Merge branch 'next' into for-linus

Prepare input updates for 7.1 merge window.

22 files changed, 166 insertions, 89 deletions

diff --git a/drivers/input/misc/88pm80x_onkey.c b/drivers/input/misc/88pm80x_onkey.c
index 9159b5fec129..fee28e537898 100644
--- a/drivers/input/misc/88pm80x_onkey.c
+++ b/drivers/input/misc/88pm80x_onkey.c
@@ -57,7 +57,7 @@ static int pm80x_onkey_probe(struct platform_device *pdev)
 	struct pm80x_onkey_info *info;
 	int err;
 
-	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	info = kzalloc_obj(*info);
 	if (!info)
 		return -ENOMEM;
 
diff --git a/drivers/input/misc/adxl34x-i2c.c b/drivers/input/misc/adxl34x-i2c.c
index c05d898898e8..5ea0ce42a507 100644
--- a/drivers/input/misc/adxl34x-i2c.c
+++ b/drivers/input/misc/adxl34x-i2c.c
@@ -77,11 +77,8 @@ static const struct adxl34x_bus_ops adxl34x_i2c_bops = {
 static int adxl34x_i2c_probe(struct i2c_client *client)
 {
 	struct adxl34x *ac;
-	int error;
 
-	error = i2c_check_functionality(client->adapter,
-			I2C_FUNC_SMBUS_BYTE_DATA);
-	if (!error) {
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
 		dev_err(&client->dev, "SMBUS Byte Data not Supported\n");
 		return -EIO;
 	}
diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c
index 5fa1c9438a85..bb1544d63c51 100644
--- a/drivers/input/misc/arizona-haptics.c
+++ b/drivers/input/misc/arizona-haptics.c
@@ -34,8 +34,6 @@ 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) {
@@ -65,7 +63,7 @@ static void arizona_haptics_work(struct work_struct *work)
 			return;
 		}
 
-		ret = snd_soc_component_enable_pin(component, "HAPTICS");
+		ret = snd_soc_dapm_enable_pin(arizona->dapm, "HAPTICS");
 		if (ret != 0) {
 			dev_err(arizona->dev, "Failed to start HAPTICS: %d\n",
 				ret);
@@ -80,7 +78,7 @@ static void arizona_haptics_work(struct work_struct *work)
 		}
 	} else {
 		/* This disable sequence will be a noop if already enabled */
-		ret = snd_soc_component_disable_pin(component, "HAPTICS");
+		ret = snd_soc_dapm_disable_pin(arizona->dapm, "HAPTICS");
 		if (ret != 0) {
 			dev_err(arizona->dev, "Failed to disable HAPTICS: %d\n",
 				ret);
@@ -139,14 +137,12 @@ 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;
+	struct snd_soc_dapm_context *dapm = haptics->arizona->dapm;
 
 	cancel_work_sync(&haptics->work);
 
-	if (haptics->arizona->dapm) {
-		component = snd_soc_dapm_to_component(haptics->arizona->dapm);
-		snd_soc_component_disable_pin(component, "HAPTICS");
-	}
+	if (dapm)
+		snd_soc_dapm_disable_pin(dapm, "HAPTICS");
 }
 
 static int arizona_haptics_probe(struct platform_device *pdev)
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index e84649af801d..8db2dca84975 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -772,7 +772,7 @@ static int ati_remote2_probe(struct usb_interface *interface, const struct usb_d
 	if (alt->desc.bInterfaceNumber)
 		return -ENODEV;
 
-	ar2 = kzalloc(sizeof (struct ati_remote2), GFP_KERNEL);
+	ar2 = kzalloc_obj(struct ati_remote2);
 	if (!ar2)
 		return -ENOMEM;
 
diff --git a/drivers/input/misc/atlas_btns.c b/drivers/input/misc/atlas_btns.c
index 5b9be2957746..47b31725e850 100644
--- a/drivers/input/misc/atlas_btns.c
+++ b/drivers/input/misc/atlas_btns.c
@@ -14,6 +14,7 @@
 #include <linux/input.h>
 #include <linux/types.h>
 #include <linux/acpi.h>
+#include <linux/platform_device.h>
 #include <linux/uaccess.h>
 
