Merge tag 'v4.10-rc5' into next

Sync up with mainline to bring up improvements in various subsystems.

31 files changed, 104 insertions, 165 deletions

diff --git a/drivers/input/input-compat.c b/drivers/input/input-compat.c
index d84d20b9cec0..2186f71c9fe5 100644
--- a/drivers/input/input-compat.c
+++ b/drivers/input/input-compat.c
@@ -9,7 +9,7 @@
  */
 
 #include <linux/export.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include "input-compat.h"
 
 #ifdef CONFIG_COMPAT
diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index f3135ae22df4..abd18f31b24f 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -22,7 +22,6 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
-#include <linux/miscdevice.h>
 #include <linux/module.h>
 #include <linux/poll.h>
 #include <linux/init.h>
diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c
index 70a893a17467..36a5b93156ed 100644
--- a/drivers/input/joystick/walkera0701.c
+++ b/drivers/input/joystick/walkera0701.c
@@ -165,7 +165,7 @@ static void walkera0701_irq_handler(void *handler_data)
 				RESERVE + BIN1_PULSE - BIN0_PULSE)	/* frame sync .. */
 		w->counter = 0;
 
-	hrtimer_start(&w->timer, ktime_set(0, BIN_SAMPLE), HRTIMER_MODE_REL);
+	hrtimer_start(&w->timer, BIN_SAMPLE, HRTIMER_MODE_REL);
 }
 
 static enum hrtimer_restart timer_handler(struct hrtimer
diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
index c06b717139ad..247fd3a6fc03 100644
--- a/drivers/input/joystick/xpad.c
+++ b/drivers/input/joystick/xpad.c
@@ -1357,6 +1357,12 @@ static int xpad_init_input(struct usb_xpad *xpad)
 	input_dev->name = xpad->name;
 	input_dev->phys = xpad->phys;
 	usb_to_input_id(xpad->udev, &input_dev->id);
+
+	if (xpad->xtype == XTYPE_XBOX360W) {
+		/* x360w controllers and the receiver have different ids */
+		input_dev->id.product = 0x02a1;
+	}
+
 	input_dev->dev.parent = &xpad->intf->dev;
 
 	input_set_drvdata(input_dev, xpad);
diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
index 165c722408aa..87d071ae21da 100644
--- a/drivers/input/keyboard/cros_ec_keyb.c
+++ b/drivers/input/keyboard/cros_ec_keyb.c
@@ -27,6 +27,7 @@
 #include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
+#include <linux/notifier.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/input/matrix_keypad.h>
@@ -44,6 +45,7 @@
  * @dev: Device pointer
  * @idev: Input device
  * @ec: Top level ChromeOS device to use to talk to EC
+ * @notifier: interrupt event notifier for transport devices
  */
 struct cros_ec_keyb {
 	unsigned int rows;
@@ -57,6 +59,7 @@ struct cros_ec_keyb {
 	struct device *dev;
 	struct input_dev *idev;
 	struct cros_ec_device *ec;
+	struct notifier_block notifier;
 };
 
 
@@ -146,67 +149,44 @@ static void cros_ec_keyb_process(struct cros_ec_keyb *ckdev,
 	input_sync(ckdev->idev);
 }
 
-static int cros_ec_keyb_get_state(struct cros_ec_keyb *ckdev, uint8_t *kb_state)
-{
-	int ret = 0;
-	struct cros_ec_command *msg;
-
-	msg = kmalloc(sizeof(*msg) + ckdev->cols, GFP_KERNEL);
-	if (!msg)
-		return -ENOMEM;
-
-	msg->version = 0;
-	msg->command = EC_CMD_MKBP_STATE;
-	msg->insize = ckdev->cols;
-	msg->outsize = 0;
-
-	ret = cros_ec_cmd_xfer(ckdev->ec, msg);
-	if (ret < 0) {
-		dev_err(ckdev->dev, "Error transferring EC message %d\n", ret);
-		goto exit;
-	}
-
-	memcpy(kb_state, msg->data, ckdev->cols);
-exit:
-	kfree(msg);
-	return ret;
-}
-
-static irqreturn_t cros_ec_keyb_irq(int irq, void *data)
+static int cros_ec_keyb_open(struct input_dev *dev)
 {
-	struct cros_ec_keyb *ckdev = data;
-	struct cros_ec_device *ec = ckdev->ec;
-	int ret;
-	uint8_t kb_state[ckdev->cols];
-
-	if (device_may_wakeup(ec->dev))
-		pm_wakeup_event(ec->dev, 0);
-
-	ret = cros_ec_keyb_get_state(ckdev, kb_state);
-	if (ret >= 0)
-		cros_ec_keyb_process(ckdev, kb_state, ret);
-	else
-		dev_err(ckdev->dev, "failed to get keyboard state: %d\n", ret);
+	struct cros_ec_keyb *ckdev = input_get_drvdata(dev);
 
