv(client, rx, 2);
-
-        if (unlikely(ret < 0)) {
-                dev_err(&client->dev, "I2C read error\n");
-        } else {
-                _data[0] = rx[1];
-                _data[1] = rx[0];
+        struct i2c_client *client = to_i2c_client(chip->dev);
+        int i;
+        int error;
+
+        chip->xfer_buf[0] = cpu_to_be16(reg);
+
+        error = i2c_master_send(client, (u8 *)chip->xfer_buf,
+                                sizeof(*chip->xfer_buf));
+        if (error >= 0)
+                error = i2c_master_recv(client, (u8 *)chip->xfer_buf,
+                                        len * sizeof(*chip->xfer_buf));
+
+        if (unlikely(error < 0)) {
+                dev_err(&client->dev, "I2C read error: %d\n", error);
+                return error;
         }
 
-        return ret;
+        for (i = 0; i < len; i++)
+                data[i] = be16_to_cpu(chip->xfer_buf[i]);
+
+        return 0;
 }
 
 static int __devinit ad714x_i2c_probe(struct i2c_client *client,
diff --git a/drivers/input/misc/ad714x-spi.c b/drivers/input/misc/ad714x-spi.c
index 4120dd549305..875b50811361 100644
--- a/drivers/input/misc/ad714x-spi.c
+++ b/drivers/input/misc/ad714x-spi.c
@@ -1,12 +1,12 @@
 /*
  * AD714X CapTouch Programmable Controller driver (SPI bus)
  *
- * Copyright 2009 Analog Devices Inc.
+ * Copyright 2009-2011 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
 
-#include <linux/input.h>        /* BUS_I2C */
+#include <linux/input.h>        /* BUS_SPI */
 #include <linux/module.h>
 #include <linux/spi/spi.h>
 #include <linux/pm.h>
@@ -30,30 +30,68 @@ static int ad714x_spi_resume(struct device *dev)
 
 static SIMPLE_DEV_PM_OPS(ad714x_spi_pm, ad714x_spi_suspend, ad714x_spi_resume);
 
-static int ad714x_spi_read(struct device *dev, unsigned short reg,
-                unsigned short *data)
+static int ad714x_spi_read(struct ad714x_chip *chip,
+                           unsigned short reg, unsigned short *data, size_t len)
 {
-        struct spi_device *spi = to_spi_device(dev);
-        unsigned short tx = AD714x_SPI_CMD_PREFIX | AD714x_SPI_READ | reg;
+        struct spi_device *spi = to_spi_device(chip->dev);
+        struct spi_message message;
+        struct spi_transfer xfer[2];
+        int i;
+        int error;
+
+        spi_message_init(&message);
+        memset(xfer, 0, sizeof(xfer));
+
+        chip->xfer_buf[0] = cpu_to_be16(AD714x_SPI_CMD_PREFIX |
+                                        AD714x_SPI_READ | reg);
+        xfer[0].tx_buf = &chip->xfer_buf[0];
+        xfer[0].len = sizeof(chip->xfer_buf[0]);
+        spi_message_add_tail(&xfer[0], &message);
+
+        xfer[1].rx_buf = &chip->xfer_buf[1];
+        xfer[1].len = sizeof(chip->xfer_buf[1]) * len;
+        spi_message_add_tail(&xfer[1], &message);
+
+        error = spi_sync(spi, &message);
+        if (unlikely(error)) {
+                dev_err(chip->dev, "SPI read error: %d\n", error);
+                return error;
+        }
+
+        for (i = 0; i < len; i++)
+                data[i] = be16_to_cpu(chip->xfer_buf[i + 1]);
 
-        return spi_write_then_read(spi, (u8 *)&tx, 2, (u8 *)data, 2);
+        return 0;
 }
 