 #define ACPI_ATLAS_NAME		"Atlas ACPI"
@@ -57,8 +58,9 @@ static acpi_status acpi_atlas_button_handler(u32 function,
 	return status;
 }
 
-static int atlas_acpi_button_add(struct acpi_device *device)
+static int atlas_acpi_button_probe(struct platform_device *pdev)
 {
+	struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
 	acpi_status status;
 	int i;
 	int err;
@@ -106,8 +108,9 @@ static int atlas_acpi_button_add(struct acpi_device *device)
 	return err;
 }
 
-static void atlas_acpi_button_remove(struct acpi_device *device)
+static void atlas_acpi_button_remove(struct platform_device *pdev)
 {
+	struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
 	acpi_status status;
 
 	status = acpi_remove_address_space_handler(device->handle,
@@ -124,16 +127,15 @@ static const struct acpi_device_id atlas_device_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, atlas_device_ids);
 
-static struct acpi_driver atlas_acpi_driver = {
-	.name	= ACPI_ATLAS_NAME,
-	.class	= ACPI_ATLAS_CLASS,
-	.ids	= atlas_device_ids,
-	.ops	= {
-		.add	= atlas_acpi_button_add,
-		.remove	= atlas_acpi_button_remove,
+static struct platform_driver atlas_acpi_driver = {
+	.probe = atlas_acpi_button_probe,
+	.remove = atlas_acpi_button_remove,
+	.driver = {
+		.name = ACPI_ATLAS_NAME,
+		.acpi_match_table = atlas_device_ids,
 	},
 };
-module_acpi_driver(atlas_acpi_driver);
+module_platform_driver(atlas_acpi_driver);
 
 MODULE_AUTHOR("Jaya Kumar");
 MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/aw86927.c b/drivers/input/misc/aw86927.c
index 8ad361239cfe..f53b8f004cb3 100644
--- a/drivers/input/misc/aw86927.c
+++ b/drivers/input/misc/aw86927.c
@@ -43,6 +43,12 @@
 #define AW86927_PLAYCFG1_BST_VOUT_VREFSET_MASK	GENMASK(6, 0)
 #define AW86927_PLAYCFG1_BST_8500MV		0x50
 
+#define AW86938_PLAYCFG1_REG			0x06
+#define AW86938_PLAYCFG1_BST_MODE_MASK		GENMASK(5, 5)
+#define AW86938_PLAYCFG1_BST_MODE_BYPASS	0
+#define AW86938_PLAYCFG1_BST_VOUT_VREFSET_MASK	GENMASK(4, 0)
+#define AW86938_PLAYCFG1_BST_7000MV		0x11
+
 #define AW86927_PLAYCFG2_REG			0x07
 
 #define AW86927_PLAYCFG3_REG			0x08
@@ -140,6 +146,7 @@
 #define AW86927_CHIPIDH_REG			0x57
 #define AW86927_CHIPIDL_REG			0x58
 #define AW86927_CHIPID				0x9270
+#define AW86938_CHIPID				0x9380
 
 #define AW86927_TMCFG_REG			0x5b
 #define AW86927_TMCFG_UNLOCK			0x7d
@@ -173,14 +180,20 @@ enum aw86927_work_mode {
 	AW86927_RAM_MODE,
 };
 
+enum aw86927_model {
+	AW86927,
+	AW86938,
+};
+
 struct aw86927_data {
+	enum aw86927_model model;
 	struct work_struct play_work;
 	struct device *dev;
 	struct input_dev *input_dev;
 	struct i2c_client *client;
 	struct regmap *regmap;
 	struct gpio_desc *reset_gpio;
-	bool running;
+	u16 level;
 };
 
 static const struct regmap_config aw86927_regmap_config = {
@@ -325,11 +338,12 @@ static int aw86927_haptics_play(struct input_dev *dev, void *data, struct ff_eff
 	if (!level)
 		level = effect->u.rumble.weak_magnitude;
 
