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Date:	Wed,  9 Nov 2011 16:35:29 +0800
From:	JJ Ding <jj_ding@....com.tw>
To:	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	JJ Ding <jj_ding@....com.tw>, JJ Ding <dgdunix@...il.com>
Subject: [PATCH v3] Input: convert obsolete strict_strtox to kstrtox

From: JJ Ding <dgdunix@...il.com>

With commit 67d0a0754455f89ef3946946159d8ec9e45ce33a we mark strict_strtox
as obsolete. Convert all remaining such uses in drivers/input/.

Also change long to appropriate types, and return error conditions
from kstrtox separately, as Dmitry sugguests.

Signed-off-by: JJ Ding <dgdunix@...il.com>
---
Hi lists,

This patch is against v3.2-rc1, compile tested.
I can only test psmouse with elantech touchpad, others who are more familiar
with the affected drivers might want to take a look.

Thanks,
jj

 drivers/input/input-polldev.c       |    8 ++++--
 drivers/input/keyboard/atkbd.c      |   40 ++++++++++++++++++++++++--------
 drivers/input/keyboard/lm8323.c     |   11 ++++-----
 drivers/input/misc/adxl34x.c        |   16 ++++++------
 drivers/input/misc/ati_remote2.c    |   19 +++++++++------
 drivers/input/mouse/elantech.c      |    7 +----
 drivers/input/mouse/hgpk.c          |   18 +++++++++-----
 drivers/input/mouse/logips2pp.c     |    9 +++++-
 drivers/input/mouse/psmouse-base.c  |   27 ++++++++++++---------
 drivers/input/mouse/sentelic.c      |   43 ++++++++++++++++++++++++++---------
 drivers/input/mouse/trackpoint.c    |   17 +++++++++----
 drivers/input/tablet/aiptek.c       |   34 +++++++++++++++------------
 drivers/input/touchscreen/ad7877.c  |   16 ++++++------
 drivers/input/touchscreen/ad7879.c  |    4 +-
 drivers/input/touchscreen/ads7846.c |    8 ++++--
 15 files changed, 173 insertions(+), 104 deletions(-)

diff --git a/drivers/input/input-polldev.c b/drivers/input/input-polldev.c
index 7dfe100..7f161d9 100644
--- a/drivers/input/input-polldev.c
+++ b/drivers/input/input-polldev.c
@@ -84,10 +84,12 @@ static ssize_t input_polldev_set_poll(struct device *dev,
 {
 	struct input_polled_dev *polldev = dev_get_drvdata(dev);
 	struct input_dev *input = polldev->input;
-	unsigned long interval;
+	unsigned int interval;
+	int err;
 
-	if (strict_strtoul(buf, 0, &interval))
-		return -EINVAL;
+	err = kstrtouint(buf, 0, &interval);
+	if (err)
+		return err;
 
 	if (interval < polldev->poll_interval_min)
 		return -EINVAL;
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 19cfc0c..e05a2e7 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -1305,7 +1305,7 @@ static ssize_t atkbd_show_extra(struct atkbd *atkbd, char *buf)
 static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t count)
 {
 	struct input_dev *old_dev, *new_dev;
-	unsigned long value;
+	unsigned int value;
 	int err;
 	bool old_extra;
 	unsigned char old_set;
@@ -1313,7 +1313,11 @@ static ssize_t atkbd_set_extra(struct atkbd *atkbd, const char *buf, size_t coun
 	if (!atkbd->write)
 		return -EIO;
 
-	if (strict_strtoul(buf, 10, &value) || value > 1)
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
+
+	if (value > 1)
 		return -EINVAL;
 
 	if (atkbd->extra != value) {
@@ -1389,11 +1393,15 @@ static ssize_t atkbd_show_scroll(struct atkbd *atkbd, char *buf)
 static ssize_t atkbd_set_scroll(struct atkbd *atkbd, const char *buf, size_t count)
 {
 	struct input_dev *old_dev, *new_dev;
-	unsigned long value;
+	unsigned int value;
 	int err;
 	bool old_scroll;
 