-	return IRQ_HANDLED;
+	return blocking_notifier_chain_register(&ckdev->ec->event_notifier,
+						&ckdev->notifier);
 }
 
-static int cros_ec_keyb_open(struct input_dev *dev)
+static void cros_ec_keyb_close(struct input_dev *dev)
 {
 	struct cros_ec_keyb *ckdev = input_get_drvdata(dev);
-	struct cros_ec_device *ec = ckdev->ec;
 
-	return request_threaded_irq(ec->irq, NULL, cros_ec_keyb_irq,
-					IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-					"cros_ec_keyb", ckdev);
+	blocking_notifier_chain_unregister(&ckdev->ec->event_notifier,
+					   &ckdev->notifier);
 }
 
-static void cros_ec_keyb_close(struct input_dev *dev)
+static int cros_ec_keyb_work(struct notifier_block *nb,
+			     unsigned long queued_during_suspend, void *_notify)
 {
-	struct cros_ec_keyb *ckdev = input_get_drvdata(dev);
-	struct cros_ec_device *ec = ckdev->ec;
+	struct cros_ec_keyb *ckdev = container_of(nb, struct cros_ec_keyb,
+						  notifier);
 
-	free_irq(ec->irq, ckdev);
+	if (ckdev->ec->event_data.event_type != EC_MKBP_EVENT_KEY_MATRIX)
+		return NOTIFY_DONE;
+	/*
+	 * If EC is not the wake source, discard key state changes during
+	 * suspend.
+	 */
+	if (queued_during_suspend)
+		return NOTIFY_OK;
+	if (ckdev->ec->event_size != ckdev->cols) {
+		dev_err(ckdev->dev,
+			"Discarded incomplete key matrix event.\n");
+		return NOTIFY_OK;
+	}
+	cros_ec_keyb_process(ckdev, ckdev->ec->event_data.data.key_matrix,
+			     ckdev->ec->event_size);
+	return NOTIFY_OK;
 }
 
 /*
@@ -265,12 +245,8 @@ static int cros_ec_keyb_probe(struct platform_device *pdev)
 	if (!idev)
 		return -ENOMEM;
 
-	if (!ec->irq) {
-		dev_err(dev, "no EC IRQ specified\n");
-		return -EINVAL;
-	}
-
 	ckdev->ec = ec;
+	ckdev->notifier.notifier_call = cros_ec_keyb_work;
 	ckdev->dev = dev;
 
