diff --git a/Documentation/devicetree/bindings/input/cypress,cyapa.txt b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
index 635a3b03663002d8f4eb47b25fd504d2a7ebca93..8d91ba9ff2fd0918bbf18fc1149f2fb3613bf80e 100644
--- a/Documentation/devicetree/bindings/input/cypress,cyapa.txt
+++ b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
@@ -25,7 +25,7 @@ Example:
 		/* Cypress Gen3 touchpad */
 		touchpad@67 {
 			compatible = "cypress,cyapa";
-			reg = <0x24>;
+			reg = <0x67>;
 			interrupt-parent = <&gpio>;
 			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;	/* GPIO 2 */
 			wakeup-source;
diff --git a/Documentation/input/multi-touch-protocol.txt b/Documentation/input/multi-touch-protocol.txt
index b85d000faeb4067c9ab1ed06690105d459a40a4e..c51f1146f3bd8396f572cddb9c87ae2620d236ba 100644
--- a/Documentation/input/multi-touch-protocol.txt
+++ b/Documentation/input/multi-touch-protocol.txt
@@ -361,7 +361,7 @@ For win8 devices with both T and C coordinates, the position mapping is
    ABS_MT_POSITION_X := T_X
    ABS_MT_POSITION_Y := T_Y
    ABS_MT_TOOL_X := C_X
-   ABS_MT_TOOL_X := C_Y
+   ABS_MT_TOOL_Y := C_Y
 
 Unfortunately, there is not enough information to specify both the touching
 ellipse and the tool ellipse, so one has to resort to approximations.  One
diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c
index b76ac580703ce5dc9ef97fac6620adc47ea44273..a8bc2fe170dd83e12ff78706f97f9bc32a72e5cd 100644
--- a/drivers/input/joystick/walkera0701.c
+++ b/drivers/input/joystick/walkera0701.c
@@ -150,7 +150,7 @@ static void walkera0701_irq_handler(void *handler_data)
 		if (w->counter == 24) {	/* full frame */
 			walkera0701_parse_frame(w);
 			w->counter = NO_SYNC;
-			if (abs(pulse_time - SYNC_PULSE) < RESERVE)	/* new frame sync */
+			if (abs64(pulse_time - SYNC_PULSE) < RESERVE)	/* new frame sync */
 				w->counter = 0;
 		} else {
 			if ((pulse_time > (ANALOG_MIN_PULSE - RESERVE)
@@ -161,7 +161,7 @@ static void walkera0701_irq_handler(void *handler_data)
 			} else
 				w->counter = NO_SYNC;
 		}
-	} else if (abs(pulse_time - SYNC_PULSE - BIN0_PULSE) <
+	} else if (abs64(pulse_time - SYNC_PULSE - BIN0_PULSE) <
 				RESERVE + BIN1_PULSE - BIN0_PULSE)	/* frame sync .. */
 		w->counter = 0;
 
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index b052afec9a11f0d323eb735dee3d262eabf116a2..6639b2b8528aa6da9a518d3bd3dc0da3010f4a09 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -266,7 +266,7 @@ static int omap4_keypad_probe(struct platform_device *pdev)
 
 	error = omap4_keypad_parse_dt(&pdev->dev, keypad_data);
 	if (error)
-		return error;
+		goto err_free_keypad;
 
 	res = request_mem_region(res->start, resource_size(res), pdev->name);
 	if (!res) {
diff --git a/drivers/input/misc/pm8941-pwrkey.c b/drivers/input/misc/pm8941-pwrkey.c
index 867db8a91372017d2af6a11d24f189a7bc796fc2..e317b75357a0182d99ef3c04223596bd1de6fc80 100644
--- a/drivers/input/misc/pm8941-pwrkey.c
+++ b/drivers/input/misc/pm8941-pwrkey.c
@@ -93,7 +93,7 @@ static int pm8941_reboot_notify(struct notifier_block *nb,
 	default:
 		reset_type = PON_PS_HOLD_TYPE_HARD_RESET;
 		break;
-	};
+	}
 
 	error = regmap_update_bits(pwrkey->regmap,
 				   pwrkey->baseaddr + PON_PS_HOLD_RST_CTL,
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 345df9b03aed7f1eff56cf2f1a743c59c8d5e780..5adbcedcb81cf4391bfdddefe11aae5d3131dd76 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -414,7 +414,7 @@ static int uinput_setup_device(struct uinput_device *udev,
 	dev->id.product	= user_dev->id.product;
 	dev->id.version	= user_dev->id.version;
 
