diff --git a/drivers/staging/iio/buffer_generic.h b/drivers/staging/iio/buffer_generic.h index 548bb7481912..9e8f01009979 100644 --- a/drivers/staging/iio/buffer_generic.h +++ b/drivers/staging/iio/buffer_generic.h @@ -120,10 +120,10 @@ struct iio_buffer { /** * iio_buffer_init() - Initialize the buffer structure * @buffer: buffer to be initialized - * @dev_info: the iio device the buffer is assocated with + * @indio_dev: the iio device the buffer is assocated with **/ void iio_buffer_init(struct iio_buffer *buffer, - struct iio_dev *dev_info); + struct iio_dev *indio_dev); void iio_buffer_deinit(struct iio_buffer *buffer); diff --git a/drivers/staging/iio/iio.h b/drivers/staging/iio/iio.h index e7c286581a38..f3d88cd7e8a0 100644 --- a/drivers/staging/iio/iio.h +++ b/drivers/staging/iio/iio.h @@ -323,23 +323,23 @@ struct iio_dev { /** * iio_device_register() - register a device with the IIO subsystem - * @dev_info: Device structure filled by the device driver + * @indio_dev: Device structure filled by the device driver **/ -int iio_device_register(struct iio_dev *dev_info); +int iio_device_register(struct iio_dev *indio_dev); /** * iio_device_unregister() - unregister a device from the IIO subsystem - * @dev_info: Device structure representing the device. + * @indio_dev: Device structure representing the device. **/ -void iio_device_unregister(struct iio_dev *dev_info); +void iio_device_unregister(struct iio_dev *indio_dev); /** * iio_push_event() - try to add event to the list for userspace reading - * @dev_info: IIO device structure + * @indio_dev: IIO device structure * @ev_code: What event * @timestamp: When the event occurred **/ -int iio_push_event(struct iio_dev *dev_info, u64 ev_code, s64 timestamp); +int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp); extern struct bus_type iio_bus_type; @@ -347,10 +347,10 @@ extern struct bus_type iio_bus_type; * iio_put_device() - reference counted deallocation of struct device * @dev: the iio_device containing the device **/ -static inline void iio_put_device(struct iio_dev *dev) +static inline void iio_put_device(struct iio_dev *indio_dev) { - if (dev) - put_device(&dev->dev); + if (indio_dev) + put_device(&indio_dev->dev); }; /* Can we make this smaller? */ @@ -361,9 +361,9 @@ static inline void iio_put_device(struct iio_dev *dev) **/ struct iio_dev *iio_allocate_device(int sizeof_priv); -static inline void *iio_priv(const struct iio_dev *dev) +static inline void *iio_priv(const struct iio_dev *indio_dev) { - return (char *)dev + ALIGN(sizeof(struct iio_dev), IIO_ALIGN); + return (char *)indio_dev + ALIGN(sizeof(struct iio_dev), IIO_ALIGN); } static inline struct iio_dev *iio_priv_to_dev(void *priv) @@ -376,15 +376,15 @@ static inline struct iio_dev *iio_priv_to_dev(void *priv) * iio_free_device() - free an iio_dev from a driver * @dev: the iio_dev associated with the device **/ -void iio_free_device(struct iio_dev *dev); +void iio_free_device(struct iio_dev *indio_dev); /** * iio_buffer_enabled() - helper function to test if the buffer is enabled - * @dev_info: IIO device info structure for device + * @indio_dev: IIO device info structure for device **/ -static inline bool iio_buffer_enabled(struct iio_dev *dev_info) +static inline bool iio_buffer_enabled(struct iio_dev *indio_dev) { - return dev_info->currentmode + return indio_dev->currentmode & (INDIO_BUFFER_TRIGGERED | INDIO_BUFFER_HARDWARE); }; diff --git a/drivers/staging/iio/iio_core_trigger.h b/drivers/staging/iio/iio_core_trigger.h index 3e5195a82bca..523c288b776b 100644 --- a/drivers/staging/iio/iio_core_trigger.h +++ b/drivers/staging/iio/iio_core_trigger.h @@ -11,32 +11,33 @@ #ifdef CONFIG_IIO_TRIGGER /** * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers - * @dev_info: iio_dev associated with the device that will consume the trigger + * @indio_dev: iio_dev associated with the device that will consume the trigger **/ -int iio_device_register_trigger_consumer(struct iio_dev *dev_info); + +int iio_device_register_trigger_consumer(struct iio_dev *indio_dev); /** * iio_device_unregister_trigger_consumer() - reverse the registration process - * @dev_info: iio_dev associated with the device that consumed the trigger + * @indio_dev: iio_dev associated with the device that consumed the trigger **/ -void iio_device_unregister_trigger_consumer(struct iio_dev *dev_info); +void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev); #else /** * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers - * @dev_info: iio_dev associated with the device that will consume the trigger + * @indio_dev: iio_dev associated with the device that will consume the trigger **/ -static int iio_device_register_trigger_consumer(struct iio_dev *dev_info) +static int iio_device_register_trigger_consumer(struct iio_dev *indio_dev) { return 0; }; /** * iio_device_unregister_trigger_consumer() - reverse the registration process - * @dev_info: iio_dev associated with the device that consumed the trigger + * @indio_dev: iio_dev associated with the device that consumed the trigger **/ -static void iio_device_unregister_trigger_consumer(struct iio_dev *dev_info) +static void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev) { }; diff --git a/drivers/staging/iio/industrialio-buffer.c b/drivers/staging/iio/industrialio-buffer.c index 60929ff633e5..6dd5d7d629a1 100644 --- a/drivers/staging/iio/industrialio-buffer.c +++ b/drivers/staging/iio/industrialio-buffer.c @@ -82,9 +82,9 @@ void iio_chrdev_buffer_release(struct iio_dev *indio_dev) rb->access->unmark_in_use(rb); } -void iio_buffer_init(struct iio_buffer *buffer, struct iio_dev *dev_info) +void iio_buffer_init(struct iio_buffer *buffer, struct iio_dev *indio_dev) { - buffer->indio_dev = dev_info; + buffer->indio_dev = indio_dev; init_waitqueue_head(&buffer->pollq); } EXPORT_SYMBOL(iio_buffer_init); @@ -123,9 +123,9 @@ static ssize_t iio_scan_el_show(struct device *dev, char *buf) { int ret; - struct iio_dev *dev_info = dev_get_drvdata(dev); + struct iio_dev *indio_dev = dev_get_drvdata(dev); - ret = iio_scan_mask_query(dev_info->buffer, + ret = iio_scan_mask_query(indio_dev->buffer, to_iio_dev_attr(attr)->address); if (ret < 0) return ret; @@ -180,8 +180,8 @@ static ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *dev_info = dev_get_drvdata(dev); - return sprintf(buf, "%d\n", dev_info->buffer->scan_timestamp); + struct iio_dev *indio_dev = dev_get_drvdata(dev); + return sprintf(buf, "%d\n", indio_dev->buffer->scan_timestamp); } static ssize_t iio_scan_el_ts_store(struct device *dev, @@ -427,11 +427,11 @@ ssize_t iio_buffer_store_enable(struct device *dev, int ret; bool requested_state, current_state; int previous_mode; - struct iio_dev *dev_info = dev_get_drvdata(dev); - struct iio_buffer *buffer = dev_info->buffer; + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_buffer *buffer = indio_dev->buffer; - mutex_lock(&dev_info->mlock); - previous_mode = dev_info->currentmode; + mutex_lock(&indio_dev->mlock); + previous_mode = indio_dev->currentmode; requested_state = !(buf[0] == '0'); current_state = !!