-	/* If already running, don't restart playback */
-	if (haptics->running && level)
+	/* If level does not change, don't restart playback */
+	if (haptics->level == level)
 		return 0;
 
-	haptics->running = level;
+	haptics->level = level;
+
 	schedule_work(&haptics->play_work);
 
 	return 0;
@@ -376,8 +390,7 @@ static int aw86927_play_sine(struct aw86927_data *haptics)
 	if (err)
 		return err;
 
-	/* set gain to value lower than 0x80 to avoid distorted playback */
-	err = regmap_write(haptics->regmap, AW86927_PLAYCFG2_REG, 0x7c);
+	err = regmap_write(haptics->regmap, AW86927_PLAYCFG2_REG, haptics->level * 0x80 / 0xffff);
 	if (err)
 		return err;
 
@@ -409,7 +422,7 @@ static void aw86927_haptics_play_work(struct work_struct *work)
 	struct device *dev = &haptics->client->dev;
 	int err;
 
-	if (haptics->running)
+	if (haptics->level)
 		err = aw86927_play_sine(haptics);
 	else
 		err = aw86927_stop(haptics);
@@ -565,13 +578,26 @@ static int aw86927_haptic_init(struct aw86927_data *haptics)
 	if (err)
 		return err;
 
-	err = regmap_update_bits(haptics->regmap,
-				 AW86927_PLAYCFG1_REG,
-				 AW86927_PLAYCFG1_BST_VOUT_VREFSET_MASK,
-				 FIELD_PREP(AW86927_PLAYCFG1_BST_VOUT_VREFSET_MASK,
-					    AW86927_PLAYCFG1_BST_8500MV));
-	if (err)
-		return err;
+	switch (haptics->model) {
+	case AW86927:
+		err = regmap_update_bits(haptics->regmap,
+					 AW86927_PLAYCFG1_REG,
+					 AW86927_PLAYCFG1_BST_VOUT_VREFSET_MASK,
+					 FIELD_PREP(AW86927_PLAYCFG1_BST_VOUT_VREFSET_MASK,
+						    AW86927_PLAYCFG1_BST_8500MV));
+		if (err)
+			return err;
+		break;
+	case AW86938:
+		err = regmap_update_bits(haptics->regmap,
+					 AW86938_PLAYCFG1_REG,
+					 AW86938_PLAYCFG1_BST_VOUT_VREFSET_MASK,
+					 FIELD_PREP(AW86938_PLAYCFG1_BST_VOUT_VREFSET_MASK,
+						    AW86938_PLAYCFG1_BST_7000MV));
+		if (err)
+			return err;
+		break;
+	}
 
 	err = regmap_update_bits(haptics->regmap,
 				 AW86927_PLAYCFG3_REG,
@@ -599,6 +625,9 @@ static int aw86927_ram_init(struct aw86927_data *haptics)
 				 FIELD_PREP(AW86927_SYSCTRL3_EN_RAMINIT_MASK,
 					    AW86927_SYSCTRL3_EN_RAMINIT_ON));
 
+	/* AW86938 wants a 1ms delay here */
+	usleep_range(1000, 1500);
+
 	/* Set base address for the start of the SRAM waveforms */
 	err = regmap_write(haptics->regmap,
 			   AW86927_BASEADDRH_REG, AW86927_BASEADDRH_VAL);
@@ -717,7 +746,14 @@ static int aw86927_detect(struct aw86927_data *haptics)
 
 	chip_id = be16_to_cpu(read_buf);
 