-	for_each_set_bit(i, dev->absbit, ABS_CNT) {
+	for (i = 0; i < ABS_CNT; i++) {
 		input_abs_set_max(dev, i, user_dev->absmax[i]);
 		input_abs_set_min(dev, i, user_dev->absmin[i]);
 		input_abs_set_fuzz(dev, i, user_dev->absfuzz[i]);
diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index 73670f2aebfd5e189ab794c6ffd4b44759bb5acb..c0ec26118732879f7674f68bd0458b3d27602f61 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -60,7 +60,7 @@ struct elan_transport_ops {
 	int (*get_sm_version)(struct i2c_client *client,
 			      u8* ic_type, u8 *version);
 	int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum);
-	int (*get_product_id)(struct i2c_client *client, u8 *id);
+	int (*get_product_id)(struct i2c_client *client, u16 *id);
 
 	int (*get_max)(struct i2c_client *client,
 		       unsigned int *max_x, unsigned int *max_y);
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index fa945304b9a576d4303c778eca929a5f3517092a..5e1665bbaa0baca86e2c865ba88162be2f209d2e 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -40,7 +40,7 @@
 #include "elan_i2c.h"
 
 #define DRIVER_NAME		"elan_i2c"
-#define ELAN_DRIVER_VERSION	"1.6.0"
+#define ELAN_DRIVER_VERSION	"1.6.1"
 #define ETP_MAX_PRESSURE	255
 #define ETP_FWIDTH_REDUCE	90
 #define ETP_FINGER_WIDTH	15
@@ -76,7 +76,7 @@ struct elan_tp_data {
 	unsigned int		x_res;
 	unsigned int		y_res;
 
-	u8			product_id;
+	u16			product_id;
 	u8			fw_version;
 	u8			sm_version;
 	u8			iap_version;
@@ -98,15 +98,25 @@ static int elan_get_fwinfo(u8 iap_version, u16 *validpage_count,
 			   u16 *signature_address)
 {
 	switch (iap_version) {
+	case 0x00:
+	case 0x06:
 	case 0x08:
 		*validpage_count = 512;
 		break;
+	case 0x03:
+	case 0x07:
 	case 0x09:
+	case 0x0A:
+	case 0x0B:
+	case 0x0C:
 		*validpage_count = 768;
 		break;
 	case 0x0D:
 		*validpage_count = 896;
 		break;
+	case 0x0E:
+		*validpage_count = 640;
+		break;
 	default:
 		/* unknown ic type clear value */
 		*validpage_count = 0;
@@ -266,11 +276,10 @@ static int elan_query_device_info(struct elan_tp_data *data)
 
 	error = elan_get_fwinfo(data->iap_version, &data->fw_validpage_count,
 				&data->fw_signature_address);
-	if (error) {
-		dev_err(&data->client->dev,
-			"unknown iap version %d\n", data->iap_version);
-		return error;
-	}
+	if (error)
+		dev_warn(&data->client->dev,
+			 "unexpected iap version %#04x (ic type: %#04x), firmware update will not work\n",
+			 data->iap_version, data->ic_type);
 
 	return 0;
 }
@@ -486,6 +495,9 @@ static ssize_t elan_sysfs_update_fw(struct device *dev,
 	const u8 *fw_signature;
 	static const u8 signature[] = {0xAA, 0x55, 0xCC, 0x33, 0xFF, 0xFF};
 
+	if (data->fw_validpage_count == 0)
+		return -EINVAL;
+
 	/* Look for a firmware with the product id appended. */
 	fw_name = kasprintf(GFP_KERNEL, ETP_FW_NAME, data->product_id);
 	if (!fw_name) {
diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
index 683c840c9dd73f31d1279b7db88dfacd1f42b7b0..a679e56c44cd49ddea4361aebdb97d4fe7f1e12e 100644
--- a/drivers/input/mouse/elan_i2c_i2c.c
+++ b/drivers/input/mouse/elan_i2c_i2c.c
@@ -276,7 +276,7 @@ static int elan_i2c_get_sm_version(struct i2c_client *client,
 	return 0;
 }
 
-static int elan_i2c_get_product_id(struct i2c_client *client, u8 *id)
+static int elan_i2c_get_product_id(struct i2c_client *client, u16 *id)
 {
 	int error;
 	u8 val[3];
@@ -287,7 +287,7 @@ static int elan_i2c_get_product_id(struct i2c_client *client, u8 *id)
 		return error;
 	}
 
-	*id = val[0];
+	*id = le16_to_cpup((__le16 *)val);
 	return 0;
 }
 
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
index ff36a366b2aa1aadbe3c9a7f0e9de3eb687d83c3..cb6aecbc1dc28a20885885c4b361ecf8343bc445 100644
--- a/drivers/input/mouse/elan_i2c_smbus.c
+++ b/drivers/input/mouse/elan_i2c_smbus.c
@@ -183,7 +183,7 @@ static int elan_smbus_get_sm_version(struct i2c_client *client,
 	return 0;
 }
 