 	idev->name = CROS_EC_DEV_NAME;
@@ -310,54 +286,6 @@ static int cros_ec_keyb_probe(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM_SLEEP
-/* Clear any keys in the buffer */
-static void cros_ec_keyb_clear_keyboard(struct cros_ec_keyb *ckdev)
-{
-	uint8_t old_state[ckdev->cols];
-	uint8_t new_state[ckdev->cols];
-	unsigned long duration;
-	int i, ret;
-
-	/*
-	 * Keep reading until we see that the scan state does not change.
-	 * That indicates that we are done.
-	 *
-	 * Assume that the EC keyscan buffer is at most 32 deep.
-	 */
-	duration = jiffies;
-	ret = cros_ec_keyb_get_state(ckdev, new_state);
-	for (i = 1; !ret && i < 32; i++) {
-		memcpy(old_state, new_state, sizeof(old_state));
-		ret = cros_ec_keyb_get_state(ckdev, new_state);
-		if (0 == memcmp(old_state, new_state, sizeof(old_state)))
-			break;
-	}
-	duration = jiffies - duration;
-	dev_info(ckdev->dev, "Discarded %d keyscan(s) in %dus\n", i,
-		jiffies_to_usecs(duration));
-}
-
-static int cros_ec_keyb_resume(struct device *dev)
-{
-	struct cros_ec_keyb *ckdev = dev_get_drvdata(dev);
-
-	/*
-	 * When the EC is not a wake source, then it could not have caused the
-	 * resume, so we clear the EC's key scan buffer. If the EC was a
-	 * wake source (e.g. the lid is open and the user might press a key to
-	 * wake) then the key scan buffer should be preserved.
-	 */
-	if (!ckdev->ec->was_wake_device)
-		cros_ec_keyb_clear_keyboard(ckdev);
-
-	return 0;
-}
-
-#endif
-
-static SIMPLE_DEV_PM_OPS(cros_ec_keyb_pm_ops, NULL, cros_ec_keyb_resume);
-
 #ifdef CONFIG_OF
 static const struct of_device_id cros_ec_keyb_of_match[] = {
 	{ .compatible = "google,cros-ec-keyb" },
@@ -371,7 +299,6 @@ static struct platform_driver cros_ec_keyb_driver = {
 	.driver = {
 		.name = "cros-ec-keyb",
 		.of_match_table = of_match_ptr(cros_ec_keyb_of_match),
-		.pm	= &cros_ec_keyb_pm_ops,
 	},
 };
 
diff --git a/drivers/input/misc/adxl34x-i2c.c b/drivers/input/misc/adxl34x-i2c.c
index a8b0a2eec344..7fed92fb8cc1 100644
--- a/drivers/input/misc/adxl34x-i2c.c
+++ b/drivers/input/misc/adxl34x-i2c.c
@@ -136,7 +136,6 @@ static const struct i2c_device_id adxl34x_id[] = {
 
 MODULE_DEVICE_TABLE(i2c, adxl34x_id);
 
-#ifdef CONFIG_OF
 static const struct of_device_id adxl34x_of_id[] = {
 	/*
 	 * The ADXL346 is backward-compatible with the ADXL345. Differences are
@@ -153,13 +152,12 @@ static const struct of_device_id adxl34x_of_id[] = {
 };
 
 MODULE_DEVICE_TABLE(of, adxl34x_of_id);
-#endif
 
 static struct i2c_driver adxl34x_driver = {
 	.driver = {
 		.name = "adxl34x",
 		.pm = &adxl34x_i2c_pm,
-		.of_match_table = of_match_ptr(adxl34x_of_id),
+		.of_match_table = adxl34x_of_id,
 	},
 	.probe    = adxl34x_i2c_probe,
 	.remove   = adxl34x_i2c_remove,
diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c
index de1b64703c8c..21dc1b8b2a4a 100644
--- a/drivers/input/misc/arizona-haptics.c
+++ b/drivers/input/misc/arizona-haptics.c
@@ -37,6 +37,8 @@ static void arizona_haptics_work(struct work_struct *work)
 						       struct arizona_haptics,
 						       work);
 	struct arizona *arizona = haptics->arizona;
+	struct snd_soc_component *component =
+		snd_soc_dapm_to_component(arizona->dapm);
 	int ret;
 
 	if (!haptics->arizona->dapm) {
@@ -66,7 +68,7 @@ static void arizona_haptics_work(struct work_struct *work)
 			return;
 		}
 
-		ret = snd_soc_dapm_enable_pin(arizona->dapm, "HAPTICS");
+		ret = snd_soc_component_enable_pin(component, "HAPTICS");
 		if (ret != 0) {
 			dev_err(arizona->dev, "Failed to start HAPTICS: %d\n",
 				ret);
@@ -81,7 +83,7 @@ static void arizona_haptics_work(struct work_struct *work)
 		}
 	} else {
 		/* This disable sequence will be a noop if already enabled */
-		ret = snd_soc_dapm_disable_pin(arizona->dapm, "HAPTICS");
+		ret = snd_soc_component_disable_pin(component, "HAPTICS");
 		if (ret != 0) {
 			dev_err(arizona->dev, "Failed to disable HAPTICS: %d\n",
 				ret);
@@ -140,11 +142,14 @@ static int arizona_haptics_play(struct input_dev *input, void *data,
 static void arizona_haptics_close(struct input_dev *input)
 {
 	struct arizona_haptics *haptics = input_get_drvdata(input);
+	struct snd_soc_component *component;
 
 	cancel_work_sync(&haptics->work);
 