-	if (chip_id != AW86927_CHIPID) {
+	switch (chip_id) {
+	case AW86927_CHIPID:
+		haptics->model = AW86927;
+		break;
+	case AW86938_CHIPID:
+		haptics->model = AW86938;
+		break;
+	default:
 		dev_err(haptics->dev, "Unexpected CHIPID value 0x%x\n", chip_id);
 		return -ENODEV;
 	}
diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c
index 0cfe5d4a573c..353d3c1d347d 100644
--- a/drivers/input/misc/cm109.c
+++ b/drivers/input/misc/cm109.c
@@ -696,7 +696,7 @@ static int cm109_usb_probe(struct usb_interface *intf,
 	if (!usb_endpoint_is_int_in(endpoint))
 		return -ENODEV;
 
-	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	dev = kzalloc_obj(*dev);
 	if (!dev)
 		return -ENOMEM;
 
@@ -721,7 +721,7 @@ static int cm109_usb_probe(struct usb_interface *intf,
 	if (!dev->ctl_data)
 		goto err_out;
 
-	dev->ctl_req = kmalloc(sizeof(*(dev->ctl_req)), GFP_KERNEL);
+	dev->ctl_req = kmalloc_obj(*(dev->ctl_req));
 	if (!dev->ctl_req)
 		goto err_out;
 
diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c
index b4232b0a3957..a641453188d9 100644
--- a/drivers/input/misc/cma3000_d0x.c
+++ b/drivers/input/misc/cma3000_d0x.c
@@ -285,7 +285,7 @@ struct cma3000_accl_data *cma3000_init(struct device *dev, int irq,
 		goto err_out;
 	}
 
-	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	data = kzalloc_obj(*data);
 	input_dev = input_allocate_device();
 	if (!data || !input_dev) {
 		error = -ENOMEM;
diff --git a/drivers/input/misc/cs40l50-vibra.c b/drivers/input/misc/cs40l50-vibra.c
index 90410025bbae..996d6c38cca4 100644
--- a/drivers/input/misc/cs40l50-vibra.c
+++ b/drivers/input/misc/cs40l50-vibra.c
@@ -276,7 +276,7 @@ static void cs40l50_add_worker(struct work_struct *work)
 	/* Update effect if already uploaded, otherwise create new effect */
 	effect = cs40l50_find_effect(work_data->effect->id, &vib->effect_head);
 	if (!effect) {
-		effect = kzalloc(sizeof(*effect), GFP_KERNEL);
+		effect = kzalloc_obj(*effect);
 		if (!effect) {
 			error = -ENOMEM;
 			goto err_pm;
@@ -392,7 +392,7 @@ static int cs40l50_playback(struct input_dev *dev, int effect_id, int val)
 	struct cs40l50_vibra *vib = input_get_drvdata(dev);
 	struct cs40l50_work *work_data;
 
-	work_data = kzalloc(sizeof(*work_data), GFP_ATOMIC);
+	work_data = kzalloc_obj(*work_data, GFP_ATOMIC);
 	if (!work_data)
 		return -ENOMEM;
 
diff --git a/drivers/input/misc/da9052_onkey.c b/drivers/input/misc/da9052_onkey.c
index cc23625019e3..180b3bc76525 100644
--- a/drivers/input/misc/da9052_onkey.c
+++ b/drivers/input/misc/da9052_onkey.c
@@ -80,7 +80,7 @@ static int da9052_onkey_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	onkey = kzalloc(sizeof(*onkey), GFP_KERNEL);
+	onkey = kzalloc_obj(*onkey);
 	input_dev = input_allocate_device();
 	if (!onkey || !input_dev) {
 		dev_err(&pdev->dev, "Failed to allocate memory\n");
diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c
index 96cd6a078c8a..e2089d6ac850 100644
--- a/drivers/input/misc/drv260x.c
+++ b/drivers/input/misc/drv260x.c
@@ -7,14 +7,16 @@
  * Copyright:   (C) 2014 Texas Instruments, Inc.
  */
 