(previous_mode & INDIO_ALL_BUFFER_MODES); if (current_state == requested_state) { @@ -440,7 +440,7 @@ ssize_t iio_buffer_store_enable(struct device *dev, } if (requested_state) { if (buffer->setup_ops->preenable) { - ret = buffer->setup_ops->preenable(dev_info); + ret = buffer->setup_ops->preenable(indio_dev); if (ret) { printk(KERN_ERR "Buffer not started:" @@ -460,8 +460,8 @@ ssize_t iio_buffer_store_enable(struct device *dev, if (buffer->access->mark_in_use) buffer->access->mark_in_use(buffer); /* Definitely possible for devices to support both of these.*/ - if (dev_info->modes & INDIO_BUFFER_TRIGGERED) { - if (!dev_info->trig) { + if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) { + if (!indio_dev->trig) { printk(KERN_INFO "Buffer not started: no trigger\n"); ret = -EINVAL; @@ -469,50 +469,50 @@ ssize_t iio_buffer_store_enable(struct device *dev, buffer->access->unmark_in_use(buffer); goto error_ret; } - dev_info->currentmode = INDIO_BUFFER_TRIGGERED; - } else if (dev_info->modes & INDIO_BUFFER_HARDWARE) - dev_info->currentmode = INDIO_BUFFER_HARDWARE; + indio_dev->currentmode = INDIO_BUFFER_TRIGGERED; + } else if (indio_dev->modes & INDIO_BUFFER_HARDWARE) + indio_dev->currentmode = INDIO_BUFFER_HARDWARE; else { /* should never be reached */ ret = -EINVAL; goto error_ret; } if (buffer->setup_ops->postenable) { - ret = buffer->setup_ops->postenable(dev_info); + ret = buffer->setup_ops->postenable(indio_dev); if (ret) { printk(KERN_INFO "Buffer not started:" "postenable failed\n"); if (buffer->access->unmark_in_use) buffer->access->unmark_in_use(buffer); - dev_info->currentmode = previous_mode; + indio_dev->currentmode = previous_mode; if (buffer->setup_ops->postdisable) buffer->setup_ops-> - postdisable(dev_info); + postdisable(indio_dev); goto error_ret; } } } else { if (buffer->setup_ops->predisable) { - ret = buffer->setup_ops->predisable(dev_info); + ret = buffer->setup_ops->predisable(indio_dev); if (ret) goto error_ret; } if (buffer->access->unmark_in_use) buffer->access->unmark_in_use(buffer); - dev_info->currentmode = INDIO_DIRECT_MODE; + indio_dev->currentmode = INDIO_DIRECT_MODE; if (buffer->setup_ops->postdisable) { - ret = buffer->setup_ops->postdisable(dev_info); + ret = buffer->setup_ops->postdisable(indio_dev); if (ret) goto error_ret; } } done: - mutex_unlock(&dev_info->mlock); + mutex_unlock(&indio_dev->mlock); return len; error_ret: - mutex_unlock(&dev_info->mlock); + mutex_unlock(&indio_dev->mlock); return ret; } EXPORT_SYMBOL(iio_buffer_store_enable); @@ -521,8 +521,8 @@ ssize_t iio_buffer_show_enable(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *dev_info = dev_get_drvdata(dev); - return sprintf(buf, "%d\n", !!(dev_info->currentmode + struct iio_dev *indio_dev = dev_get_drvdata(dev); + return sprintf(buf, "%d\n", !!(indio_dev->currentmode & INDIO_ALL_BUFFER_MODES)); } EXPORT_SYMBOL(iio_buffer_show_enable); @@ -575,34 +575,34 @@ static unsigned long *iio_scan_mask_match(unsigned long *av_masks, **/ int iio_scan_mask_set(struct iio_buffer *buffer, int bit) { - struct iio_dev *dev_info = buffer->indio_dev; + struct iio_dev *indio_dev = buffer->indio_dev; unsigned long *mask; unsigned long *trialmask; trialmask = kmalloc(sizeof(*trialmask)* - BITS_TO_LONGS(dev_info->masklength), + BITS_TO_LONGS(indio_dev->masklength), GFP_KERNEL); if (trialmask == NULL) return -ENOMEM; - if (!dev_info->masklength) { + if (!indio_dev->masklength) { WARN_ON("trying to set scanmask prior to registering buffer\n"); kfree(trialmask); return -EINVAL; } - bitmap_copy(trialmask, buffer->scan_mask, dev_info->masklength); + bitmap_copy(trialmask, buffer->scan_mask, indio_dev->masklength); set_bit(bit, trialmask); - if (dev_info->available_scan_masks) { - mask = iio_scan_mask_match(dev_info->available_scan_masks, - dev_info->masklength, + if (indio_dev->available_scan_masks) { + mask = iio_scan_mask_match(indio_dev->available_scan_masks, + indio_dev->masklength, trialmask); if (!mask) { kfree(trialmask); return -EINVAL; } } - bitmap_copy(buffer->scan_mask, trialmask, dev_info->masklength); + bitmap_copy(buffer->scan_mask, trialmask, indio_dev->masklength); buffer->scan_count++; kfree(trialmask); @@ -613,17 +613,17 @@ EXPORT_SYMBOL_GPL(iio_scan_mask_set); int iio_scan_mask_query(struct iio_buffer *buffer, int bit) { - struct iio_dev *dev_info = buffer->indio_dev; + struct iio_dev *indio_dev = buffer->indio_dev; long *mask; - if (bit > dev_info->masklength) + if (bit > indio_dev->masklength) return -EINVAL; if (!buffer->scan_mask) return 0; - if (dev_info->available_scan_masks) - mask = iio_scan_mask_match(dev_info->available_scan_masks, - dev_info->masklength, + if (indio_dev->available_scan_masks) + mask = iio_scan_mask_match(indio_dev->available_scan_masks, + indio_dev->masklength, buffer->scan_mask); else mask = buffer->scan_mask; diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c index 5a6dde85ec8f..f52fa3a38874 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/drivers/staging/iio/industrialio-core.c @@ -119,9 +119,9 @@ struct iio_event_interface { struct attribute_group group; }; -int iio_push_event(struct iio_dev *dev_info, u64 ev_code, s64 timestamp) +int iio_push_event(struct iio_dev *indio_dev, u64 ev_code, s64 timestamp) { - struct iio_event_interface *ev_int = dev_info->event_interface; + struct iio_event_interface *ev_int = indio_dev->event_interface; struct iio_detected_event_list *ev; int ret = 0; @@ -567,7 +567,7 @@ error_ret: return ret; } -static int iio_device_add_channel_sysfs(struct iio_dev *dev_info, +static int iio_device_add_channel_sysfs(struct iio_dev *indio_dev, struct iio_chan_spec const *chan) { int ret, i, attrcount = 0; @@ -582,8 +582,8 @@ static int iio_device_add_channel_sysfs(struct iio_dev *dev_info, &iio_write_channel_info : NULL), 0, 0, - &dev_info->dev, - &dev_info->channel_attr_list); + &indio_dev->dev, + &indio_dev->channel_attr_list); if (ret) goto error_ret; attrcount++; @@ -595,8 +595,8 @@ static int iio_device_add_channel_sysfs(struct iio_dev *dev_info, &iio_write_channel_info, (1 << i), !(i%2), - &dev_info->dev, - &dev_info->channel_attr_list); + &indio_dev->dev, + &indio_dev->channel_attr_list); if (ret == -EBUSY && (i%2 == 0)) { ret = 0; continue; @@ -610,7 +610,7 @@ error_ret: return ret; } -static void iio_device_remove_and_free_read_attr(struct iio_dev *dev_info, +static void iio_device_remove_and_free_read_attr(struct iio_dev *indio_dev, struct iio_dev_attr *p) { kfree(p->dev_attr.attr.name); @@ -627,15 +627,15 @@ static ssize_t iio_show_dev_name(struct device *dev, static DEVICE_ATTR(name, S_IRUGO, iio_show_dev_name, NULL); -static int iio_device_register_sysfs(struct iio_dev *dev_info) +static int iio_device_register_sysfs(struct iio_dev *indio_dev) { int i, ret = 0, attrcount, attrn, attrcount_orig = 0; struct iio_dev_attr *p, *n; struct attribute **attr; /* First count elements in any existing group */ - if (dev_info->info->attrs) { - attr = dev_info->info->attrs->attrs; + if (indio_dev->info->attrs) { + attr = indio_dev->info->attrs->attrs; while (*attr++ != NULL) attrcount_orig++; } @@ -644,66 +644,66 @@ static int iio_device_register_sysfs(struct iio_dev *dev_info) * New channel registration method - relies on the fact a group does * not need to be initialized if it is name is NULL. */ - INIT_LIST_HEAD(&dev_info->channel_attr_list); - if (dev_info->channels) - for (i = 0; i < dev_info->num_channels; i++) { - ret = iio_device_add_channel_sysfs(dev_info, - &dev_info + INIT_LIST_HEAD(&indio_dev->channel_attr_list); + if (indio_dev->channels) + for (i = 0; i < indio_dev->num_channels; i++) { + ret = iio_device_add_channel_sysfs(indio_dev, + &indio_dev ->channels[i]); if (ret < 0) goto error_clear_attrs; attrcount += ret; } - if (dev_info->name) + if (indio_dev->name) attrcount++; - dev_info->chan_attr_group.attrs - = kzalloc(sizeof(dev_info->chan_attr_group.attrs[0])* + indio_dev->chan_attr_group.attrs + = kzalloc(sizeof(indio_dev->chan_attr_group.attrs[0])* (attrcount + 1), GFP_KERNEL); - if (dev_info->chan_attr_group.attrs == NULL) { + if (indio_dev->chan_attr_group.attrs == NULL) { ret = -ENOMEM; goto error_clear_attrs; } /* Copy across original attributes */ - if (dev_info->info->attrs) - memcpy(dev_info->chan_attr_group.attrs, - dev_info->info->attrs->attrs, - sizeof(dev_info->chan_attr_group.attrs[0]) + if (indio_dev->info->attrs) + memcpy(indio_dev->chan_attr_group.attrs, + indio_dev->info->attrs->attrs, + sizeof(indio_dev->chan_attr_group.attrs[0]) *attrcount_orig); attrn = attrcount_orig; /* Add all elements from the list. */ - list_for_each_entry(p, &dev_info->channel_attr_list, l) - dev_info->chan_attr_group.attrs[attrn++] = &p->dev_attr.attr; - if (dev_info->name) - dev_info->chan_attr_group.attrs[attrn++] = &dev_attr_name.attr; + list_for_each_entry(p, &indio_dev->channel_attr_list, l) + indio_dev->chan_attr_group.attrs[attrn++] = &p->dev_attr.attr; + if (indio_dev->name) + indio_dev->chan_attr_group.attrs[attrn++] = &dev_attr_name.attr; - dev_info->groups[dev_info->groupcounter++] = - &dev_info->chan_attr_group; + indio_dev->groups[indio_dev->groupcounter++] = + &indio_dev->chan_attr_group; return 0; error_clear_attrs: list_for_each_entry_safe(p, n, - &dev_info->channel_attr_list, l) { + &indio_dev->channel_attr_list, l) { list_del(&p->l); - iio_device_remove_and_free_read_attr(dev_info, p); + iio_device_remove_and_free_read_attr(indio_dev, p); } return ret; } -static void iio_device_unregister_sysfs(struct iio_dev *dev_info) +static void iio_device_unregister_sysfs(struct iio_dev *indio_dev) { struct iio_dev_attr *p, *n; - list_for_each_entry_safe(p, n, &dev_info->channel_attr_list, l) { + list_for_each_entry_safe(p, n, &indio_dev->channel_attr_list, l) { list_del(&p->l); - iio_device_remove_and_free_read_attr(dev_info, p); + iio_device_remove_and_free_read_attr(indio_dev, p); } - kfree(dev_info->chan_attr_group.attrs); + kfree(indio_dev->chan_attr_group.attrs); } static const char * const iio_ev_type_text[] = { @@ -793,7 +793,7 @@ static ssize_t iio_ev_value_store(struct device *dev, return len; } -static int iio_device_add_event_sysfs(struct iio_dev *dev_info, +static int iio_device_add_event_sysfs(struct iio_dev *indio_dev, struct iio_chan_spec const *chan) { int ret = 0, i, attrcount = 0; @@ -834,8 +834,8 @@ static int iio_device_add_event_sysfs(struct iio_dev *dev_info, iio_ev_state_store, mask, 0, - &dev_info->dev, - &dev_info->event_interface-> + &indio_dev->dev, + &indio_dev->event_interface-> dev_attr_list); kfree(postfix); if (ret) @@ -853,8 +853,8 @@ static int iio_device_add_event_sysfs(struct iio_dev *dev_info, iio_ev_value_store, mask, 0, - &dev_info->dev, - &dev_info->event_interface-> + &indio_dev->dev, + &indio_dev->event_interface-> dev_attr_list); kfree(postfix); if (ret) @@ -866,26 +866,26 @@ error_ret: return ret; } -static inline void __iio_remove_event_config_attrs(struct iio_dev *dev_info) +static inline void __iio_remove_event_config_attrs(struct iio_dev *indio_dev) { struct iio_dev_attr *p, *n; list_for_each_entry_safe(p, n, - &dev_info->event_interface-> + &indio_dev->event_interface-> dev_attr_list, l) { kfree(p->dev_attr.attr.name); kfree(p); } } -static