-	if (haptics->arizona->dapm)
-		snd_soc_dapm_disable_pin(haptics->arizona->dapm, "HAPTICS");
+	if (haptics->arizona->dapm) {
+		component = snd_soc_dapm_to_component(haptics->arizona->dapm);
+		snd_soc_component_disable_pin(component, "HAPTICS");
+	}
 }
 
 static int arizona_haptics_probe(struct platform_device *pdev)
diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
index 638165c78e75..6423aaccc763 100644
--- a/drivers/input/misc/atlas_btns.c
+++ b/drivers/input/misc/atlas_btns.c
@@ -28,7 +28,7 @@
 #include <linux/input.h>
 #include <linux/types.h>
 #include <linux/acpi.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 
 #define ACPI_ATLAS_NAME		"Atlas ACPI"
 #define ACPI_ATLAS_CLASS	"Atlas"
diff --git a/drivers/input/misc/tps65218-pwrbutton.c b/drivers/input/misc/tps65218-pwrbutton.c
index 65384754714d..a4455bb12ae0 100644
--- a/drivers/input/misc/tps65218-pwrbutton.c
+++ b/drivers/input/misc/tps65218-pwrbutton.c
@@ -148,12 +148,20 @@ static int tps6521x_pb_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct platform_device_id tps6521x_pwrbtn_id_table[] = {
+	{ "tps65218-pwrbutton", },
+	{ "tps65217-pwrbutton", },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, tps6521x_pwrbtn_id_table);
+
 static struct platform_driver tps6521x_pb_driver = {
 	.probe	= tps6521x_pb_probe,
 	.driver	= {
 		.name	= "tps6521x_pwrbutton",
 		.of_match_table = of_tps6521x_pb_match,
 	},
+	.id_table = tps6521x_pwrbtn_id_table,
 };
 module_platform_driver(tps6521x_pb_driver);
 
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 65ebbd111702..92595b98e7ed 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -1013,23 +1013,12 @@ static struct miscdevice uinput_misc = {
 	.minor		= UINPUT_MINOR,
 	.name		= UINPUT_NAME,
 };
+module_misc_device(uinput_misc);
+
 MODULE_ALIAS_MISCDEV(UINPUT_MINOR);
 MODULE_ALIAS("devname:" UINPUT_NAME);
 
-static int __init uinput_init(void)
-{
-	return misc_register(&uinput_misc);
-}
-
-static void __exit uinput_exit(void)
-{
-	misc_deregister(&uinput_misc);
-}
-
 MODULE_AUTHOR("Aristeu Sergio Rozanski Filho");
 MODULE_DESCRIPTION("User level driver support for input subsystem");
 MODULE_LICENSE("GPL");
 MODULE_VERSION("0.3");
-
-module_init(uinput_init);
-module_exit(uinput_exit);
diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c
index 227fbd2dbb71..3900875dec10 100644
--- a/drivers/input/misc/xen-kbdfront.c
+++ b/drivers/input/misc/xen-kbdfront.c
@@ -108,7 +108,8 @@ static irqreturn_t input_handler(int rq, void *dev_id)
 static int xenkbd_probe(struct xenbus_device *dev,
 				  const struct xenbus_device_id *id)
 {
-	int ret, i, abs;
+	int ret, i;
+	unsigned int abs;
 	struct xenkbd_info *info;
 	struct input_dev *kbd, *ptr;
 
@@ -127,8 +128,7 @@ static int xenkbd_probe(struct xenbus_device *dev,
 	if (!info->page)
 		goto error_nomem;
 