+#include <linux/acpi.h>
+#include <linux/delay.h>
+#include <linux/device/devres.h>
+#include <linux/gpio/consumer.h>
 #include <linux/i2c.h>
 #include <linux/input.h>
 #include <linux/module.h>
 #include <linux/regmap.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/gpio/consumer.h>
 #include <linux/regulator/consumer.h>
+#include <linux/slab.h>
 
 #include <dt-bindings/input/ti-drv260x.h>
 
@@ -165,6 +167,12 @@
 #define DRV260X_AUTOCAL_TIME_500MS		(2 << 4)
 #define DRV260X_AUTOCAL_TIME_1000MS		(3 << 4)
 
+/*
+ * Timeout for waiting for the GO status bit, in seconds. Should be reasonably
+ * large to wait for a auto-calibration cycle completion.
+ */
+#define DRV260X_GO_TIMEOUT_S 5
+
 /**
  * struct drv260x_data -
  * @input_dev: Pointer to the input device
@@ -308,6 +316,7 @@ static int drv260x_init(struct drv260x_data *haptics)
 {
 	int error;
 	unsigned int cal_buf;
+	unsigned long timeout;
 
 	error = regmap_write(haptics->regmap,
 			     DRV260X_RATED_VOLT, haptics->rated_voltage);
@@ -397,6 +406,7 @@ static int drv260x_init(struct drv260x_data *haptics)
 		return error;
 	}
 
+	timeout = jiffies + DRV260X_GO_TIMEOUT_S * HZ;
 	do {
 		usleep_range(15000, 15500);
 		error = regmap_read(haptics->regmap, DRV260X_GO, &cal_buf);
@@ -406,6 +416,11 @@ static int drv260x_init(struct drv260x_data *haptics)
 				error);
 			return error;
 		}
+		if (time_after(jiffies, timeout)) {
+			dev_err(&haptics->client->dev,
+				"Calibration timeout. The device cannot be used.\n");
+			return -ETIMEDOUT;
+		}
 	} while (cal_buf == DRV260X_GO_BIT);
 
 	return 0;
@@ -419,6 +434,13 @@ static const struct regmap_config drv260x_regmap_config = {
 	.cache_type = REGCACHE_NONE,
 };
 
+static void drv260x_power_off(void *data)
+{
+	struct drv260x_data *haptics = data;
+
+	regulator_disable(haptics->regulator);
+}
+
 static int drv260x_probe(struct i2c_client *client)
 {
 	struct device *dev = &client->dev;
@@ -484,6 +506,16 @@ static int drv260x_probe(struct i2c_client *client)
 		return error;
 	}
 
+	error = regulator_enable(haptics->regulator);
+	if (error) {
+		dev_err(dev, "Failed to enable regulator: %d\n", error);
+		return error;
+	}
+
+	error = devm_add_action_or_reset(dev, drv260x_power_off, haptics);
+	if (error)
+		return error;
+
 	haptics->enable_gpio = devm_gpiod_get_optional(dev, "enable",
 						       GPIOD_OUT_HIGH);
 	if (IS_ERR(haptics->enable_gpio))
@@ -598,11 +630,22 @@ static int drv260x_resume(struct device *dev)
 static DEFINE_SIMPLE_DEV_PM_OPS(drv260x_pm_ops, drv260x_suspend, drv260x_resume);
 
 static const struct i2c_device_id drv260x_id[] = {
+	{ "drv2604" },
+	{ "drv2604l" },
+	{ "drv2605" },
 	{ "drv2605l" },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, drv260x_id);
 