inline int __iio_add_event_config_attrs(struct iio_dev *dev_info) +static inline int __iio_add_event_config_attrs(struct iio_dev *indio_dev) { int j, ret, attrcount = 0; - INIT_LIST_HEAD(&dev_info->event_interface->dev_attr_list); + INIT_LIST_HEAD(&indio_dev->event_interface->dev_attr_list); /* Dynically created from the channels array */ - for (j = 0; j < dev_info->num_channels; j++) { - ret = iio_device_add_event_sysfs(dev_info, - &dev_info->channels[j]); + for (j = 0; j < indio_dev->num_channels; j++) { + ret = iio_device_add_event_sysfs(indio_dev, + &indio_dev->channels[j]); if (ret < 0) goto error_clear_attrs; attrcount += ret; @@ -893,17 +893,17 @@ static inline int __iio_add_event_config_attrs(struct iio_dev *dev_info) return attrcount; error_clear_attrs: - __iio_remove_event_config_attrs(dev_info); + __iio_remove_event_config_attrs(indio_dev); return ret; } -static bool iio_check_for_dynamic_events(struct iio_dev *dev_info) +static bool iio_check_for_dynamic_events(struct iio_dev *indio_dev) { int j; - for (j = 0; j < dev_info->num_channels; j++) - if (dev_info->channels[j].event_mask != 0) + for (j = 0; j < indio_dev->num_channels; j++) + if (indio_dev->channels[j].event_mask != 0) return true; return false; } @@ -919,91 +919,91 @@ static void iio_setup_ev_int(struct iio_event_interface *ev_int) } static const char *iio_event_group_name = "events"; -static int iio_device_register_eventset(struct iio_dev *dev_info) +static int iio_device_register_eventset(struct iio_dev *indio_dev) { struct iio_dev_attr *p; int ret = 0, attrcount_orig = 0, attrcount, attrn; struct attribute **attr; - if (!(dev_info->info->event_attrs || - iio_check_for_dynamic_events(dev_info))) + if (!(indio_dev->info->event_attrs || + iio_check_for_dynamic_events(indio_dev))) return 0; - dev_info->event_interface = + indio_dev->event_interface = kzalloc(sizeof(struct iio_event_interface), GFP_KERNEL); - if (dev_info->event_interface == NULL) { + if (indio_dev->event_interface == NULL) { ret = -ENOMEM; goto error_ret; } - iio_setup_ev_int(dev_info->event_interface); - if (dev_info->info->event_attrs != NULL) { - attr = dev_info->info->event_attrs->attrs; + iio_setup_ev_int(indio_dev->event_interface); + if (indio_dev->info->event_attrs != NULL) { + attr = indio_dev->info->event_attrs->attrs; while (*attr++ != NULL) attrcount_orig++; } attrcount = attrcount_orig; - if (dev_info->channels) { - ret = __iio_add_event_config_attrs(dev_info); + if (indio_dev->channels) { + ret = __iio_add_event_config_attrs(indio_dev); if (ret < 0) goto error_free_setup_event_lines; attrcount += ret; } - dev_info->event_interface->group.name = iio_event_group_name; - dev_info->event_interface->group.attrs = - kzalloc(sizeof(dev_info->event_interface->group.attrs[0]) + indio_dev->event_interface->group.name = iio_event_group_name; + indio_dev->event_interface->group.attrs = + kzalloc(sizeof(indio_dev->event_interface->group.attrs[0]) *(attrcount + 1), GFP_KERNEL); - if (dev_info->event_interface->group.attrs == NULL) { + if (indio_dev->event_interface->group.attrs == NULL) { ret = -ENOMEM; goto error_free_setup_event_lines; } - if (dev_info->info->event_attrs) - memcpy(dev_info->event_interface->group.attrs, - dev_info->info->event_attrs->attrs, - sizeof(dev_info->event_interface->group.attrs[0]) + if (indio_dev->info->event_attrs) + memcpy(indio_dev->event_interface->group.attrs, + indio_dev->info->event_attrs->attrs, + sizeof(indio_dev->event_interface->group.attrs[0]) *attrcount_orig); attrn = attrcount_orig; /* Add all elements from the list. */ list_for_each_entry(p, - &dev_info->event_interface->dev_attr_list, + &indio_dev->event_interface->dev_attr_list, l) - dev_info->event_interface->group.attrs[attrn++] = + indio_dev->event_interface->group.attrs[attrn++] = &p->dev_attr.attr; - dev_info->groups[dev_info->groupcounter++] = - &dev_info->event_interface->group; + indio_dev->groups[indio_dev->groupcounter++] = + &indio_dev->event_interface->group; return 0; error_free_setup_event_lines: - __iio_remove_event_config_attrs(dev_info); - kfree(dev_info->event_interface); + __iio_remove_event_config_attrs(indio_dev); + kfree(indio_dev->event_interface); error_ret: return ret; } -static void iio_device_unregister_eventset(struct iio_dev *dev_info) +static void iio_device_unregister_eventset(struct iio_dev *indio_dev) { - if (dev_info->event_interface == NULL) + if (indio_dev->event_interface == NULL) return; - __iio_remove_event_config_attrs(dev_info); - kfree(dev_info->event_interface->group.attrs); - kfree(dev_info->event_interface); + __iio_remove_event_config_attrs(indio_dev); + kfree(indio_dev->event_interface->group.attrs); + kfree(indio_dev->event_interface); } static void iio_dev_release(struct device *device) { - struct iio_dev *dev_info = container_of(device, struct iio_dev, dev); - cdev_del(&dev_info->chrdev); - if (dev_info->modes & INDIO_BUFFER_TRIGGERED) - iio_device_unregister_trigger_consumer(dev_info); - iio_device_unregister_eventset(dev_info); - iio_device_unregister_sysfs(dev_info); - ida_simple_remove(&iio_ida, dev_info->id); - kfree(dev_info); + struct iio_dev *indio_dev = container_of(device, struct iio_dev, dev); + cdev_del(&indio_dev->chrdev); + if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) + iio_device_unregister_trigger_consumer(indio_dev); + iio_device_unregister_eventset(indio_dev); + iio_device_unregister_sysfs(indio_dev); + ida_simple_remove(&iio_ida, indio_dev->id); + kfree(indio_dev); } static struct device_type iio_dev_type = { @@ -1062,11 +1062,11 @@ EXPORT_SYMBOL(iio_free_device); **/ static int iio_chrdev_open(struct inode *inode, struct file *filp) { - struct iio_dev *dev_info = container_of(inode->i_cdev, + struct iio_dev *indio_dev = container_of(inode->i_cdev, struct iio_dev, chrdev); - filp->private_data = dev_info; + filp->private_data = indio_dev; - return iio_chrdev_buffer_open(dev_info); + return iio_chrdev_buffer_open(indio_dev); } /** @@ -1107,52 +1107,52 @@ static const struct file_operations iio_buffer_fileops = { .compat_ioctl = iio_ioctl, }; -int iio_device_register(struct iio_dev *dev_info) +int iio_device_register(struct iio_dev *indio_dev) { int ret; /* configure elements for the chrdev */ - dev_info->dev.devt = MKDEV(MAJOR(iio_devt), dev_info->id); + indio_dev->dev.devt = MKDEV(MAJOR(iio_devt), indio_dev->id); - ret = iio_device_register_sysfs(dev_info); + ret = iio_device_register_sysfs(indio_dev); if (ret) { - dev_err(dev_info->dev.parent, + dev_err(indio_dev->dev.parent, "Failed to register sysfs interfaces\n"); goto error_ret; } - ret = iio_device_register_eventset(dev_info); + ret = iio_device_register_eventset(indio_dev); if (ret) { - dev_err(dev_info->dev.parent, + dev_err(indio_dev->dev.parent, "Failed to register event set\n"); goto error_free_sysfs; } - if (dev_info->modes & INDIO_BUFFER_TRIGGERED) - iio_device_register_trigger_consumer(dev_info); + if (indio_dev->modes & INDIO_BUFFER_TRIGGERED) + iio_device_register_trigger_consumer(indio_dev); - ret = device_add(&dev_info->dev); + ret = device_add(&indio_dev->dev); if (ret < 0) goto error_unreg_eventset; - cdev_init(&dev_info->chrdev, &iio_buffer_fileops); - dev_info->chrdev.owner = dev_info->info->driver_module; - ret = cdev_add(&dev_info->chrdev, dev_info->dev.devt, 