-	if (strict_strtoul(buf, 10, &value) || value > 1)
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
+
+	if (value > 1)
 		return -EINVAL;
 
 	if (atkbd->scroll != value) {
@@ -1433,7 +1441,7 @@ static ssize_t atkbd_show_set(struct atkbd *atkbd, char *buf)
 static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
 {
 	struct input_dev *old_dev, *new_dev;
-	unsigned long value;
+	unsigned int value;
 	int err;
 	unsigned char old_set;
 	bool old_extra;
@@ -1441,7 +1449,11 @@ static ssize_t atkbd_set_set(struct atkbd *atkbd, const char *buf, size_t count)
 	if (!atkbd->write)
 		return -EIO;
 
-	if (strict_strtoul(buf, 10, &value) || (value != 2 && value != 3))
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
+
+	if (value != 2 && value != 3)
 		return -EINVAL;
 
 	if (atkbd->set != value) {
@@ -1484,14 +1496,18 @@ static ssize_t atkbd_show_softrepeat(struct atkbd *atkbd, char *buf)
 static ssize_t atkbd_set_softrepeat(struct atkbd *atkbd, const char *buf, size_t count)
 {
 	struct input_dev *old_dev, *new_dev;
-	unsigned long value;
+	unsigned int value;
 	int err;
 	bool old_softrepeat, old_softraw;
 
 	if (!atkbd->write)
 		return -EIO;
 
-	if (strict_strtoul(buf, 10, &value) || value > 1)
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
+
+	if (value > 1)
 		return -EINVAL;
 
 	if (atkbd->softrepeat != value) {
@@ -1534,11 +1550,15 @@ static ssize_t atkbd_show_softraw(struct atkbd *atkbd, char *buf)
 static ssize_t atkbd_set_softraw(struct atkbd *atkbd, const char *buf, size_t count)
 {
 	struct input_dev *old_dev, *new_dev;
-	unsigned long value;
+	unsigned int value;
 	int err;
 	bool old_softraw;
 
-	if (strict_strtoul(buf, 10, &value) || value > 1)
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
+
+	if (value > 1)
 		return -EINVAL;
 
 	if (atkbd->softraw != value) {
diff --git a/drivers/input/keyboard/lm8323.c b/drivers/input/keyboard/lm8323.c
index 82d1dc8..21823bf 100644
--- a/drivers/input/keyboard/lm8323.c
+++ b/drivers/input/keyboard/lm8323.c
@@ -545,13 +545,12 @@ static ssize_t lm8323_pwm_store_time(struct device *dev,
 {
 	struct led_classdev *led_cdev = dev_get_drvdata(dev);
 	struct lm8323_pwm *pwm = cdev_to_pwm(led_cdev);
-	int ret;
-	unsigned long time;
+	int ret, time;
 
-	ret = strict_strtoul(buf, 10, &time);
+	ret = kstrtoint(buf, 10, &time);
 	/* Numbers only, please. */
 	if (ret)
-		return -EINVAL;
+		return ret;
 
 	pwm->fade_time = time;
 
@@ -613,9 +612,9 @@ static ssize_t lm8323_set_disable(struct device *dev,
 {
 	struct lm8323_chip *lm = dev_get_drvdata(dev);
 	int ret;
-	unsigned long i;
+	unsigned int i;
 
-	ret = strict_strtoul(buf, 10, &i);
+	ret = kstrtouint(buf, 10, &i);
 
 	mutex_lock(&lm->lock);
 	lm->kp_enabled = !i;
diff --git a/drivers/input/misc/adxl34x.c b/drivers/input/misc/adxl34x.c
index 0924480..1cf72fe 100644
--- a/drivers/input/misc/adxl34x.c
+++ b/drivers/input/misc/adxl34x.c
@@ -452,10 +452,10 @@ static ssize_t adxl34x_disable_store(struct device *dev,
 				     const char *buf, size_t count)
 {
 	struct adxl34x *ac = dev_get_drvdata(dev);
-	unsigned long val;
+	unsigned int val;
 	int error;
 
-	error = strict_strtoul(buf, 10, &val);
+	error = kstrtouint(buf, 10, &val);
 	if (error)
 		return error;
 
@@ -541,10 +541,10 @@ static ssize_t adxl34x_rate_store(struct device *dev,
 				  const char *buf, size_t count)
 {
 	struct adxl34x *ac = dev_get_drvdata(dev);
-	unsigned long val;
+	unsigned char val;
 	int error;
 