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id drv260x_acpi_match[] = {
+	{ "DRV2604" },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, drv260x_acpi_match);
+#endif
+
 static const struct of_device_id drv260x_of_match[] = {
 	{ .compatible = "ti,drv2604", },
 	{ .compatible = "ti,drv2604l", },
@@ -616,6 +659,7 @@ static struct i2c_driver drv260x_driver = {
 	.probe		= drv260x_probe,
 	.driver		= {
 		.name	= "drv260x-haptics",
+		.acpi_match_table = ACPI_PTR(drv260x_acpi_match),
 		.of_match_table = drv260x_of_match,
 		.pm	= pm_sleep_ptr(&drv260x_pm_ops),
 	},
diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c
index 4581f1c53644..4c022a36dbe8 100644
--- a/drivers/input/misc/ims-pcu.c
+++ b/drivers/input/misc/ims-pcu.c
@@ -286,7 +286,7 @@ static int ims_pcu_setup_gamepad(struct ims_pcu *pcu)
 	struct input_dev *input;
 	int error;
 
-	gamepad = kzalloc(sizeof(*gamepad), GFP_KERNEL);
+	gamepad = kzalloc_obj(*gamepad);
 	input = input_allocate_device();
 	if (!gamepad || !input) {
 		dev_err(pcu->dev,
@@ -438,6 +438,14 @@ static void ims_pcu_handle_response(struct ims_pcu *pcu)
 	}
 }
 
+static void ims_pcu_reset_packet(struct ims_pcu *pcu)
+{
+	pcu->have_stx = true;
+	pcu->have_dle = false;
+	pcu->read_pos = 0;
+	pcu->check_sum = 0;
+}
+
 static void ims_pcu_process_data(struct ims_pcu *pcu, struct urb *urb)
 {
 	int i;
@@ -450,6 +458,14 @@ static void ims_pcu_process_data(struct ims_pcu *pcu, struct urb *urb)
 			continue;
 
 		if (pcu->have_dle) {
+			if (pcu->read_pos >= IMS_PCU_BUF_SIZE) {
+				dev_warn(pcu->dev,
+					 "Packet too long (%d bytes), discarding\n",
+					 pcu->read_pos);
+				ims_pcu_reset_packet(pcu);
+				continue;
+			}
+
 			pcu->have_dle = false;
 			pcu->read_buf[pcu->read_pos++] = data;
 			pcu->check_sum += data;
@@ -462,10 +478,8 @@ static void ims_pcu_process_data(struct ims_pcu *pcu, struct urb *urb)
 				dev_warn(pcu->dev,
 					 "Unexpected STX at byte %d, discarding old data\n",
 					 pcu->read_pos);
+			ims_pcu_reset_packet(pcu);
 			pcu->have_stx = true;
-			pcu->have_dle = false;
-			pcu->read_pos = 0;
-			pcu->check_sum = 0;
 			break;
 
 		case IMS_PCU_PROTOCOL_DLE:
@@ -485,12 +499,18 @@ static void ims_pcu_process_data(struct ims_pcu *pcu, struct urb *urb)
 				ims_pcu_handle_response(pcu);
 			}
 
-			pcu->have_stx = false;
-			pcu->have_dle = false;
-			pcu->read_pos = 0;
+			ims_pcu_reset_packet(pcu);
 			break;
 
 		default:
+			if (pcu->read_pos >= IMS_PCU_BUF_SIZE) {
+				dev_warn(pcu->dev,
+					 "Packet too long (%d bytes), discarding\n",
+					 pcu->read_pos);
+				ims_pcu_reset_packet(pcu);
+				continue;
+			}
+
 			pcu->read_buf[pcu->read_pos++] = data;
 			pcu->check_sum += data;
 			break;
@@ -1991,7 +2011,7 @@ static int ims_pcu_probe(struct usb_interface *intf,
 	struct ims_pcu *pcu;
 	int error;
 
-	pcu = kzalloc(sizeof(*pcu), GFP_KERNEL);
+	pcu = kzalloc_obj(*pcu);
 	if (!pcu)
 		return -ENOMEM;
 
diff --git a/drivers/input/misc/keyspan_remote.c b/drivers/input/misc/keyspan_remote.c
index bee4b1376491..70cd6586459e 100644
--- a/drivers/input/misc/keyspan_remote.c
+++ b/drivers/input/misc/keyspan_remote.c
@@ -420,24 +420,6 @@ static void keyspan_close(struct input_dev *dev)
 	usb_kill_urb(remote->irq_urb);
 }
 