1); + cdev_init(&indio_dev->chrdev, &iio_buffer_fileops); + indio_dev->chrdev.owner = indio_dev->info->driver_module; + ret = cdev_add(&indio_dev->chrdev, indio_dev->dev.devt, 1); if (ret < 0) goto error_del_device; return 0; error_del_device: - device_del(&dev_info->dev); + device_del(&indio_dev->dev); error_unreg_eventset: - iio_device_unregister_eventset(dev_info); + iio_device_unregister_eventset(indio_dev); error_free_sysfs: - iio_device_unregister_sysfs(dev_info); + iio_device_unregister_sysfs(indio_dev); error_ret: return ret; } EXPORT_SYMBOL(iio_device_register); -void iio_device_unregister(struct iio_dev *dev_info) +void iio_device_unregister(struct iio_dev *indio_dev) { - device_unregister(&dev_info->dev); + device_unregister(&indio_dev->dev); } EXPORT_SYMBOL(iio_device_unregister); subsys_initcall(iio_init); diff --git a/drivers/staging/iio/industrialio-trigger.c b/drivers/staging/iio/industrialio-trigger.c index 392664962b42..2c626e0cb29c 100644 --- a/drivers/staging/iio/industrialio-trigger.c +++ b/drivers/staging/iio/industrialio-trigger.c @@ -304,10 +304,10 @@ static ssize_t iio_trigger_read_current(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *dev_info = dev_get_drvdata(dev); + struct iio_dev *indio_dev = dev_get_drvdata(dev); - if (dev_info->trig) - return sprintf(buf, "%s\n", dev_info->trig->name); + if (indio_dev->trig) + return sprintf(buf, "%s\n", indio_dev->trig->name); return 0; } @@ -323,38 +323,38 @@ static ssize_t iio_trigger_write_current(struct device *dev, const char *buf, size_t len) { - struct iio_dev *dev_info = dev_get_drvdata(dev); - struct iio_trigger *oldtrig = dev_info->trig; + struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_trigger *oldtrig = indio_dev->trig; struct iio_trigger *trig; int ret; - mutex_lock(&dev_info->mlock); - if (dev_info->currentmode == INDIO_BUFFER_TRIGGERED) { - mutex_unlock(&dev_info->mlock); + mutex_lock(&indio_dev->mlock); + if (indio_dev->currentmode == INDIO_BUFFER_TRIGGERED) { + mutex_unlock(&indio_dev->mlock); return -EBUSY; } - mutex_unlock(&dev_info->mlock); + mutex_unlock(&indio_dev->mlock); trig = iio_trigger_find_by_name(buf, len); - if (trig && dev_info->info->validate_trigger) { - ret = dev_info->info->validate_trigger(dev_info, trig); + if (trig && indio_dev->info->validate_trigger) { + ret = indio_dev->info->validate_trigger(indio_dev, trig); if (ret) return ret; } if (trig && trig->ops && trig->ops->validate_device) { - ret = trig->ops->validate_device(trig, dev_info); + ret = trig->ops->validate_device(trig, indio_dev); if (ret) return ret; } - dev_info->trig = trig; + indio_dev->trig = trig; - if (oldtrig && dev_info->trig != oldtrig) + if (oldtrig && indio_dev->trig != oldtrig) iio_put_trigger(oldtrig); - if (dev_info->trig) - iio_get_trigger(dev_info->trig); + if (indio_dev->trig) + iio_get_trigger(indio_dev->trig); return len; } @@ -473,19 +473,19 @@ void iio_free_trigger(struct iio_trigger *trig) } EXPORT_SYMBOL(iio_free_trigger); -int iio_device_register_trigger_consumer(struct iio_dev *dev_info) +int iio_device_register_trigger_consumer(struct iio_dev *indio_dev) { - dev_info->groups[dev_info->groupcounter++] = + indio_dev->groups[indio_dev->groupcounter++] = &iio_trigger_consumer_attr_group; return 0; } -void iio_device_unregister_trigger_consumer(struct iio_dev *dev_info) +void iio_device_unregister_trigger_consumer(struct iio_dev *indio_dev) { /* Clean up and associated but not attached triggers references */ - if (dev_info->trig) - iio_put_trigger(dev_info->trig); + if (indio_dev->trig) + iio_put_trigger(indio_dev->trig); } int iio_triggered_buffer_postenable(struct iio_dev *indio_dev)