-static int ad714x_spi_write(struct device *dev, unsigned short reg,
-                unsigned short data)
+static int ad714x_spi_write(struct ad714x_chip *chip,
+                            unsigned short reg, unsigned short data)
 {
-        struct spi_device *spi = to_spi_device(dev);
-        unsigned short tx[2] = {
-                AD714x_SPI_CMD_PREFIX | reg,
-                data
-        };
+        struct spi_device *spi = to_spi_device(chip->dev);
+        int error;
+
+        chip->xfer_buf[0] = cpu_to_be16(AD714x_SPI_CMD_PREFIX | reg);
+        chip->xfer_buf[1] = cpu_to_be16(data);
+
+        error = spi_write(spi, (u8 *)chip->xfer_buf,
+                          2 * sizeof(*chip->xfer_buf));
+        if (unlikely(error)) {
+                dev_err(chip->dev, "SPI write error: %d\n", error);
+                return error;
+        }
 
-        return spi_write(spi, (u8 *)tx, 4);
+        return 0;
 }
 
 static int __devinit ad714x_spi_probe(struct spi_device *spi)
 {
         struct ad714x_chip *chip;
+        int err;
+
+        spi->bits_per_word = 8;
+        err = spi_setup(spi);
+        if (err < 0)
+                return err;
 
         chip = ad714x_probe(&spi->dev, BUS_SPI, spi->irq,
                             ad714x_spi_read, ad714x_spi_write);
diff --git a/drivers/input/misc/ad714x.c b/drivers/input/misc/ad714x.c
index c3a62c42cd28..ca42c7d2a3c7 100644
--- a/drivers/input/misc/ad714x.c
+++ b/drivers/input/misc/ad714x.c
@@ -1,7 +1,7 @@
 /*
  * AD714X CapTouch Programmable Controller driver supporting AD7142/3/7/8/7A
  *
- * Copyright 2009 Analog Devices Inc.
+ * Copyright 2009-2011 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -59,7 +59,6 @@
 #define STAGE11_AMBIENT         0x27D
 
 #define PER_STAGE_REG_NUM      36
-#define STAGE_NUM              12
 #define STAGE_CFGREG_NUM       8
 #define SYS_CFGREG_NUM         8
 
@@ -124,27 +123,6 @@ struct ad714x_driver_data {
  * information to integrate all things which will be private data
  * of spi/i2c device
  */
-struct ad714x_chip {
-        unsigned short h_state;
-        unsigned short l_state;
-        unsigned short c_state;
-        unsigned short adc_reg[STAGE_NUM];
-        unsigned short amb_reg[STAGE_NUM];
-        unsigned short sensor_val[STAGE_NUM];
-
-        struct ad714x_platform_data *hw;
-        struct ad714x_driver_data *sw;
-
-        int irq;
-        struct device *dev;
-        ad714x_read_t read;
-        ad714x_write_t write;
-
-        struct mutex mutex;
-
-        unsigned product;
-        unsigned version;
-};
 
 static void ad714x_use_com_int(struct ad714x_chip *ad714x,
                                 int start_stage, int end_stage)
@@ -154,13 +132,13 @@ static void ad714x_use_com_int(struct ad714x_chip *ad714x,
 
         mask = ((1 << (end_stage + 1)) - 1) - ((1 << start_stage) - 1);
 
-        ad714x->read(ad714x->dev, STG_COM_INT_EN_REG, &data);
+        ad714x->read(ad714x, STG_COM_INT_EN_REG, &data, 1);
         data |= 1 << end_stage;
-        ad714x->write(ad714x->dev, STG_COM_INT_EN_REG, data);
+        ad714x->write(ad714x, STG_COM_INT_EN_REG, data);
 
-        ad714x->read(ad714x->dev, STG_HIGH_INT_EN_REG, &data);
+        ad714x->read(ad714x, STG_HIGH_INT_EN_REG, &data, 1);
         data &= ~mask;
-        ad714x->write(ad714x->dev, STG_HIGH_INT_EN_REG, data);
+        ad714x->write(ad714x, STG_HIGH_INT_EN_REG, data);
 }
 
 static void ad714x_use_thr_int(struct ad714x_chip *ad714x,
@@ -171,13 +149,13 @@ static void ad714x_use_thr_int(struct ad714x_chip *ad714x,
 
         mask = ((1 << (end_stage + 1)) - 1) - ((1 << start_stage) - 1);
 