-static int elan_smbus_get_product_id(struct i2c_client *client, u8 *id)
+static int elan_smbus_get_product_id(struct i2c_client *client, u16 *id)
 {
 	int error;
 	u8 val[3];
@@ -195,7 +195,7 @@ static int elan_smbus_get_product_id(struct i2c_client *client, u8 *id)
 		return error;
 	}
 
-	*id = val[1];
+	*id = be16_to_cpup((__be16 *)val);
 	return 0;
 }
 
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 994ae788615698bf3af613f1de765fe0411be995..6025eb430c0a5010c908961ccf8897943fd3c945 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -519,18 +519,14 @@ static int synaptics_set_mode(struct psmouse *psmouse)
 	struct synaptics_data *priv = psmouse->private;
 
 	priv->mode = 0;
-
-	if (priv->absolute_mode) {
+	if (priv->absolute_mode)
 		priv->mode |= SYN_BIT_ABSOLUTE_MODE;
-		if (SYN_CAP_EXTENDED(priv->capabilities))
-			priv->mode |= SYN_BIT_W_MODE;
-	}
-
-	if (!SYN_MODE_WMODE(priv->mode) && priv->disable_gesture)
+	if (priv->disable_gesture)
 		priv->mode |= SYN_BIT_DISABLE_GESTURE;
-
 	if (psmouse->rate >= 80)
 		priv->mode |= SYN_BIT_HIGH_RATE;
+	if (SYN_CAP_EXTENDED(priv->capabilities))
+		priv->mode |= SYN_BIT_W_MODE;
 
 	if (synaptics_mode_cmd(psmouse, priv->mode))
 		return -1;
diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index 75516996db2070b621c6250cdd9710acf473ad42..316f2c8971011dae527d506ee18d49ce96f316e0 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -212,12 +212,17 @@ int __ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
 	 * time before the ACK arrives.
 	 */
 	if (ps2_sendbyte(ps2dev, command & 0xff,
-			 command == PS2_CMD_RESET_BAT ? 1000 : 200))
-		goto out;
+			 command == PS2_CMD_RESET_BAT ? 1000 : 200)) {
+		serio_pause_rx(ps2dev->serio);
+		goto out_reset_flags;
+	}
 
-	for (i = 0; i < send; i++)
-		if (ps2_sendbyte(ps2dev, param[i], 200))
-			goto out;
+	for (i = 0; i < send; i++) {
+		if (ps2_sendbyte(ps2dev, param[i], 200)) {
+			serio_pause_rx(ps2dev->serio);
+			goto out_reset_flags;
+		}
+	}
 
 	/*
 	 * The reset command takes a long time to execute.
@@ -234,17 +239,18 @@ int __ps2_command(struct ps2dev *ps2dev, unsigned char *param, int command)
 				   !(ps2dev->flags & PS2_FLAG_CMD), timeout);
 	}
 
+	serio_pause_rx(ps2dev->serio);
+
 	if (param)
 		for (i = 0; i < receive; i++)
 			param[i] = ps2dev->cmdbuf[(receive - 1) - i];
 
 	if (ps2dev->cmdcnt && (command != PS2_CMD_RESET_BAT || ps2dev->cmdcnt != 1))
-		goto out;
+		goto out_reset_flags;
 
 	rc = 0;
 
- out:
-	serio_pause_rx(ps2dev->serio);
+ out_reset_flags:
 	ps2dev->flags = 0;
 	serio_continue_rx(ps2dev->serio);
 
diff --git a/drivers/input/serio/parkbd.c b/drivers/input/serio/parkbd.c
index 26b45936f9fdf3334c6f083aeaa7c5ee5bb178dd..1e8cd6f1fe9e875005af95b54787890f81116a5f 100644
--- a/drivers/input/serio/parkbd.c
+++ b/drivers/input/serio/parkbd.c
@@ -194,6 +194,7 @@ static int __init parkbd_init(void)
 	parkbd_port = parkbd_allocate_serio();
 	if (!parkbd_port) {
 		parport_release(parkbd_dev);
+		parport_unregister_device(parkbd_dev);
 		return -ENOMEM;
 	}
 
diff --git a/drivers/input/touchscreen/imx6ul_tsc.c b/drivers/input/touchscreen/imx6ul_tsc.c
index ff0b75813daa21cff6f8baccfbf453a06ebf383b..8275267eac25441f308e6103e82d48830d1feb71 100644
--- a/drivers/input/touchscreen/imx6ul_tsc.c
+++ b/drivers/input/touchscreen/imx6ul_tsc.c
@@ -94,7 +94,7 @@ struct imx6ul_tsc {
  * TSC module need ADC to get the measure value. So
  * before config TSC, we should initialize ADC module.
  */
-static void imx6ul_adc_init(struct imx6ul_tsc *tsc)
+static int imx6ul_adc_init(struct imx6ul_tsc *tsc)
 {
 	int adc_hc = 0;
 	int adc_gc;
@@ -122,17 +122,23 @@ static void imx6ul_adc_init(struct imx6ul_tsc *tsc)
 
