diff options
Diffstat (limited to 'drivers/gpu/drm/drm_sysfs.c')
| -rw-r--r-- | drivers/gpu/drm/drm_sysfs.c | 47 |
1 files changed, 25 insertions, 22 deletions
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 7e42b7e9d43a..101d381e9d86 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -14,6 +14,7 @@ #include <linux/device.h> #include <linux/kdev_t.h> +#include <linux/gfp.h> #include <linux/err.h> #include "drm_sysfs.h" @@ -70,19 +71,17 @@ static int drm_class_resume(struct device *dev) return 0; } -/* Display the version of drm_core. This doesn't work right in current design */ -static ssize_t version_show(struct class *dev, char *buf) -{ - return sprintf(buf, "%s %d.%d.%d %s\n", CORE_NAME, CORE_MAJOR, - CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE); -} - static char *drm_devnode(struct device *dev, mode_t *mode) { return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev)); } -static CLASS_ATTR(version, S_IRUGO, version_show, NULL); +static CLASS_ATTR_STRING(version, S_IRUGO, + CORE_NAME " " + __stringify(CORE_MAJOR) "." + __stringify(CORE_MINOR) "." + __stringify(CORE_PATCHLEVEL) " " + CORE_DATE); /** * drm_sysfs_create - create a struct drm_sysfs_class structure @@ -109,7 +108,7 @@ struct class *drm_sysfs_create(struct module *owner, char *name) class->suspend = drm_class_suspend; class->resume = drm_class_resume; - err = class_create_file(class, &class_attr_version); + err = class_create_file(class, &class_attr_version.attr); if (err) goto err_out_class; @@ -132,7 +131,7 @@ void drm_sysfs_destroy(void) { if ((drm_class == NULL) || (IS_ERR(drm_class))) return; - class_remove_file(drm_class, &class_attr_version); + class_remove_file(drm_class, &class_attr_version.attr); class_destroy(drm_class); } @@ -194,8 +193,9 @@ static ssize_t enabled_show(struct device *device, "disabled"); } -static ssize_t edid_show(struct kobject *kobj, struct bin_attribute *attr, - char *buf, loff_t off, size_t count) +static ssize_t edid_show(struct file *filp, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t off, + size_t count) { struct device *connector_dev = container_of(kobj, struct device, kobj); struct drm_connector *connector = to_drm_connector(connector_dev); @@ -334,7 +334,7 @@ static struct device_attribute connector_attrs_opt1[] = { static struct bin_attribute edid_attr = { .attr.name = "edid", .attr.mode = 0444, - .size = 128, + .size = 0, .read = edid_show, }; @@ -355,7 +355,10 @@ static struct bin_attribute edid_attr = { int drm_sysfs_connector_add(struct drm_connector *connector) { struct drm_device *dev = connector->dev; - int ret = 0, i, j; + int attr_cnt = 0; + int opt_cnt = 0; + int i; + int ret = 0; /* We shouldn't get called more than once for the same connector */ BUG_ON(device_is_registered(&connector->kdev)); @@ -378,8 +381,8 @@ int drm_sysfs_connector_add(struct drm_connector *connector) /* Standard attributes */ - for (i = 0; i < ARRAY_SIZE(connector_attrs); i++) { - ret = device_create_file(&connector->kdev, &connector_attrs[i]); + for (attr_cnt = 0; attr_cnt < ARRAY_SIZE(connector_attrs); attr_cnt++) { + ret = device_create_file(&connector->kdev, &connector_attrs[attr_cnt]); if (ret) goto err_out_files; } @@ -395,8 +398,8 @@ int drm_sysfs_connector_add(struct drm_connector *connector) case DRM_MODE_CONNECTOR_SVIDEO: case DRM_MODE_CONNECTOR_Component: case DRM_MODE_CONNECTOR_TV: - for (i = 0; i < ARRAY_SIZE(connector_attrs_opt1); i++) { - ret = device_create_file(&connector->kdev, &connector_attrs_opt1[i]); + for (opt_cnt = 0; opt_cnt < ARRAY_SIZE(connector_attrs_opt1); opt_cnt++) { + ret = device_create_file(&connector->kdev, &connector_attrs_opt1[opt_cnt]); if (ret) goto err_out_files; } @@ -415,10 +418,10 @@ int drm_sysfs_connector_add(struct drm_connector *connector) return 0; err_out_files: - if (i > 0) - for (j = 0; j < i; j++) - device_remove_file(&connector->kdev, - &connector_attrs[i]); + for (i = 0; i < opt_cnt; i++) + device_remove_file(&connector->kdev, &connector_attrs_opt1[i]); + for (i = 0; i < attr_cnt; i++) + device_remove_file(&connector->kdev, &connector_attrs[i]); device_unregister(&connector->kdev); out: |