Commit be84cfc5 authored by Pavel Machek's avatar Pavel Machek Committed by Linus Torvalds
Browse files

hp_accel: adev is poor name of exported symbol 



As Andrew noted, adev is pretty poor name for symbol being exported.
Rename it to lis3.

Signed-off-by: default avatarPavel Machek <pavel@ucw.cz>
Cc: Eric Piel <eric.piel@tremplin-utc.net>
Cc: Vladimir Botka <vbotka@suse.cz>
Cc: <Quoc.Pham@hp.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 2b872903

drivers/hwmon/hp_accel.c

+24 −24
Original line number Diff line number Diff line
@@ -140,7 +140,7 @@ acpi_status lis3lv02d_acpi_write(acpi_handle handle, int reg, u8 val) 


static int lis3lv02d_dmi_matched(const struct dmi_system_id *dmi)

{

	adev.ac = *((struct axis_conversion *)dmi->driver_data);

	lis3_dev.ac = *((struct axis_conversion *)dmi->driver_data);

	printk(KERN_INFO DRIVER_NAME ": hardware type %s found.\n", dmi->ident);



	return 1;
@@ -214,7 +214,7 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = { 


static void hpled_set(struct delayed_led_classdev *led_cdev, enum led_brightness value)

{

	acpi_handle handle = adev.device->handle;

	acpi_handle handle = lis3_dev.device->handle;

	unsigned long long ret; /* Not used when writing */

	union acpi_object in_obj[1];

	struct acpi_object_list args = { 1, in_obj };
@@ -254,7 +254,7 @@ static void lis3lv02d_enum_resources(struct acpi_device *device) 
	acpi_status status;



	status = acpi_walk_resources(device->handle, METHOD_NAME__CRS,

					lis3lv02d_get_resource, &adev.irq);

					lis3lv02d_get_resource, &lis3_dev.irq);

	if (ACPI_FAILURE(status))

		printk(KERN_DEBUG DRIVER_NAME ": Error getting resources\n");

}
@@ -263,8 +263,8 @@ static s16 lis3lv02d_read_16(acpi_handle handle, int reg) 
{

	u8 lo, hi;



	adev.read(handle, reg - 1, &lo);

	adev.read(handle, reg, &hi);

	lis3_dev.read(handle, reg - 1, &lo);

	lis3_dev.read(handle, reg, &hi);

	/* In "12 bit right justified" mode, bit 6, bit 7, bit 8 = bit 5 */

	return (s16)((hi << 8) | lo);

}
@@ -272,7 +272,7 @@ static s16 lis3lv02d_read_16(acpi_handle handle, int reg) 
static s16 lis3lv02d_read_8(acpi_handle handle, int reg)

{

	s8 lo;

	adev.read(handle, reg, &lo);

	lis3_dev.read(handle, reg, &lo);

	return lo;

}
@@ -283,29 +283,29 @@ static int lis3lv02d_add(struct acpi_device *device) 
	if (!device)

		return -EINVAL;



	adev.device = device;

	adev.init = lis3lv02d_acpi_init;

	adev.read = lis3lv02d_acpi_read;

	adev.write = lis3lv02d_acpi_write;

	lis3_dev.device = device;

	lis3_dev.init = lis3lv02d_acpi_init;

	lis3_dev.read = lis3lv02d_acpi_read;

	lis3_dev.write = lis3lv02d_acpi_write;

	strcpy(acpi_device_name(device), DRIVER_NAME);

	strcpy(acpi_device_class(device), ACPI_MDPS_CLASS);

	device->driver_data = &adev;

	device->driver_data = &lis3_dev;



	lis3lv02d_acpi_read(device->handle, WHO_AM_I, &adev.whoami);

	switch (adev.whoami) {

	lis3lv02d_acpi_read(device->handle, WHO_AM_I, &lis3_dev.whoami);

	switch (lis3_dev.whoami) {

	case LIS_DOUBLE_ID:

		printk(KERN_INFO DRIVER_NAME ": 2-byte sensor found\n");

		adev.read_data = lis3lv02d_read_16;

		adev.mdps_max_val = 2048;

		lis3_dev.read_data = lis3lv02d_read_16;

		lis3_dev.mdps_max_val = 2048;

		break;

	case LIS_SINGLE_ID:

		printk(KERN_INFO DRIVER_NAME ": 1-byte sensor found\n");

		adev.read_data = lis3lv02d_read_8;

		adev.mdps_max_val = 128;

		lis3_dev.read_data = lis3lv02d_read_8;

		lis3_dev.mdps_max_val = 128;

		break;

	default:

		printk(KERN_ERR DRIVER_NAME

			": unknown sensor type 0x%X\n", adev.whoami);

