diff options
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/device.c | 36 | ||||
| -rw-r--r-- | drivers/of/platform.c | 3 |
2 files changed, 23 insertions, 16 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c index 29681c4b700..8fbfeee53c1 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -48,16 +48,32 @@ void of_dev_put(struct of_device *dev) } EXPORT_SYMBOL(of_dev_put); -static ssize_t dev_show_devspec(struct device *dev, +static ssize_t devspec_show(struct device *dev, struct device_attribute *attr, char *buf) { struct of_device *ofdev; ofdev = to_of_device(dev); - return sprintf(buf, "%s", ofdev->node->full_name); + return sprintf(buf, "%s\n", ofdev->node->full_name); } -static DEVICE_ATTR(devspec, S_IRUGO, dev_show_devspec, NULL); +static ssize_t modalias_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct of_device *ofdev = to_of_device(dev); + ssize_t len = 0; + + len = of_device_get_modalias(ofdev, buf, PAGE_SIZE - 2); + buf[len] = '\n'; + buf[len+1] = 0; + return len+1; +} + +struct device_attribute of_platform_device_attrs[] = { + __ATTR_RO(devspec), + __ATTR_RO(modalias), + __ATTR_NULL +}; /** * of_release_dev - free an of device structure when all users of it are finished. @@ -78,25 +94,13 @@ EXPORT_SYMBOL(of_release_dev); int of_device_register(struct of_device *ofdev) { - int rc; - BUG_ON(ofdev->node == NULL); - - rc = device_register(&ofdev->dev); - if (rc) - return rc; - - rc = device_create_file(&ofdev->dev, &dev_attr_devspec); - if (rc) - device_unregister(&ofdev->dev); - - return rc; + return device_register(&ofdev->dev); } EXPORT_SYMBOL(of_device_register); void of_device_unregister(struct of_device *ofdev) { - device_remove_file(&ofdev->dev, &dev_attr_devspec); device_unregister(&ofdev->dev); } EXPORT_SYMBOL(of_device_unregister); diff --git a/drivers/of/platform.c b/drivers/of/platform.c index ca09a63a64d..298de0f95d7 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -17,6 +17,8 @@ #include <linux/of_device.h> #include <linux/of_platform.h> +extern struct device_attribute of_platform_device_attrs[]; + static int of_platform_bus_match(struct device *dev, struct device_driver *drv) { struct of_device *of_dev = to_of_device(dev); @@ -103,6 +105,7 @@ int of_bus_type_init(struct bus_type *bus, const char *name) bus->suspend = of_platform_device_suspend; bus->resume = of_platform_device_resume; bus->shutdown = of_platform_device_shutdown; + bus->dev_attrs = of_platform_device_attrs; return bus_register(bus); } |