-        ad714x->read(ad714x->dev, STG_COM_INT_EN_REG, &data);
+        ad714x->read(ad714x, STG_COM_INT_EN_REG, &data, 1);
         data &= ~(1 << end_stage);
-        ad714x->write(ad714x->dev, STG_COM_INT_EN_REG, data);
+        ad714x->write(ad714x, STG_COM_INT_EN_REG, data);
 
-        ad714x->read(ad714x->dev, STG_HIGH_INT_EN_REG, &data);
+        ad714x->read(ad714x, STG_HIGH_INT_EN_REG, &data, 1);
         data |= mask;
-        ad714x->write(ad714x->dev, STG_HIGH_INT_EN_REG, data);
+        ad714x->write(ad714x, STG_HIGH_INT_EN_REG, data);
 }
 
 static int ad714x_cal_highest_stage(struct ad714x_chip *ad714x,
@@ -273,15 +251,16 @@ static void ad714x_slider_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
         struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
         int i;
 
+        ad714x->read(ad714x, CDC_RESULT_S0 + hw->start_stage,
+                        &ad714x->adc_reg[hw->start_stage],
+                        hw->end_stage - hw->start_stage + 1);
+
         for (i = hw->start_stage; i <= hw->end_stage; i++) {
-                ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
-                        &ad714x->adc_reg[i]);
-                ad714x->read(ad714x->dev,
-                                STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
-                                &ad714x->amb_reg[i]);
-
-                ad714x->sensor_val[i] = abs(ad714x->adc_reg[i] -
-                                ad714x->amb_reg[i]);
+                ad714x->read(ad714x, STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+                                &ad714x->amb_reg[i], 1);
+
+                ad714x->sensor_val[i] =
+                        abs(ad714x->adc_reg[i] - ad714x->amb_reg[i]);
         }
 }
 
@@ -444,15 +423,16 @@ static void ad714x_wheel_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
         struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
         int i;
 
+        ad714x->read(ad714x, CDC_RESULT_S0 + hw->start_stage,
+                        &ad714x->adc_reg[hw->start_stage],
+                        hw->end_stage - hw->start_stage + 1);
+
         for (i = hw->start_stage; i <= hw->end_stage; i++) {
-                ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
-                        &ad714x->adc_reg[i]);
-                ad714x->read(ad714x->dev,
-                                STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
-                                &ad714x->amb_reg[i]);
+                ad714x->read(ad714x, STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+                                &ad714x->amb_reg[i], 1);
                 if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
-                        ad714x->sensor_val[i] = ad714x->adc_reg[i] -
-                                ad714x->amb_reg[i];
+                        ad714x->sensor_val[i] =
+                                ad714x->adc_reg[i] - ad714x->amb_reg[i];
                 else
                         ad714x->sensor_val[i] = 0;
         }
@@ -597,15 +577,16 @@ static void touchpad_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
         struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
         int i;
 
+        ad714x->read(ad714x, CDC_RESULT_S0 + hw->x_start_stage,
+                        &ad714x->adc_reg[hw->x_start_stage],
+                        hw->x_end_stage - hw->x_start_stage + 1);
+
         for (i = hw->x_start_stage; i <= hw->x_end_stage; i++) {
-                ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
-                                &ad714x->adc_reg[i]);
-                ad714x->read(ad714x->dev,
-                                STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
-                                &ad714x->amb_reg[i]);
+                ad714x->read(ad714x, STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
+                                &ad714x->amb_reg[i], 1);
                 if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
-                        ad714x->sensor_val[i] = ad714x->adc_reg[i] -
-                                ad714x->amb_reg[i];
+                        ad714x->sensor_val[i] =
+                                ad714x->adc_reg[i] - ad714x->amb_reg[i];
                 else
                         ad714x->sensor_val[i] = 0;
         }
@@ -891,7 +872,7 @@ static int ad714x_hw_detect(struct ad714x_chip *ad714x)
 {
         unsigned short data;
 
