suspend() and resume() need kernel 2.6.22 or later

diff --git a/linux-core/drm_sysfs.c b/linux-core/drm_sysfs.c
index 6f8623c..caec120 100644 (file)
--- a/linux-core/drm_sysfs.c
+++ b/linux-core/drm_sysfs.c
@@ -89,8 +89,10 @@ struct class *drm_sysfs_create(struct module *owner, char *name)
                goto err_out;
        }
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22))
        class->suspend = drm_sysfs_suspend;
        class->resume = drm_sysfs_resume;
+#endif
 
        err = class_create_file(class, &class_attr_version);
        if (err)