-static struct usb_endpoint_descriptor *keyspan_get_in_endpoint(struct usb_host_interface *iface)
-{
-
-	struct usb_endpoint_descriptor *endpoint;
-	int i;
-
-	for (i = 0; i < iface->desc.bNumEndpoints; ++i) {
-		endpoint = &iface->endpoint[i].desc;
-
-		if (usb_endpoint_is_int_in(endpoint)) {
-			/* we found our interrupt in endpoint */
-			return endpoint;
-		}
-	}
-
-	return NULL;
-}
-
 /*
  * Routine that sets up the driver to handle a specific USB device detected on the bus.
  */
@@ -449,11 +431,11 @@ static int keyspan_probe(struct usb_interface *interface, const struct usb_devic
 	struct input_dev *input_dev;
 	int i, error;
 
-	endpoint = keyspan_get_in_endpoint(interface->cur_altsetting);
-	if (!endpoint)
+	error = usb_find_int_in_endpoint(interface->cur_altsetting, &endpoint);
+	if (error)
 		return -ENODEV;
 
-	remote = kzalloc(sizeof(*remote), GFP_KERNEL);
+	remote = kzalloc_obj(*remote);
 	input_dev = input_allocate_device();
 	if (!remote || !input_dev) {
 		error = -ENOMEM;
diff --git a/drivers/input/misc/max8997_haptic.c b/drivers/input/misc/max8997_haptic.c
index d5e051a25a74..975c3ba023f5 100644
--- a/drivers/input/misc/max8997_haptic.c
+++ b/drivers/input/misc/max8997_haptic.c
@@ -247,7 +247,7 @@ static int max8997_haptic_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+	chip = kzalloc_obj(*chip);
 	input_dev = input_allocate_device();
 	if (!chip || !input_dev) {
 		dev_err(&pdev->dev, "unable to allocate memory\n");
diff --git a/drivers/input/misc/mc13783-pwrbutton.c b/drivers/input/misc/mc13783-pwrbutton.c
index b83d762ae2e9..cb781ce967ca 100644
--- a/drivers/input/misc/mc13783-pwrbutton.c
+++ b/drivers/input/misc/mc13783-pwrbutton.c
@@ -108,7 +108,7 @@ static int mc13783_pwrbutton_probe(struct platform_device *pdev)
 		return -ENOMEM;
 	}
 
-	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+	priv = kzalloc_obj(*priv);
 	if (!priv) {
 		err = -ENOMEM;
 		dev_dbg(&pdev->dev, "Can't allocate power button\n");
diff --git a/drivers/input/misc/palmas-pwrbutton.c b/drivers/input/misc/palmas-pwrbutton.c
index d9c5aae143dc..f22083f44d91 100644
--- a/drivers/input/misc/palmas-pwrbutton.c
+++ b/drivers/input/misc/palmas-pwrbutton.c
@@ -164,7 +164,7 @@ static int palmas_pwron_probe(struct platform_device *pdev)
 
 	palmas_pwron_params_ofinit(dev, &config);
 
-	pwron = kzalloc(sizeof(*pwron), GFP_KERNEL);
+	pwron = kzalloc_obj(*pwron);
 	if (!pwron)
 		return -ENOMEM;
 
diff --git a/drivers/input/misc/pcap_keys.c b/drivers/input/misc/pcap_keys.c
index fe43fd72ba7b..b19899b50d0b 100644
--- a/drivers/input/misc/pcap_keys.c
+++ b/drivers/input/misc/pcap_keys.c
@@ -49,7 +49,7 @@ static int pcap_keys_probe(struct platform_device *pdev)
 	struct pcap_keys *pcap_keys;
 	struct input_dev *input_dev;
 