-	error = strict_strtoul(buf, 10, &val);
+	error = kstrtou8(buf, 10, &val);
 	if (error)
 		return error;
 
@@ -576,10 +576,10 @@ static ssize_t adxl34x_autosleep_store(struct device *dev,
 				  const char *buf, size_t count)
 {
 	struct adxl34x *ac = dev_get_drvdata(dev);
-	unsigned long val;
+	unsigned int val;
 	int error;
 
-	error = strict_strtoul(buf, 10, &val);
+	error = kstrtouint(buf, 10, &val);
 	if (error)
 		return error;
 
@@ -623,13 +623,13 @@ static ssize_t adxl34x_write_store(struct device *dev,
 				   const char *buf, size_t count)
 {
 	struct adxl34x *ac = dev_get_drvdata(dev);
-	unsigned long val;
+	unsigned int val;
 	int error;
 
 	/*
 	 * This allows basic ADXL register write access for debug purposes.
 	 */
-	error = strict_strtoul(buf, 16, &val);
+	error = kstrtouint(buf, 16, &val);
 	if (error)
 		return error;
 
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index 8d345e8..a34896e 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -42,13 +42,13 @@ static int ati_remote2_set_mask(const char *val,
 				const struct kernel_param *kp,
 				unsigned int max)
 {
-	unsigned long mask;
+	unsigned int mask;
 	int ret;
 
 	if (!val)
 		return -EINVAL;
 
-	ret = strict_strtoul(val, 0, &mask);
+	ret = kstrtouint(val, 0, &mask);
 	if (ret)
 		return ret;
 
@@ -720,11 +720,12 @@ static ssize_t ati_remote2_store_channel_mask(struct device *dev,
 	struct usb_device *udev = to_usb_device(dev);
 	struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
 	struct ati_remote2 *ar2 = usb_get_intfdata(intf);
-	unsigned long mask;
+	unsigned int mask;
 	int r;
 
-	if (strict_strtoul(buf, 0, &mask))
-		return -EINVAL;
+	r = kstrtouint(buf, 0, &mask);
+	if (r)
+		return r;
 
 	if (mask & ~ATI_REMOTE2_MAX_CHANNEL_MASK)
 		return -EINVAL;
@@ -769,10 +770,12 @@ static ssize_t ati_remote2_store_mode_mask(struct device *dev,
 	struct usb_device *udev = to_usb_device(dev);
 	struct usb_interface *intf = usb_ifnum_to_if(udev, 0);
 	struct ati_remote2 *ar2 = usb_get_intfdata(intf);
-	unsigned long mask;
+	unsigned int mask;
+	int err;
 
-	if (strict_strtoul(buf, 0, &mask))
-		return -EINVAL;
+	err = kstrtouint(buf, 0, &mask);
+	if (err)
+		return err;
 
 	if (mask & ~ATI_REMOTE2_MAX_MODE_MASK)
 		return -EINVAL;
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 09b93b1..b562392 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1031,16 +1031,13 @@ static ssize_t elantech_set_int_attr(struct psmouse *psmouse,
 	struct elantech_data *etd = psmouse->private;
 	struct elantech_attr_data *attr = data;
 	unsigned char *reg = (unsigned char *) etd + attr->field_offset;
-	unsigned long value;
+	unsigned char value;
 	int err;
 
-	err = strict_strtoul(buf, 16, &value);
+	err = kstrtou8(buf, 16, &value);
 	if (err)
 		return err;
 
-	if (value > 0xff)
-		return -EINVAL;
-
 	/* Do we need to preserve some bits for version 2 hardware too? */
 	if (etd->hw_version == 1) {
 		if (attr->reg == 0x10)
diff --git a/drivers/input/mouse/hgpk.c b/drivers/input/mouse/hgpk.c
index 0470dd4..1c5d521 100644
--- a/drivers/input/mouse/hgpk.c
+++ b/drivers/input/mouse/hgpk.c
@@ -789,11 +789,14 @@ static ssize_t hgpk_set_powered(struct psmouse *psmouse, void *data,
 				const char *buf, size_t count)
 {
 	struct hgpk_data *priv = psmouse->private;
-	unsigned long value;
+	unsigned int value;
 	int err;
 