-        ad714x->read(ad714x->dev, AD714X_PARTID_REG, &data);
+        ad714x->read(ad714x, AD714X_PARTID_REG, &data, 1);
         switch (data & 0xFFF0) {
         case AD7142_PARTID:
                 ad714x->product = 0x7142;
@@ -940,23 +921,20 @@ static void ad714x_hw_init(struct ad714x_chip *ad714x)
         for (i = 0; i < STAGE_NUM; i++) {
                 reg_base = AD714X_STAGECFG_REG + i * STAGE_CFGREG_NUM;
                 for (j = 0; j < STAGE_CFGREG_NUM; j++)
-                        ad714x->write(ad714x->dev, reg_base + j,
+                        ad714x->write(ad714x, reg_base + j,
                                         ad714x->hw->stage_cfg_reg[i][j]);
         }
 
         for (i = 0; i < SYS_CFGREG_NUM; i++)
-                ad714x->write(ad714x->dev, AD714X_SYSCFG_REG + i,
+                ad714x->write(ad714x, AD714X_SYSCFG_REG + i,
                         ad714x->hw->sys_cfg_reg[i]);
         for (i = 0; i < SYS_CFGREG_NUM; i++)
-                ad714x->read(ad714x->dev, AD714X_SYSCFG_REG + i,
-                        &data);
+                ad714x->read(ad714x, AD714X_SYSCFG_REG + i, &data, 1);
 
-        ad714x->write(ad714x->dev, AD714X_STG_CAL_EN_REG, 0xFFF);
+        ad714x->write(ad714x, AD714X_STG_CAL_EN_REG, 0xFFF);
 
         /* clear all interrupts */
-        ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &data);
-        ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &data);
-        ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &data);
+        ad714x->read(ad714x, STG_LOW_INT_STA_REG, &ad714x->l_state, 3);
 }
 
 static irqreturn_t ad714x_interrupt_thread(int irq, void *data)
@@ -966,9 +944,7 @@ static irqreturn_t ad714x_interrupt_thread(int irq, void *data)
 
         mutex_lock(&ad714x->mutex);
 
-        ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &ad714x->l_state);
-        ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &ad714x->h_state);
-        ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &ad714x->c_state);
+        ad714x->read(ad714x, STG_LOW_INT_STA_REG, &ad714x->l_state, 3);
 
         for (i = 0; i < ad714x->hw->button_num; i++)
                 ad714x_button_state_machine(ad714x, i);
@@ -1245,7 +1221,7 @@ int ad714x_disable(struct ad714x_chip *ad714x)
         mutex_lock(&ad714x->mutex);
 
         data = ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL] | 0x3;
-        ad714x->write(ad714x->dev, AD714X_PWR_CTRL, data);
+        ad714x->write(ad714x, AD714X_PWR_CTRL, data);
 
         mutex_unlock(&ad714x->mutex);
 
@@ -1255,24 +1231,20 @@ EXPORT_SYMBOL(ad714x_disable);
 
 int ad714x_enable(struct ad714x_chip *ad714x)
 {
-        unsigned short data;
-
         dev_dbg(ad714x->dev, "%s enter\n", __func__);
 
         mutex_lock(&ad714x->mutex);
 
         /* resume to non-shutdown mode */
 
-        ad714x->write(ad714x->dev, AD714X_PWR_CTRL,
+        ad714x->write(ad714x, AD714X_PWR_CTRL,
                         ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL]);
 
         /* make sure the interrupt output line is not low level after resume,
          * otherwise we will get no chance to enter falling-edge irq again
          */
 
-        ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &data);
-        ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &data);
-        ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &data);
+        ad714x->read(ad714x, STG_LOW_INT_STA_REG, &ad714x->l_state, 3);
 
         mutex_unlock(&ad714x->mutex);
 
diff --git a/drivers/input/misc/ad714x.h b/drivers/input/misc/ad714x.h
index 45c54fb13f07..3c85455aa66d 100644
--- a/drivers/input/misc/ad714x.h
+++ b/drivers/input/misc/ad714x.h
@@ -1,7 +1,7 @@
 /*
  * AD714X CapTouch Programmable Controller driver (bus interfaces)
  *
- * Copyright 2009 Analog Devices Inc.
+ * Copyright 2009-2011 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -11,11 +11,40 @@
 
 #include <linux/types.h>
 
+#define STAGE_NUM              12
+
 struct device;
+struct ad714x_platform_data;
+struct ad714x_driver_data;
 struct ad714x_chip;
 