			": unknown sensor type 0x%X\n", lis3_dev.whoami);

		return -EINVAL;

	}
@@ -313,7 +313,7 @@ static int lis3lv02d_add(struct acpi_device *device) 
	if (dmi_check_system(lis3lv02d_dmi_ids) == 0) {

		printk(KERN_INFO DRIVER_NAME ": laptop model unknown, "

				 "using default axes configuration\n");

		adev.ac = lis3lv02d_axis_normal;

		lis3_dev.ac = lis3lv02d_axis_normal;

	}



	INIT_WORK(&hpled_led.work, delayed_set_status_worker);
@@ -322,9 +322,9 @@ static int lis3lv02d_add(struct acpi_device *device) 
		return ret;



	/* obtain IRQ number of our device from ACPI */

	lis3lv02d_enum_resources(adev.device);

	lis3lv02d_enum_resources(lis3_dev.device);



	ret = lis3lv02d_init_device(&adev);

	ret = lis3lv02d_init_device(&lis3_dev);

	if (ret) {

		flush_work(&hpled_led.work);

		led_classdev_unregister(&hpled_led.led_classdev);
@@ -360,12 +360,12 @@ static int lis3lv02d_suspend(struct acpi_device *device, pm_message_t state) 
static int lis3lv02d_resume(struct acpi_device *device)

{

	/* put back the device in the right state (ACPI might turn it on) */

	mutex_lock(&adev.lock);

	if (adev.usage > 0)

	mutex_lock(&lis3_dev.lock);

	if (lis3_dev.usage > 0)

		lis3lv02d_poweron(device->handle);

	else

		lis3lv02d_poweroff(device->handle);

	mutex_unlock(&adev.lock);

	mutex_unlock(&lis3_dev.lock);

	return 0;

}

#else

drivers/hwmon/lis3lv02d.c

+91 −81
Original line number Diff line number Diff line
@@ -53,14 +53,24 @@ 
 * joystick.

 */



struct acpi_lis3lv02d adev = {

	.misc_wait   = __WAIT_QUEUE_HEAD_INITIALIZER(adev.misc_wait),

struct acpi_lis3lv02d lis3_dev = {

	.misc_wait   = __WAIT_QUEUE_HEAD_INITIALIZER(lis3_dev.misc_wait),

};



EXPORT_SYMBOL_GPL(adev);

EXPORT_SYMBOL_GPL(lis3_dev);



static int lis3lv02d_add_fs(struct acpi_device *device);



static s16 lis3lv02d_read_16(acpi_handle handle, int reg)

{

	u8 lo, hi;



	lis3_dev.read(handle, reg, &lo);

	lis3_dev.read(handle, reg + 1, &hi);

	/* In "12 bit right justified" mode, bit 6, bit 7, bit 8 = bit 5 */

	return (s16)((hi << 8) | lo);

}



/**

 * lis3lv02d_get_axis - For the given axis, give the value converted

 * @axis:      1,2,3 - can also be negative
@@ -89,25 +99,25 @@ static void lis3lv02d_get_xyz(acpi_handle handle, int *x, int *y, int *z) 
{

	int position[3];



	position[0] = adev.read_data(handle, OUTX);

	position[1] = adev.read_data(handle, OUTY);

	position[2] = adev.read_data(handle, OUTZ);

	position[0] = lis3_dev.read_data(handle, OUTX);

	position[1] = lis3_dev.read_data(handle, OUTY);

	position[2] = lis3_dev.read_data(handle, OUTZ);



	*x = lis3lv02d_get_axis(adev.ac.x, position);

	*y = lis3lv02d_get_axis(adev.ac.y, position);

	*z = lis3lv02d_get_axis(adev.ac.z, position);

	*x = lis3lv02d_get_axis(lis3_dev.ac.x, position);

	*y = lis3lv02d_get_axis(lis3_dev.ac.y, position);

	*z = lis3lv02d_get_axis(lis3_dev.ac.z, position);

}



void lis3lv02d_poweroff(acpi_handle handle)

{

	adev.is_on = 0;

	lis3_dev.is_on = 0;

}

EXPORT_SYMBOL_GPL(lis3lv02d_poweroff);



void lis3lv02d_poweron(acpi_handle handle)

{

	adev.is_on = 1;

	adev.init(handle);

	lis3_dev.is_on = 1;

	lis3_dev.init(handle);

}

EXPORT_SYMBOL_GPL(lis3lv02d_poweron);
@@ -147,10 +157,10 @@ static irqreturn_t lis302dl_interrupt(int irq, void *dummy) 
	 * the lid is closed. This leads to interrupts as soon as a little move

	 * is done.