-	if (xenbus_scanf(XBT_NIL, dev->otherend, "feature-abs-pointer", "%d", &abs) < 0)
-		abs = 0;
+	abs = xenbus_read_unsigned(dev->otherend, "feature-abs-pointer", 0);
 	if (abs) {
 		ret = xenbus_write(XBT_NIL, dev->nodename,
 				   "request-abs-pointer", "1");
@@ -322,11 +322,8 @@ static void xenkbd_backend_changed(struct xenbus_device *dev,
 
 	case XenbusStateInitWait:
 InitWait:
-		ret = xenbus_scanf(XBT_NIL, info->xbdev->otherend,
-				   "feature-abs-pointer", "%d", &val);
-		if (ret < 0)
-			val = 0;
-		if (val) {
+		if (xenbus_read_unsigned(info->xbdev->otherend,
+					 "feature-abs-pointer", 0)) {
 			ret = xenbus_write(XBT_NIL, info->xbdev->nodename,
 					   "request-abs-pointer", "1");
 			if (ret)
diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h
index cde6f4bd8ea2..6d279aa27cb9 100644
--- a/drivers/input/mouse/alps.h
+++ b/drivers/input/mouse/alps.h
@@ -114,7 +114,7 @@ enum SS4_PACKET_ID {
 				 (_b[1] & 0x7F)		\
 				)
 
-#define SS4_TS_Y_V2(_b)		(s8)(				\
+#define SS4_TS_Y_V2(_b)		-(s8)(				\
 				 ((_b[3] & 0x01) << 7) |	\
 				 (_b[2] & 0x7F)		\
 				)
diff --git a/drivers/input/mouse/amimouse.c b/drivers/input/mouse/amimouse.c
index a7fd8f22ba56..a33437c480e3 100644
--- a/drivers/input/mouse/amimouse.c
+++ b/drivers/input/mouse/amimouse.c
@@ -25,7 +25,7 @@
 
 #include <asm/irq.h>
 #include <asm/setup.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/amigahw.h>
 #include <asm/amigaints.h>
 
diff --git a/drivers/input/mouse/atarimouse.c b/drivers/input/mouse/atarimouse.c
index d1c43236b125..96f2f51604bd 100644
--- a/drivers/input/mouse/atarimouse.c
+++ b/drivers/input/mouse/atarimouse.c
@@ -47,7 +47,7 @@
 
 #include <asm/irq.h>
 #include <asm/setup.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/atarihw.h>
 #include <asm/atarikb.h>
 #include <asm/atariints.h>
diff --git a/drivers/input/mouse/focaltech.c b/drivers/input/mouse/focaltech.c
index 54eceb30ede5..a7d39689bbfb 100644
--- a/drivers/input/mouse/focaltech.c
+++ b/drivers/input/mouse/focaltech.c
@@ -43,7 +43,7 @@ int focaltech_detect(struct psmouse *psmouse, bool set_properties)
 
 	if (set_properties) {
 		psmouse->vendor = "FocalTech";
-		psmouse->name = "FocalTech Touchpad";
+		psmouse->name = "Touchpad";
 	}
 
 	return 0;
@@ -146,8 +146,8 @@ static void focaltech_report_state(struct psmouse *psmouse)
 	}
 	input_mt_report_pointer_emulation(dev, true);
 
-	input_report_key(psmouse->dev, BTN_LEFT, state->pressed);
-	input_sync(psmouse->dev);
+	input_report_key(dev, BTN_LEFT, state->pressed);
+	input_sync(dev);
 }
 
 static void focaltech_process_touch_packet(struct psmouse *psmouse,
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index fb4b185dea96..bee267424972 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1115,10 +1115,6 @@ static int psmouse_extensions(struct psmouse *psmouse,
 		if (psmouse_try_protocol(psmouse, PSMOUSE_TOUCHKIT_PS2,
 					 &max_proto, set_properties, true))
 			return PSMOUSE_TOUCHKIT_PS2;
-
-		if (psmouse_try_protocol(psmouse, PSMOUSE_BYD,
-					 &max_proto, set_properties, true))
-			return PSMOUSE_BYD;
 	}
 