-typedef int (*ad714x_read_t)(struct device *, unsigned short, unsigned short *);
-typedef int (*ad714x_write_t)(struct device *, unsigned short, unsigned short);
+typedef int (*ad714x_read_t)(struct ad714x_chip *, unsigned short, unsigned short *, size_t);
+typedef int (*ad714x_write_t)(struct ad714x_chip *, unsigned short, unsigned short);
+
+struct ad714x_chip {
+        unsigned short l_state;
+        unsigned short h_state;
+        unsigned short c_state;
+        unsigned short adc_reg[STAGE_NUM];
+        unsigned short amb_reg[STAGE_NUM];
+        unsigned short sensor_val[STAGE_NUM];
+
+        struct ad714x_platform_data *hw;
+        struct ad714x_driver_data *sw;
+
+        int irq;
+        struct device *dev;
+        ad714x_read_t read;
+        ad714x_write_t write;
+
+        struct mutex mutex;
+
+        unsigned product;
+        unsigned version;
+
+        __be16 xfer_buf[16] ____cacheline_aligned;
+
+};
 
 int ad714x_disable(struct ad714x_chip *ad714x);
 int ad714x_enable(struct ad714x_chip *ad714x);
diff --git a/drivers/input/misc/mma8450.c b/drivers/input/misc/mma8450.c
index 6c76cf792991..0794778295fc 100644
--- a/drivers/input/misc/mma8450.c
+++ b/drivers/input/misc/mma8450.c
@@ -234,7 +234,7 @@ static const struct of_device_id mma8450_dt_ids[] = {
         { .compatible = "fsl,mma8450", },
         { /* sentinel */ }
 };
-MODULE_DEVICE_TABLE(i2c, mma8450_dt_ids);
+MODULE_DEVICE_TABLE(of, mma8450_dt_ids);
 
 static struct i2c_driver mma8450_driver = {
         .driver = {
diff --git a/drivers/input/misc/mpu3050.c b/drivers/input/misc/mpu3050.c
index b95fac15b2ea..f71dc728da58 100644
--- a/drivers/input/misc/mpu3050.c
+++ b/drivers/input/misc/mpu3050.c
@@ -282,7 +282,7 @@ err_free_irq:
 err_pm_set_suspended:
         pm_runtime_set_suspended(&client->dev);
 err_free_mem:
-        input_unregister_device(idev);
+        input_free_device(idev);
         kfree(sensor);
         return error;
 }
diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
index 3126983c004a..da280189ef07 100644
--- a/drivers/input/mouse/bcm5974.c
+++ b/drivers/input/mouse/bcm5974.c
@@ -67,6 +67,14 @@
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI    0x0245
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ISO     0x0246
 #define USB_DEVICE_ID_APPLE_WELLSPRING5_JIS     0x0247
+/* MacbookAir4,2 (unibody, July 2011) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI    0x024c
+#define USB_DEVICE_ID_APPLE_WELLSPRING6_ISO     0x024d
+#define USB_DEVICE_ID_APPLE_WELLSPRING6_JIS     0x024e
+/* Macbook8,2 (unibody) */
+#define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI   0x0252
+#define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO    0x0253
+#define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS    0x0254
 
 #define BCM5974_DEVICE(prod) {                                  \
         .match_flags = (USB_DEVICE_ID_MATCH_DEVICE |            \
@@ -104,6 +112,14 @@ static const struct usb_device_id bcm5974_table[] = {
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI),
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ISO),
         BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_JIS),
+        /* MacbookAir4,2 */
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI),
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ISO),
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_JIS),
+        /* MacbookPro8,2 */
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI),
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO),
+        BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS),
         /* Terminating entry */
         {}
 };
@@ -294,6 +310,30 @@ static const struct bcm5974_config bcm5974_config_table[] = {
                 { DIM_X, DIM_X / SN_COORD, -4415, 5050 },
                 { DIM_Y, DIM_Y / SN_COORD, -55, 6680 }
         },
+        {
+                USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI,
+                USB_DEVICE_ID_APPLE_WELLSPRING6_ISO,
+                USB_DEVICE_ID_APPLE_WELLSPRING6_JIS,
+                HAS_INTEGRATED_BUTTON,
+                0x84, sizeof(struct bt_data),
+                0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+                { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 },
+                { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
+                { DIM_X, DIM_X / SN_COORD, -4620, 5140 },
+                { DIM_Y, DIM_Y / SN_COORD, -150, 6600 }
+        },
+        {
+                USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI,
+                USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO,
+                USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS,
+                HAS_INTEGRATED_BUTTON,
+                0x84, sizeof(struct bt_data),
+                0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
+                { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 },
+                { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
+                { DIM_X, DIM_X / SN_COORD, -4750, 5280 },
+                { DIM_Y, DIM_Y / SN_COORD, -150, 6730 }
+        },
         {}
 };
 