 	timeout = wait_for_completion_timeout
 			(&tsc->completion, ADC_TIMEOUT);
-	if (timeout == 0)
+	if (timeout == 0) {
 		dev_err(tsc->dev, "Timeout for adc calibration\n");
+		return -ETIMEDOUT;
+	}
 
 	adc_gs = readl(tsc->adc_regs + REG_ADC_GS);
-	if (adc_gs & ADC_CALF)
+	if (adc_gs & ADC_CALF) {
 		dev_err(tsc->dev, "ADC calibration failed\n");
+		return -EINVAL;
+	}
 
 	/* TSC need the ADC work in hardware trigger */
 	adc_cfg = readl(tsc->adc_regs + REG_ADC_CFG);
 	adc_cfg |= ADC_HARDWARE_TRIGGER;
 	writel(adc_cfg, tsc->adc_regs + REG_ADC_CFG);
+
+	return 0;
 }
 
 /*
@@ -188,11 +194,17 @@ static void imx6ul_tsc_set(struct imx6ul_tsc *tsc)
 	writel(start, tsc->tsc_regs + REG_TSC_FLOW_CONTROL);
 }
 
-static void imx6ul_tsc_init(struct imx6ul_tsc *tsc)
+static int imx6ul_tsc_init(struct imx6ul_tsc *tsc)
 {
-	imx6ul_adc_init(tsc);
+	int err;
+
+	err = imx6ul_adc_init(tsc);
+	if (err)
+		return err;
 	imx6ul_tsc_channel_config(tsc);
 	imx6ul_tsc_set(tsc);
+
+	return 0;
 }
 
 static void imx6ul_tsc_disable(struct imx6ul_tsc *tsc)
@@ -311,9 +323,7 @@ static int imx6ul_tsc_open(struct input_dev *input_dev)
 		return err;
 	}
 
-	imx6ul_tsc_init(tsc);
-
-	return 0;
+	return imx6ul_tsc_init(tsc);
 }
 
 static void imx6ul_tsc_close(struct input_dev *input_dev)
@@ -337,7 +347,7 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
 	int tsc_irq;
 	int adc_irq;
 
-	tsc = devm_kzalloc(&pdev->dev, sizeof(struct imx6ul_tsc), GFP_KERNEL);
+	tsc = devm_kzalloc(&pdev->dev, sizeof(*tsc), GFP_KERNEL);
 	if (!tsc)
 		return -ENOMEM;
 
@@ -345,7 +355,7 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
 	if (!input_dev)
 		return -ENOMEM;
 
-	input_dev->name = "iMX6UL TouchScreen Controller";
+	input_dev->name = "iMX6UL Touchscreen Controller";
 	input_dev->id.bustype = BUS_HOST;
 
 	input_dev->open = imx6ul_tsc_open;
@@ -406,7 +416,7 @@ static int imx6ul_tsc_probe(struct platform_device *pdev)
 	}
 
 	adc_irq = platform_get_irq(pdev, 1);
-	if (adc_irq <= 0) {
+	if (adc_irq < 0) {
 		dev_err(&pdev->dev, "no adc irq resource?\n");
 		return adc_irq;
 	}
@@ -491,7 +501,7 @@ static int __maybe_unused imx6ul_tsc_resume(struct device *dev)
 			goto out;
 		}
 
-		imx6ul_tsc_init(tsc);
+		retval = imx6ul_tsc_init(tsc);
 	}
 
 out:
diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c
index 7cce87650fc8da3e401ec9a9aa1807ea1a2d9dfb..1fafc9f57af6c75a7a8a9e9d6b90e016f4e90272 100644
--- a/drivers/input/touchscreen/mms114.c
+++ b/drivers/input/touchscreen/mms114.c
@@ -394,12 +394,12 @@ static struct mms114_platform_data *mms114_parse_dt(struct device *dev)
 	if (of_property_read_u32(np, "x-size", &pdata->x_size)) {
 		dev_err(dev, "failed to get x-size property\n");
 		return NULL;
-	};
+	}
 
 	if (of_property_read_u32(np, "y-size", &pdata->y_size)) {
 		dev_err(dev, "failed to get y-size property\n");
 		return NULL;
-	};
+	}
 
 	of_property_read_u32(np, "contact-threshold",
 				&pdata->contact_threshold);