-	err = strict_strtoul(buf, 10, &value);
-	if (err || value > 1)
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
+
+	if (value > 1)
 		return -EINVAL;
 
 	if (value != priv->powered) {
@@ -881,11 +884,14 @@ static ssize_t hgpk_trigger_recal(struct psmouse *psmouse, void *data,
 				const char *buf, size_t count)
 {
 	struct hgpk_data *priv = psmouse->private;
-	unsigned long value;
+	unsigned int value;
 	int err;
 
-	err = strict_strtoul(buf, 10, &value);
-	if (err || value != 1)
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
+
+	if (value != 1)
 		return -EINVAL;
 
 	/*
diff --git a/drivers/input/mouse/logips2pp.c b/drivers/input/mouse/logips2pp.c
index faac2c3..84de2fc 100644
--- a/drivers/input/mouse/logips2pp.c
+++ b/drivers/input/mouse/logips2pp.c
@@ -155,9 +155,14 @@ static ssize_t ps2pp_attr_show_smartscroll(struct psmouse *psmouse,
 static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data,
 					  const char *buf, size_t count)
 {
-	unsigned long value;
+	unsigned int value;
+	int err;
 
-	if (strict_strtoul(buf, 10, &value) || value > 1)
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
+
+	if (value > 1)
 		return -EINVAL;
 
 	ps2pp_set_smartscroll(psmouse, value);
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 9f352fb..a6973e5 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1558,13 +1558,12 @@ static ssize_t psmouse_show_int_attr(struct psmouse *psmouse, void *offset, char
 static ssize_t psmouse_set_int_attr(struct psmouse *psmouse, void *offset, const char *buf, size_t count)
 {
 	unsigned int *field = (unsigned int *)((char *)psmouse + (size_t)offset);
-	unsigned long value;
-
-	if (strict_strtoul(buf, 10, &value))
-		return -EINVAL;
+	unsigned int value;
+	int err;
 
-	if ((unsigned int)value != value)
-		return -EINVAL;
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
 
 	*field = value;
 
@@ -1671,10 +1670,12 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co
 
 static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, void *data, const char *buf, size_t count)
 {
-	unsigned long value;
+	unsigned int value;
+	int err;
 
-	if (strict_strtoul(buf, 10, &value))
-		return -EINVAL;
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
 
 	psmouse->set_rate(psmouse, value);
 	return count;
@@ -1682,10 +1683,12 @@ static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, void *data, const
 
 static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, void *data, const char *buf, size_t count)
 {
-	unsigned long value;
+	unsigned int value;
+	int err;
 
-	if (strict_strtoul(buf, 10, &value))
-		return -EINVAL;
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
 
 	psmouse->set_resolution(psmouse, value);
 	return count;
diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c
index c5b12d2..5babc47 100644
--- a/drivers/input/mouse/sentelic.c
+++ b/drivers/input/mouse/sentelic.c
@@ -408,7 +408,7 @@ static int fsp_onpad_hscr(struct psmouse *psmouse, bool enable)
 static ssize_t fsp_attr_set_setreg(struct psmouse *psmouse, void *data,
 				   const char *buf, size_t count)
 {
-	unsigned long reg, val;
+	int reg, val;
 	char *rest;
 	ssize_t retval;
 
@@ -416,7 +416,11 @@ static ssize_t fsp_attr_set_setreg(struct psmouse *psmouse, void *data,
 	if (rest == buf || *rest != ' ' || reg > 0xff)
 		return -EINVAL;
 
-	if (strict_strtoul(rest + 1, 16, &val) || val > 0xff)
+	retval = kstrtoint(rest + 1, 16, &val);
+	if (retval)
+		return retval;
+
+	if (val > 0xff)
 		return -EINVAL;
 
 	if (fsp_reg_write_enable(psmouse, true))
@@ -448,10 +452,13 @@ static ssize_t fsp_attr_set_getreg(struct psmouse *psmouse, void *data,
 					const char *buf, size_t count)
 {
 	struct fsp_data *pad = psmouse->private;
-	unsigned long reg;
-	int val;
+	int reg, val, err;
+
+	err = kstrtoint(buf, 16, &reg);
+	if (err)
+		return err;
 