	 */

	atomic_inc(&adev.count);

	atomic_inc(&lis3_dev.count);



	wake_up_interruptible(&adev.misc_wait);

	kill_fasync(&adev.async_queue, SIGIO, POLL_IN);

	wake_up_interruptible(&lis3_dev.misc_wait);

	kill_fasync(&lis3_dev.async_queue, SIGIO, POLL_IN);

	return IRQ_HANDLED;

}
@@ -158,10 +168,10 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file) 
{

	int ret;



	if (test_and_set_bit(0, &adev.misc_opened))

	if (test_and_set_bit(0, &lis3_dev.misc_opened))

		return -EBUSY; /* already open */



	atomic_set(&adev.count, 0);

	atomic_set(&lis3_dev.count, 0);



	/*

	 * The sensor can generate interrupts for free-fall and direction
@@ -174,25 +184,25 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file) 
	 * io-apic is not configurable (and generates a warning) but I keep it

	 * in case of support for other hardware.

	 */

	ret = request_irq(adev.irq, lis302dl_interrupt, IRQF_TRIGGER_RISING,

			  DRIVER_NAME, &adev);

	ret = request_irq(lis3_dev.irq, lis302dl_interrupt, IRQF_TRIGGER_RISING,

			  DRIVER_NAME, &lis3_dev);



	if (ret) {

		clear_bit(0, &adev.misc_opened);

		printk(KERN_ERR DRIVER_NAME ": IRQ%d allocation failed\n", adev.irq);

		clear_bit(0, &lis3_dev.misc_opened);

		printk(KERN_ERR DRIVER_NAME ": IRQ%d allocation failed\n", lis3_dev.irq);

		return -EBUSY;

	}

	lis3lv02d_increase_use(&adev);

	printk("lis3: registered interrupt %d\n", adev.irq);

	lis3lv02d_increase_use(&lis3_dev);

	printk("lis3: registered interrupt %d\n", lis3_dev.irq);

	return 0;

}



static int lis3lv02d_misc_release(struct inode *inode, struct file *file)

{

	fasync_helper(-1, file, 0, &adev.async_queue);

	lis3lv02d_decrease_use(&adev);

	free_irq(adev.irq, &adev);

	clear_bit(0, &adev.misc_opened); /* release the device */

	fasync_helper(-1, file, 0, &lis3_dev.async_queue);

	lis3lv02d_decrease_use(&lis3_dev);

	free_irq(lis3_dev.irq, &lis3_dev);

	clear_bit(0, &lis3_dev.misc_opened); /* release the device */

	return 0;

}
@@ -207,10 +217,10 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf, 
	if (count < 1)

		return -EINVAL;



	add_wait_queue(&adev.misc_wait, &wait);

	add_wait_queue(&lis3_dev.misc_wait, &wait);

	while (true) {

		set_current_state(TASK_INTERRUPTIBLE);

		data = atomic_xchg(&adev.count, 0);

		data = atomic_xchg(&lis3_dev.count, 0);

		if (data)

			break;
@@ -240,22 +250,22 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf, 


out:

	__set_current_state(TASK_RUNNING);

	remove_wait_queue(&adev.misc_wait, &wait);

	remove_wait_queue(&lis3_dev.misc_wait, &wait);



	return retval;

}



static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait)

{

	poll_wait(file, &adev.misc_wait, wait);

	if (atomic_read(&adev.count))

	poll_wait(file, &lis3_dev.misc_wait, wait);

	if (atomic_read(&lis3_dev.count))

		return POLLIN | POLLRDNORM;

	return 0;

}



static int lis3lv02d_misc_fasync(int fd, struct file *file, int on)

{

	return fasync_helper(fd, file, on, &adev.async_queue);

	return fasync_helper(fd, file, on, &lis3_dev.async_queue);