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 449c0a46dbac..d27c9d91630b 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -49,6 +49,7 @@ struct hid_descriptor {
 #define USB_REQ_GET_REPORT      0x01
 #define USB_REQ_SET_REPORT      0x09
 #define WAC_HID_FEATURE_REPORT  0x03
+#define WAC_MSG_RETRIES         5
 
 static int usb_get_report(struct usb_interface *intf, unsigned char type,
                                 unsigned char id, void *buf, int size)
@@ -165,7 +166,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
                         report,
                         hid_desc->wDescriptorLength,
                         5000); /* 5 secs */
-        } while (result < 0 && limit++ < 5);
+        } while (result < 0 && limit++ < WAC_MSG_RETRIES);
 
         /* No need to parse the Descriptor. It isn't an error though */
         if (result < 0)
@@ -319,24 +320,26 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat
         int limit = 0, report_id = 2;
         int error = -ENOMEM;
 
-        rep_data = kmalloc(2, GFP_KERNEL);
+        rep_data = kmalloc(4, GFP_KERNEL);
         if (!rep_data)
                 return error;
 
-        /* ask to report tablet data if it is 2FGT Tablet PC or
+        /* ask to report tablet data if it is MT Tablet PC or
          * not a Tablet PC */
         if (features->type == TABLETPC2FG) {
                 do {
                         rep_data[0] = 3;
                         rep_data[1] = 4;
+                        rep_data[2] = 0;
+                        rep_data[3] = 0;
                         report_id = 3;
                         error = usb_set_report(intf, WAC_HID_FEATURE_REPORT,
-                                report_id, rep_data, 2);
+                                report_id, rep_data, 4);
                         if (error >= 0)
                                 error = usb_get_report(intf,
                                         WAC_HID_FEATURE_REPORT, report_id,
-                                        rep_data, 3);
-                } while ((error < 0 || rep_data[1] != 4) && limit++ < 5);
+                                        rep_data, 4);
+                } while ((error < 0 || rep_data[1] != 4) && limit++ < WAC_MSG_RETRIES);
         } else if (features->type != TABLETPC) {
                 do {
                         rep_data[0] = 2;
@@ -347,7 +350,7 @@ static int wacom_query_tablet_data(struct usb_interface *intf, struct wacom_feat
                                 error = usb_get_report(intf,
                                         WAC_HID_FEATURE_REPORT, report_id,
                                         rep_data, 2);
-                } while ((error < 0 || rep_data[1] != 2) && limit++ < 5);
+                } while ((error < 0 || rep_data[1] != 2) && limit++ < WAC_MSG_RETRIES);
         }
 
         kfree(rep_data);
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 03ebcc8b24b5..c1c2f7b28d89 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -1460,6 +1460,9 @@ static const struct wacom_features wacom_features_0xD3 =
 static const struct wacom_features wacom_features_0xD4 =
         { "Wacom Bamboo Pen",     WACOM_PKGLEN_BBFUN,     14720,  9200, 1023,
           63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
+static const struct wacom_features wacom_features_0xD5 =
+        { "Wacom Bamboo Pen 6x8",     WACOM_PKGLEN_BBFUN, 21648, 13530, 1023,
+          63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
 static const struct wacom_features wacom_features_0xD6 =
         { "Wacom BambooPT 2FG 4x5", WACOM_PKGLEN_BBFUN,   14720,  9200, 1023,
           63, BAMBOO_PT, WACOM_INTUOS_RES, WACOM_INTUOS_RES };
@@ -1564,6 +1567,7 @@ const struct usb_device_id wacom_ids[] = {
         { USB_DEVICE_WACOM(0xD2) },
         { USB_DEVICE_WACOM(0xD3) },
         { USB_DEVICE_WACOM(0xD4) },
+        { USB_DEVICE_WACOM(0xD5) },
         { USB_DEVICE_WACOM(0xD6) },
         { USB_DEVICE_WACOM(0xD7) },
         { USB_DEVICE_WACOM(0xD8) },
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index ae00604a6a81..f5d66859f232 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -244,6 +244,7 @@ struct mxt_finger {
         int x;
         int y;
         int area;
+        int pressure;
 };
 