-	if (strict_strtoul(buf, 16, &reg) || reg > 0xff)
+	if (reg > 0xff)
 		return -EINVAL;
 
 	if (fsp_reg_read(psmouse, reg, &val))
@@ -480,9 +487,13 @@ static ssize_t fsp_attr_show_pagereg(struct psmouse *psmouse,
 static ssize_t fsp_attr_set_pagereg(struct psmouse *psmouse, void *data,
 					const char *buf, size_t count)
 {
-	unsigned long val;
+	int val, err;
 
-	if (strict_strtoul(buf, 16, &val) || val > 0xff)
+	err = kstrtoint(buf, 16, &val);
+	if (err)
+		return err;
+
+	if (val > 0xff)
 		return -EINVAL;
 
 	if (fsp_page_reg_write(psmouse, val))
@@ -505,9 +516,14 @@ static ssize_t fsp_attr_show_vscroll(struct psmouse *psmouse,
 static ssize_t fsp_attr_set_vscroll(struct psmouse *psmouse, void *data,
 					const char *buf, size_t count)
 {
-	unsigned long val;
+	unsigned int val;
+	int err;
+
+	err = kstrtouint(buf, 10, &val);
+	if (err)
+		return err;
 
-	if (strict_strtoul(buf, 10, &val) || val > 1)
+	if (val > 1)
 		return -EINVAL;
 
 	fsp_onpad_vscr(psmouse, val);
@@ -529,9 +545,14 @@ static ssize_t fsp_attr_show_hscroll(struct psmouse *psmouse,
 static ssize_t fsp_attr_set_hscroll(struct psmouse *psmouse, void *data,
 					const char *buf, size_t count)
 {
-	unsigned long val;
+	unsigned int val;
+	int err;
+
+	err = kstrtouint(buf, 10, &val);
+	if (err)
+		return err;
 
-	if (strict_strtoul(buf, 10, &val) || val > 1)
+	if (val > 1)
 		return -EINVAL;
 
 	fsp_onpad_hscr(psmouse, val);
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 54b2fa8..22b2180 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -89,10 +89,12 @@ static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
 	struct trackpoint_data *tp = psmouse->private;
 	struct trackpoint_attr_data *attr = data;
 	unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
-	unsigned long value;
+	unsigned char value;
+	int err;
 
-	if (strict_strtoul(buf, 10, &value) || value > 255)
-		return -EINVAL;
+	err = kstrtou8(buf, 10, &value);
+	if (err)
+		return err;
 
 	*field = value;
 	trackpoint_write(&psmouse->ps2dev, attr->command, value);
@@ -115,9 +117,14 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
 	struct trackpoint_data *tp = psmouse->private;
 	struct trackpoint_attr_data *attr = data;
 	unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
-	unsigned long value;
+	unsigned int value;
+	int err;
+
+	err = kstrtouint(buf, 10, &value);
+	if (err)
+		return err;
 
-	if (strict_strtoul(buf, 10, &value) || value > 1)
+	if (value > 1)
 		return -EINVAL;
 
 	if (attr->inverted)
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 6d89fd1..85bace2 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -1198,9 +1198,9 @@ static ssize_t
 store_tabletXtilt(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct aiptek *aiptek = dev_get_drvdata(dev);
-	long x;
+	int x;
 
-	if (strict_strtol(buf, 10, &x)) {
+	if (kstrtoint(buf, 10, &x)) {
 		size_t len = buf[count - 1] == '\n' ? count - 1 : count;
 
 		if (strncmp(buf, "disable", len))
@@ -1240,9 +1240,9 @@ static ssize_t
 store_tabletYtilt(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct aiptek *aiptek = dev_get_drvdata(dev);
-	long y;
+	int y;
 
-	if (strict_strtol(buf, 10, &y)) {
+	if (kstrtoint(buf, 10, &y)) {
 		size_t len = buf[count - 1] == '\n' ? count - 1 : count;
 
 		if (strncmp(buf, "disable", len))
@@ -1277,12 +1277,13 @@ static ssize_t
 store_tabletJitterDelay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct aiptek *aiptek = dev_get_drvdata(dev);
-	long j;
+	int err, j;
 
-	if (strict_strtol(buf, 10, &j))
-		return -EINVAL;
+	err = kstrtoint(buf, 10, &j);
+	if (err)
+		return err;
 