 	/*
diff --git a/drivers/input/mouse/synaptics_i2c.c b/drivers/input/mouse/synaptics_i2c.c
index aa7c5da60800..cb2bf203f4ca 100644
--- a/drivers/input/mouse/synaptics_i2c.c
+++ b/drivers/input/mouse/synaptics_i2c.c
@@ -29,7 +29,7 @@
  * after soft reset, we should wait for 1 ms
  * before the device becomes operational
  */
-#define SOFT_RESET_DELAY_MS	3
+#define SOFT_RESET_DELAY_US	3000
 /* and after hard reset, we should wait for max 500ms */
 #define HARD_RESET_DELAY_MS	500
 
@@ -311,7 +311,7 @@ static int synaptics_i2c_reset_config(struct i2c_client *client)
 	if (ret) {
 		dev_err(&client->dev, "Unable to reset device\n");
 	} else {
-		msleep(SOFT_RESET_DELAY_MS);
+		usleep_range(SOFT_RESET_DELAY_US, SOFT_RESET_DELAY_US + 100);
 		ret = synaptics_i2c_config(client);
 		if (ret)
 			dev_err(&client->dev, "Unable to config device\n");
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 75ed6df49738..922ea02edcc3 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -15,7 +15,7 @@
 #include <linux/input.h>
 #include <linux/libps2.h>
 #include <linux/proc_fs.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include "psmouse.h"
 #include "trackpoint.h"
 
diff --git a/drivers/input/rmi4/Kconfig b/drivers/input/rmi4/Kconfig
index 30cc627a4f45..8993983e3fe4 100644
--- a/drivers/input/rmi4/Kconfig
+++ b/drivers/input/rmi4/Kconfig
@@ -41,7 +41,8 @@ config RMI4_SMB
 
 config RMI4_F03
         bool "RMI4 Function 03 (PS2 Guest)"
-        depends on RMI4_CORE && SERIO
+	depends on RMI4_CORE
+	depends on SERIO=y || RMI4_CORE=SERIO
         help
           Say Y here if you want to add support for RMI4 function 03.
 
diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c
index df97d8679bad..1c40d94ca506 100644
--- a/drivers/input/rmi4/rmi_bus.c
+++ b/drivers/input/rmi4/rmi_bus.c
@@ -9,7 +9,6 @@
 
 #include <linux/kernel.h>
 #include <linux/device.h>
-#include <linux/kconfig.h>
 #include <linux/list.h>
 #include <linux/pm.h>
 #include <linux/rmi.h>
diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index cb6efe693302..11447ab1055c 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -18,7 +18,6 @@
 #include <linux/delay.h>
 #include <linux/fs.h>
 #include <linux/irq.h>
-#include <linux/kconfig.h>
 #include <linux/pm.h>
 #include <linux/slab.h>
 #include <linux/of.h>
diff --git a/drivers/input/rmi4/rmi_f01.c b/drivers/input/rmi4/rmi_f01.c
index cae35c6cde31..18baf4ceb940 100644
--- a/drivers/input/rmi4/rmi_f01.c
+++ b/drivers/input/rmi4/rmi_f01.c
@@ -8,7 +8,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/kconfig.h>
 #include <linux/rmi.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
diff --git a/drivers/input/rmi4/rmi_f11.c b/drivers/input/rmi4/rmi_f11.c
index 68279f3c5130..bc5e37f30ac1 100644
--- a/drivers/input/rmi4/rmi_f11.c
+++ b/drivers/input/rmi4/rmi_f11.c
@@ -12,7 +12,6 @@
 #include <linux/device.h>
 #include <linux/input.h>
 #include <linux/input/mt.h>
-#include <linux/kconfig.h>
 #include <linux/rmi.h>
 #include <linux/slab.h>
 #include <linux/of.h>
diff --git a/drivers/input/serio/hp_sdc.c b/drivers/input/serio/hp_sdc.c
index 852858e5d8d0..559c99ca6592 100644
--- a/drivers/input/serio/hp_sdc.c
+++ b/drivers/input/serio/hp_sdc.c
@@ -79,7 +79,7 @@
 # define sdc_readb(p)		gsc_readb(p)
 # define sdc_writeb(v,p)	gsc_writeb((v),(p))
 #elif defined(__mc68000__)
-# include <asm/uaccess.h>
+#include <linux/uaccess.h>
 # define sdc_readb(p)		in_8(p)
 # define sdc_writeb(v,p)	out_8((p),(v))
 #else
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index a4592ebf9a1d..05afd16ea9c9 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -211,6 +211,12 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
 			DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
 		},
 	},
+	{
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
+		},
+	},
 	{ }
 };
 
