diff options
Diffstat (limited to 'drivers/staging/iio/industrialio-core.c')
| -rw-r--r-- | drivers/staging/iio/industrialio-core.c | 60 |
1 files changed, 27 insertions, 33 deletions
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c index 1d77082c8531..01030684ef28 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/drivers/staging/iio/industrialio-core.c @@ -42,16 +42,10 @@ dev_t iio_devt; EXPORT_SYMBOL(iio_devt); #define IIO_DEV_MAX 256 -static char *iio_devnode(struct device *dev, mode_t *mode) -{ - return kasprintf(GFP_KERNEL, "iio/%s", dev_name(dev)); -} - -struct class iio_class = { +struct bus_type iio_bus_type = { .name = "iio", - .devnode = iio_devnode, }; -EXPORT_SYMBOL(iio_class); +EXPORT_SYMBOL(iio_bus_type); void __iio_change_event(struct iio_detected_event_list *ev, int ev_code, @@ -405,7 +399,7 @@ int iio_setup_ev_int(struct iio_event_interface *ev_int, { int ret, minor; - ev_int->dev.class = &iio_class; + ev_int->dev.bus = &iio_bus_type; ev_int->dev.parent = dev; ev_int->dev.type = &iio_event_type; device_initialize(&ev_int->dev); @@ -478,23 +472,23 @@ static int __init iio_init(void) { int ret; - /* Create sysfs class */ - ret = class_register(&iio_class); + /* Register sysfs bus */ + ret = bus_register(&iio_bus_type); if (ret < 0) { printk(KERN_ERR - "%s could not create sysfs class\n", + "%s could not register bus type\n", __FILE__); goto error_nothing; } ret = iio_dev_init(); if (ret < 0) - goto error_unregister_class; + goto error_unregister_bus_type; return 0; -error_unregister_class: - class_unregister(&iio_class); +error_unregister_bus_type: + bus_unregister(&iio_bus_type); error_nothing: return ret; } @@ -502,7 +496,7 @@ error_nothing: static void __exit iio_exit(void) { iio_dev_exit(); - class_unregister(&iio_class); + bus_unregister(&iio_bus_type); } static int iio_device_register_sysfs(struct iio_dev *dev_info) @@ -667,8 +661,9 @@ static int iio_device_register_eventset(struct iio_dev *dev_info) dev_info->event_interfaces[i].id = ret; snprintf(dev_info->event_interfaces[i]._name, 20, - "event_line%d", - dev_info->event_interfaces[i].id); + "%s:event%d", + dev_name(&dev_info->dev), + dev_info->event_interfaces[i].id); ret = iio_setup_ev_int(&dev_info->event_interfaces[i], (const char *)(dev_info @@ -683,16 +678,14 @@ static int iio_device_register_eventset(struct iio_dev *dev_info) dev_info->event_interfaces[i].id); goto error_free_setup_ev_ints; } - } - for (i = 0; i < dev_info->num_interrupt_lines; i++) { - snprintf(dev_info->event_interfaces[i]._attrname, 20, - "event_line%d_sources", i); - dev_info->event_attrs[i].name - = (const char *) - (dev_info->event_interfaces[i]._attrname); - ret = sysfs_create_group(&dev_info->dev.kobj, - &dev_info->event_attrs[i]); + dev_set_drvdata(&dev_info->event_interfaces[i].dev, + (void *)dev_info); + ret = sysfs_create_group(&dev_info + ->event_interfaces[i] + .dev.kobj, + &dev_info->event_attrs[i]); + if (ret) { dev_err(&dev_info->dev, "Failed to register sysfs for event attrs"); @@ -714,13 +707,13 @@ error_unregister_config_attrs: i = dev_info->num_interrupt_lines - 1; error_remove_sysfs_interfaces: for (j = 0; j < i; j++) - sysfs_remove_group(&dev_info->dev.kobj, + sysfs_remove_group(&dev_info + ->event_interfaces[j].dev.kobj, &dev_info->event_attrs[j]); - i = dev_info->num_interrupt_lines - 1; error_free_setup_ev_ints: for (j = 0; j < i; j++) { iio_free_idr_val(&iio_event_idr, - dev_info->event_interfaces[i].id); + dev_info->event_interfaces[j].id); iio_free_ev_int(&dev_info->event_interfaces[j]); } kfree(dev_info->interrupts); @@ -738,7 +731,8 @@ static void iio_device_unregister_eventset(struct iio_dev *dev_info) if (dev_info->num_interrupt_lines == 0) return; for (i = 0; i < dev_info->num_interrupt_lines; i++) - sysfs_remove_group(&dev_info->dev.kobj, + sysfs_remove_group(&dev_info + ->event_interfaces[i].dev.kobj, &dev_info->event_attrs[i]); for (i = 0; i < dev_info->num_interrupt_lines; i++) { @@ -769,7 +763,7 @@ struct iio_dev *iio_allocate_device(void) if (dev) { dev->dev.type = &iio_dev_type; - dev->dev.class = &iio_class; + dev->dev.bus = &iio_bus_type; device_initialize(&dev->dev); dev_set_drvdata(&dev->dev, (void *)dev); mutex_init(&dev->mlock); @@ -810,7 +804,7 @@ int iio_device_register(struct iio_dev *dev_info) ret = iio_device_register_eventset(dev_info); if (ret) { dev_err(dev_info->dev.parent, - "Failed to register event set \n"); + "Failed to register event set\n"); goto error_free_sysfs; } if (dev_info->modes & INDIO_RING_TRIGGERED) |