}



static const struct file_operations lis3lv02d_misc_fops = {
@@ -283,12 +293,12 @@ static int lis3lv02d_joystick_kthread(void *data) 
	int x, y, z;



	while (!kthread_should_stop()) {

		lis3lv02d_get_xyz(adev.device->handle, &x, &y, &z);

		input_report_abs(adev.idev, ABS_X, x - adev.xcalib);

		input_report_abs(adev.idev, ABS_Y, y - adev.ycalib);

		input_report_abs(adev.idev, ABS_Z, z - adev.zcalib);

		lis3lv02d_get_xyz(lis3_dev.device->handle, &x, &y, &z);

		input_report_abs(lis3_dev.idev, ABS_X, x - lis3_dev.xcalib);

		input_report_abs(lis3_dev.idev, ABS_Y, y - lis3_dev.ycalib);

		input_report_abs(lis3_dev.idev, ABS_Z, z - lis3_dev.zcalib);



		input_sync(adev.idev);

		input_sync(lis3_dev.idev);



		try_to_freeze();

		msleep_interruptible(MDPS_POLL_INTERVAL);
@@ -299,11 +309,11 @@ static int lis3lv02d_joystick_kthread(void *data) 


static int lis3lv02d_joystick_open(struct input_dev *input)

{

	lis3lv02d_increase_use(&adev);

	adev.kthread = kthread_run(lis3lv02d_joystick_kthread, NULL, "klis3lv02d");

	if (IS_ERR(adev.kthread)) {

		lis3lv02d_decrease_use(&adev);

		return PTR_ERR(adev.kthread);

	lis3lv02d_increase_use(&lis3_dev);

	lis3_dev.kthread = kthread_run(lis3lv02d_joystick_kthread, NULL, "klis3lv02d");

	if (IS_ERR(lis3_dev.kthread)) {

		lis3lv02d_decrease_use(&lis3_dev);

		return PTR_ERR(lis3_dev.kthread);

	}



	return 0;
@@ -311,45 +321,45 @@ static int lis3lv02d_joystick_open(struct input_dev *input) 


static void lis3lv02d_joystick_close(struct input_dev *input)

{

	kthread_stop(adev.kthread);

	lis3lv02d_decrease_use(&adev);

	kthread_stop(lis3_dev.kthread);

	lis3lv02d_decrease_use(&lis3_dev);

}



static inline void lis3lv02d_calibrate_joystick(void)

{

	lis3lv02d_get_xyz(adev.device->handle, &adev.xcalib, &adev.ycalib, &adev.zcalib);

	lis3lv02d_get_xyz(lis3_dev.device->handle, &lis3_dev.xcalib, &lis3_dev.ycalib, &lis3_dev.zcalib);

}



int lis3lv02d_joystick_enable(void)

{

	int err;



	if (adev.idev)

	if (lis3_dev.idev)

		return -EINVAL;



	adev.idev = input_allocate_device();

	if (!adev.idev)

	lis3_dev.idev = input_allocate_device();

	if (!lis3_dev.idev)

		return -ENOMEM;



	lis3lv02d_calibrate_joystick();



	adev.idev->name       = "ST LIS3LV02DL Accelerometer";

	adev.idev->phys       = DRIVER_NAME "/input0";

	adev.idev->id.bustype = BUS_HOST;

	adev.idev->id.vendor  = 0;

	adev.idev->dev.parent = &adev.pdev->dev;

	adev.idev->open       = lis3lv02d_joystick_open;

	adev.idev->close      = lis3lv02d_joystick_close;

	lis3_dev.idev->name       = "ST LIS3LV02DL Accelerometer";

	lis3_dev.idev->phys       = DRIVER_NAME "/input0";

	lis3_dev.idev->id.bustype = BUS_HOST;

	lis3_dev.idev->id.vendor  = 0;

	lis3_dev.idev->dev.parent = &lis3_dev.pdev->dev;

	lis3_dev.idev->open       = lis3lv02d_joystick_open;

	lis3_dev.idev->close      = lis3lv02d_joystick_close;



	set_bit(EV_ABS, adev.idev->evbit);

	input_set_abs_params(adev.idev, ABS_X, -adev.mdps_max_val, adev.mdps_max_val, 3, 3);

	input_set_abs_params(adev.idev, ABS_Y, -adev.mdps_max_val, adev.mdps_max_val, 3, 3);

	input_set_abs_params(adev.idev, ABS_Z, -adev.mdps_max_val, adev.mdps_max_val, 3, 3);

	set_bit(EV_ABS, lis3_dev.idev->evbit);

	input_set_abs_params(lis3_dev.idev, ABS_X, -lis3_dev.mdps_max_val, lis3_dev.mdps_max_val, 3, 3);

	input_set_abs_params(lis3_dev.idev, ABS_Y, -lis3_dev.mdps_max_val, lis3_dev.mdps_max_val, 3, 3);

	input_set_abs_params(lis3_dev.idev, ABS_Z, -lis3_dev.mdps_max_val, lis3_dev.mdps_max_val, 3, 3);



	err = input_register_device(adev.idev);

	err = input_register_device(lis3_dev.idev);

	if (err) {

		input_free_device(adev.idev);

		adev.idev = NULL;

		input_free_device(lis3_dev.idev);

		lis3_dev.idev = NULL;

