From be84cfc588b19f14764d78556dc7b630ee8c914c Mon Sep 17 00:00:00 2001 From: Pavel Machek Date: Tue, 31 Mar 2009 15:24:26 -0700 Subject: [PATCH] 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: Pavel Machek Cc: Eric Piel Cc: Vladimir Botka Cc: Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/hwmon/hp_accel.c | 48 +++++------ drivers/hwmon/lis3lv02d.c | 172 ++++++++++++++++++++------------------ drivers/hwmon/lis3lv02d.h | 2 +- 3 files changed, 116 insertions(+), 106 deletions(-) diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c index 29c83b5b9697..ee1ed4270df7 100644 --- a/drivers/hwmon/hp_accel.c +++ b/drivers/hwmon/hp_accel.c @@ -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 diff --git a/drivers/hwmon/lis3lv02d.c b/drivers/hwmon/lis3lv02d.c index 8bb2158f0453..4888ac5ba8cc 100644 --- a/drivers/hwmon/lis3lv02d.c +++ b/drivers/hwmon/lis3lv02d.c @@ -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); diff --git a/drivers/hwmon/lis3lv02d.h b/drivers/hwmon/lis3lv02d.h index 75972bf372ff..017fb2b754d5 100644 --- a/drivers/hwmon/lis3lv02d.h +++ b/drivers/hwmon/lis3lv02d.h @@ -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;