-	aiptek->newSetting.jitterDelay = (int)j;
+	aiptek->newSetting.jitterDelay = j;
 	return count;
 }
 
@@ -1306,12 +1307,13 @@ static ssize_t
 store_tabletProgrammableDelay(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct aiptek *aiptek = dev_get_drvdata(dev);
-	long d;
+	int err, d;
 
-	if (strict_strtol(buf, 10, &d))
-		return -EINVAL;
+	err = kstrtoint(buf, 10, &d);
+	if (err)
+		return err;
 
-	aiptek->newSetting.programmableDelay = (int)d;
+	aiptek->newSetting.programmableDelay = d;
 	return count;
 }
 
@@ -1557,11 +1559,13 @@ static ssize_t
 store_tabletWheel(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct aiptek *aiptek = dev_get_drvdata(dev);
-	long w;
+	int err, w;
 
-	if (strict_strtol(buf, 10, &w)) return -EINVAL;
+	err = kstrtoint(buf, 10, &w);
+	if (err)
+		return err;
 
-	aiptek->newSetting.wheel = (int)w;
+	aiptek->newSetting.wheel = w;
 	return count;
 }
 
diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c
index 400131d..2da9f18 100644
--- a/drivers/input/touchscreen/ad7877.c
+++ b/drivers/input/touchscreen/ad7877.c
@@ -488,10 +488,10 @@ static ssize_t ad7877_disable_store(struct device *dev,
 				     const char *buf, size_t count)
 {
 	struct ad7877 *ts = dev_get_drvdata(dev);
-	unsigned long val;
+	unsigned int val;
 	int error;
 
-	error = strict_strtoul(buf, 10, &val);
+	error = kstrtouint(buf, 10, &val);
 	if (error)
 		return error;
 
@@ -518,10 +518,10 @@ static ssize_t ad7877_dac_store(struct device *dev,
 				     const char *buf, size_t count)
 {
 	struct ad7877 *ts = dev_get_drvdata(dev);
-	unsigned long val;
+	unsigned int val;
 	int error;
 
-	error = strict_strtoul(buf, 10, &val);
+	error = kstrtouint(buf, 10, &val);
 	if (error)
 		return error;
 
@@ -548,10 +548,10 @@ static ssize_t ad7877_gpio3_store(struct device *dev,
 				     const char *buf, size_t count)
 {
 	struct ad7877 *ts = dev_get_drvdata(dev);
-	unsigned long val;
+	unsigned int val;
 	int error;
 
-	error = strict_strtoul(buf, 10, &val);
+	error = kstrtouint(buf, 10, &val);
 	if (error)
 		return error;
 
@@ -579,10 +579,10 @@ static ssize_t ad7877_gpio4_store(struct device *dev,
 				     const char *buf, size_t count)
 {
 	struct ad7877 *ts = dev_get_drvdata(dev);
-	unsigned long val;
+	unsigned int val;
 	int error;
 
-	error = strict_strtoul(buf, 10, &val);
+	error = kstrtouint(buf, 10, &val);
 	if (error)
 		return error;
 
diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen/ad7879.c
index 3b2e9ed..4bdc2d4 100644
--- a/drivers/input/touchscreen/ad7879.c
+++ b/drivers/input/touchscreen/ad7879.c
@@ -340,10 +340,10 @@ static ssize_t ad7879_disable_store(struct device *dev,
 				     const char *buf, size_t count)
 {
 	struct ad7879 *ts = dev_get_drvdata(dev);
-	unsigned long val;
+	unsigned int val;
 	int error;
 
-	error = strict_strtoul(buf, 10, &val);
+	error = kstrtouint(buf, 10, &val);
 	if (error)
 		return error;
 
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index de31ec6..4cedae6 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -602,10 +602,12 @@ static ssize_t ads7846_disable_store(struct device *dev,
 				     const char *buf, size_t count)
 {
 	struct ads7846 *ts = dev_get_drvdata(dev);
-	unsigned long i;
+	unsigned int i;
+	int err;
 
-	if (strict_strtoul(buf, 10, &i))
-		return -EINVAL;
+	err = kstrtouint(buf, 10, &i);
+	if (err)
+		return err;
 
 	if (i)
 		ads7846_disable(ts);
-- 
1.7.8.rc1

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