-	pcap_keys = kmalloc(sizeof(*pcap_keys), GFP_KERNEL);
+	pcap_keys = kmalloc_obj(*pcap_keys);
 	if (!pcap_keys)
 		return err;
 
diff --git a/drivers/input/misc/pcf8574_keypad.c b/drivers/input/misc/pcf8574_keypad.c
index 3632cb206e34..14fc6c6cf699 100644
--- a/drivers/input/misc/pcf8574_keypad.c
+++ b/drivers/input/misc/pcf8574_keypad.c
@@ -91,7 +91,7 @@ static int pcf8574_kp_probe(struct i2c_client *client)
 		return -ENODEV;
 	}
 
-	lp = kzalloc(sizeof(*lp), GFP_KERNEL);
+	lp = kzalloc_obj(*lp);
 	if (!lp)
 		return -ENOMEM;
 
diff --git a/drivers/input/misc/powermate.c b/drivers/input/misc/powermate.c
index ecb92ee5ebbc..754379d2625c 100644
--- a/drivers/input/misc/powermate.c
+++ b/drivers/input/misc/powermate.c
@@ -275,7 +275,7 @@ static int powermate_alloc_buffers(struct usb_device *udev, struct powermate_dev
 	if (!pm->data)
 		return -1;
 
-	pm->configcr = kmalloc(sizeof(*(pm->configcr)), GFP_KERNEL);
+	pm->configcr = kmalloc_obj(*(pm->configcr));
 	if (!pm->configcr)
 		return -ENOMEM;
 
@@ -313,7 +313,7 @@ static int powermate_probe(struct usb_interface *intf, const struct usb_device_i
 		0, interface->desc.bInterfaceNumber, NULL, 0,
 		USB_CTRL_SET_TIMEOUT);
 
-	pm = kzalloc(sizeof(*pm), GFP_KERNEL);
+	pm = kzalloc_obj(*pm);
 	input_dev = input_allocate_device();
 	if (!pm || !input_dev)
 		goto fail1;
diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
index 0e9544a98e67..d32fa4b508fc 100644
--- a/drivers/input/misc/uinput.c
+++ b/drivers/input/misc/uinput.c
@@ -399,7 +399,7 @@ static int uinput_open(struct inode *inode, struct file *file)
 {
 	struct uinput_device *newdev;
 
-	newdev = kzalloc(sizeof(*newdev), GFP_KERNEL);
+	newdev = kzalloc_obj(*newdev);
 	if (!newdev)
 		return -ENOMEM;
 
diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c
index 67f1c7364c95..6471d836f6fe 100644
--- a/drivers/input/misc/xen-kbdfront.c
+++ b/drivers/input/misc/xen-kbdfront.c
@@ -205,7 +205,7 @@ static int xenkbd_probe(struct xenbus_device *dev,
 	struct xenkbd_info *info;
 	struct input_dev *kbd, *ptr, *mtouch;
 
-	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	info = kzalloc_obj(*info);
 	if (!info) {
 		xenbus_dev_fatal(dev, -ENOMEM, "allocating info structure");
 		return -ENOMEM;
diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c
index 08dc53ae1b3c..8786ed8b3565 100644
--- a/drivers/input/misc/yealink.c
+++ b/drivers/input/misc/yealink.c
@@ -831,7 +831,7 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	if (!usb_endpoint_is_int_in(endpoint))
 		return -ENODEV;
 
-	yld = kzalloc(sizeof(*yld), GFP_KERNEL);
+	yld = kzalloc_obj(*yld);
 	if (!yld)
 		return -ENOMEM;
 
@@ -854,7 +854,7 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	if (!yld->ctl_data)
 		return usb_cleanup(yld, -ENOMEM);
 
-	yld->ctl_req = kmalloc(sizeof(*(yld->ctl_req)), GFP_KERNEL);
+	yld->ctl_req = kmalloc_obj(*(yld->ctl_req));
 	if (yld->ctl_req == NULL)
 		return usb_cleanup(yld, -ENOMEM);