	}



	return err;
@@ -358,12 +368,12 @@ EXPORT_SYMBOL_GPL(lis3lv02d_joystick_enable); 


void lis3lv02d_joystick_disable(void)

{

	if (!adev.idev)

	if (!lis3_dev.idev)

		return;



	misc_deregister(&lis3lv02d_misc_device);

	input_unregister_device(adev.idev);

	adev.idev = NULL;

	input_unregister_device(lis3_dev.idev);

	lis3_dev.idev = NULL;

}

EXPORT_SYMBOL_GPL(lis3lv02d_joystick_disable);
@@ -404,25 +414,25 @@ static ssize_t lis3lv02d_position_show(struct device *dev, 
{

	int x, y, z;



	lis3lv02d_increase_use(&adev);

	lis3lv02d_get_xyz(adev.device->handle, &x, &y, &z);

	lis3lv02d_decrease_use(&adev);

	lis3lv02d_increase_use(&lis3_dev);

	lis3lv02d_get_xyz(lis3_dev.device->handle, &x, &y, &z);

	lis3lv02d_decrease_use(&lis3_dev);

	return sprintf(buf, "(%d,%d,%d)\n", x, y, z);

}



static ssize_t lis3lv02d_calibrate_show(struct device *dev,

				struct device_attribute *attr, char *buf)

{

	return sprintf(buf, "(%d,%d,%d)\n", adev.xcalib, adev.ycalib, adev.zcalib);

	return sprintf(buf, "(%d,%d,%d)\n", lis3_dev.xcalib, lis3_dev.ycalib, lis3_dev.zcalib);

}



static ssize_t lis3lv02d_calibrate_store(struct device *dev,

				struct device_attribute *attr,

				const char *buf, size_t count)

{

	lis3lv02d_increase_use(&adev);

	lis3lv02d_increase_use(&lis3_dev);

	lis3lv02d_calibrate_joystick();

	lis3lv02d_decrease_use(&adev);

	lis3lv02d_decrease_use(&lis3_dev);

	return count;

}
@@ -434,9 +444,9 @@ static ssize_t lis3lv02d_rate_show(struct device *dev, 
	u8 ctrl;

	int val;



	lis3lv02d_increase_use(&adev);

	adev.read(adev.device->handle, CTRL_REG1, &ctrl);

	lis3lv02d_decrease_use(&adev);

	lis3lv02d_increase_use(&lis3_dev);

	lis3_dev.read(lis3_dev.device->handle, CTRL_REG1, &ctrl);

	lis3lv02d_decrease_use(&lis3_dev);

	val = (ctrl & (CTRL1_DF0 | CTRL1_DF1)) >> 4;

	return sprintf(buf, "%d\n", lis3lv02dl_df_val[val]);

}
@@ -460,17 +470,17 @@ static struct attribute_group lis3lv02d_attribute_group = { 


static int lis3lv02d_add_fs(struct acpi_device *device)

{

	adev.pdev = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);

	if (IS_ERR(adev.pdev))

		return PTR_ERR(adev.pdev);

	lis3_dev.pdev = platform_device_register_simple(DRIVER_NAME, -1, NULL, 0);

	if (IS_ERR(lis3_dev.pdev))

		return PTR_ERR(lis3_dev.pdev);



	return sysfs_create_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group);

	return sysfs_create_group(&lis3_dev.pdev->dev.kobj, &lis3lv02d_attribute_group);

}



int lis3lv02d_remove_fs(void)

{

	sysfs_remove_group(&adev.pdev->dev.kobj, &lis3lv02d_attribute_group);

	platform_device_unregister(adev.pdev);

	sysfs_remove_group(&lis3_dev.pdev->dev.kobj, &lis3lv02d_attribute_group);

	platform_device_unregister(lis3_dev.pdev);

	return 0;

}

EXPORT_SYMBOL_GPL(lis3lv02d_remove_fs);

drivers/hwmon/lis3lv02d.h

+1 −1
Original line number Diff line number Diff line
@@ -194,4 +194,4 @@ void lis3lv02d_poweroff(acpi_handle handle); 
void lis3lv02d_poweron(acpi_handle handle);

int lis3lv02d_remove_fs(void);



extern struct acpi_lis3lv02d adev;
 
extern struct acpi_lis3lv02d lis3_dev;

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