@@ -805,6 +811,13 @@ static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
 		},
 	},
+	{
+		/* Schenker XMG C504 - Elantech touchpad */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
+		},
+	},
 	{ }
 };
 
@@ -984,7 +997,11 @@ static int __init i8042_pnp_init(void)
 #if defined(__ia64__)
 		return -ENODEV;
 #else
-		pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
+		pr_info("PNP: No PS/2 controller found.\n");
+		if (x86_platform.legacy.i8042 !=
+				X86_LEGACY_I8042_EXPECTED_PRESENT)
+			return -ENODEV;
+		pr_info("Probing ports directly.\n");
 		return 0;
 #endif
 	}
@@ -1071,8 +1088,8 @@ static int __init i8042_platform_init(void)
 
 #ifdef CONFIG_X86
 	u8 a20_on = 0xdf;
-	/* Just return if pre-detection shows no i8042 controller exist */
-	if (!x86_platform.i8042_detect())
+	/* Just return if platform does not have i8042 controller */
+	if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT)
 		return -ENODEV;
 #endif
 
diff --git a/drivers/input/serio/q40kbd.c b/drivers/input/serio/q40kbd.c
index 5a9d521510bf..d0fccc8ec259 100644
--- a/drivers/input/serio/q40kbd.c
+++ b/drivers/input/serio/q40kbd.c
@@ -38,7 +38,7 @@
 #include <linux/slab.h>
 
 #include <asm/io.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/q40_master.h>
 #include <asm/irq.h>
 #include <asm/q40ints.h>
diff --git a/drivers/input/serio/serport.c b/drivers/input/serio/serport.c
index d189843f3727..f8ead9f9c77e 100644
--- a/drivers/input/serio/serport.c
+++ b/drivers/input/serio/serport.c
@@ -13,7 +13,7 @@
  * the Free Software Foundation.
  */
 
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 4613f0aefd08..d67547bded3e 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -75,7 +75,7 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/usb/input.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/unaligned.h>
 
 /*
diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c
index abf09ac42ce4..b796e891e2ee 100644
--- a/drivers/input/tablet/gtco.c
+++ b/drivers/input/tablet/gtco.c
@@ -56,7 +56,7 @@ Scott Hill shill@gtcocalcomp.com
 #include <linux/slab.h>
 #include <linux/input.h>
 #include <linux/usb.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/unaligned.h>
 #include <asm/byteorder.h>
 #include <linux/bitops.h>
diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
index 740e4483f4fd..872750eeca93 100644
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -914,9 +914,9 @@ static irqreturn_t elants_i2c_irq(int irq, void *_dev)
 
 		case QUEUE_HEADER_NORMAL:
 			report_count = ts->buf[FW_HDR_COUNT];
-			if (report_count > 3) {
+			if (report_count == 0 || report_count > 3) {
 				dev_err(&client->dev,
-					"too large report count: %*ph\n",
+					"bad report count: %*ph\n",
 					HEADER_SIZE, ts->buf);
 				break;
 			}
diff --git a/drivers/input/touchscreen/wm97xx-core.c b/drivers/input/touchscreen/wm97xx-core.c
index 90d6be3c26cc..83cf11312fd9 100644
--- a/drivers/input/touchscreen/wm97xx-core.c
+++ b/drivers/input/touchscreen/wm97xx-core.c
@@ -682,7 +682,7 @@ static int wm97xx_probe(struct device *dev)
 	}
 	platform_set_drvdata(wm->battery_dev, wm);
 	wm->battery_dev->dev.parent = dev;
-	wm->battery_dev->dev.platform_data = pdata;
+	wm->battery_dev->dev.platform_data = pdata->batt_pdata;
 	ret = platform_device_add(wm->battery_dev);
 	if (ret < 0)
 		goto batt_reg_err;