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staging:iio:core:naming: dev_info to indio_dev for consistency 

We had a random missmatch of these two.  Lets pick the most common
and get rid of the other.  This patch covers the core.  Others
will clean up the drivers.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
hifive-unleashed-5.1
Jonathan Cameron 2011-10-06 17:14:35 +01:00 committed by Greg Kroah-Hartman
parent ee760ab2a9
commit f8c6f4e9a4
6 changed files with 195 additions and 194 deletions
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4
drivers/staging/iio/buffer_generic.h
View File

@ -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);

30
drivers/staging/iio/iio.h
View File

@ -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);
};

17
drivers/staging/iio/iio_core_trigger.h
View File

@ -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)
{
};

78
drivers/staging/iio/industrialio-buffer.c
View File

@ -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;

218
drivers/staging/iio/industrialio-core.c
View File

@ -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);

42
drivers/staging/iio/industrialio-trigger.c
View File

@ -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)