 /* Each client has this additional data */
@@ -536,6 +537,8 @@ static void mxt_input_report(struct mxt_data *data, int single_id)
                                         finger[id].x);
                         input_report_abs(input_dev, ABS_MT_POSITION_Y,
                                         finger[id].y);
+                        input_report_abs(input_dev, ABS_MT_PRESSURE,
+                                        finger[id].pressure);
                 } else {
                         finger[id].status = 0;
                 }
@@ -546,6 +549,8 @@ static void mxt_input_report(struct mxt_data *data, int single_id)
         if (status != MXT_RELEASE) {
                 input_report_abs(input_dev, ABS_X, finger[single_id].x);
                 input_report_abs(input_dev, ABS_Y, finger[single_id].y);
+                input_report_abs(input_dev,
+                                 ABS_PRESSURE, finger[single_id].pressure);
         }
 
         input_sync(input_dev);
@@ -560,6 +565,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
         int x;
         int y;
         int area;
+        int pressure;
 
         /* Check the touch is present on the screen */
         if (!(status & MXT_DETECT)) {
@@ -584,6 +590,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
                 y = y >> 2;
 
         area = message->message[4];
+        pressure = message->message[5];
 
         dev_dbg(dev, "[%d] %s x: %d, y: %d, area: %d\n", id,
                 status & MXT_MOVE ? "moved" : "pressed",
@@ -594,6 +601,7 @@ static void mxt_input_touchevent(struct mxt_data *data,
         finger[id].x = x;
         finger[id].y = y;
         finger[id].area = area;
+        finger[id].pressure = pressure;
 
         mxt_input_report(data, id);
 }
@@ -1116,6 +1124,8 @@ static int __devinit mxt_probe(struct i2c_client *client,
                              0, data->max_x, 0, 0);
         input_set_abs_params(input_dev, ABS_Y,
                              0, data->max_y, 0, 0);
+        input_set_abs_params(input_dev, ABS_PRESSURE,
+                             0, 255, 0, 0);
 
         /* For multi touch */
         input_mt_init_slots(input_dev, MXT_MAX_FINGER);
@@ -1125,6 +1135,8 @@ static int __devinit mxt_probe(struct i2c_client *client,
                              0, data->max_x, 0, 0);
         input_set_abs_params(input_dev, ABS_MT_POSITION_Y,
                              0, data->max_y, 0, 0);
+        input_set_abs_params(input_dev, ABS_MT_PRESSURE,
+                             0, 255, 0, 0);
 
         input_set_drvdata(input_dev, data);
         i2c_set_clientdata(client, data);
diff --git a/drivers/input/touchscreen/max11801_ts.c b/drivers/input/touchscreen/max11801_ts.c
index 4f2713d92791..4627fe55b401 100644
--- a/drivers/input/touchscreen/max11801_ts.c
+++ b/drivers/input/touchscreen/max11801_ts.c
@@ -9,7 +9,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  */
 
 /*
diff --git a/drivers/input/touchscreen/tnetv107x-ts.c b/drivers/input/touchscreen/tnetv107x-ts.c
index 089b0a0f3d8c..0e8f63e5b36f 100644
--- a/drivers/input/touchscreen/tnetv107x-ts.c
+++ b/drivers/input/touchscreen/tnetv107x-ts.c
@@ -13,6 +13,7 @@
  * GNU General Public License for more details.
  */
 
+#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/err.h>
 #include <linux/errno.h>