-static struct sysfs_device *get_sysfs_device(struct sysfs_class_device *class_dev)
-{
- struct sysfs_device *sysfs_device;
- struct sysfs_class_device *class_dev_parent;
- int loop;
- char filename[SYSFS_PATH_MAX + 6];
- int retval;
- char *temp;
- int partition = 0;
-
- /* Figure out where the device symlink is at. For char devices this will
- * always be in the class_dev->path. But for block devices, it's different.
- * The main block device will have the device symlink in it's path, but
- * all partitions have the symlink in its parent directory.
- * But we need to watch out for block devices that do not have parents, yet
- * look like a partition (fd0, loop0, etc.) They all do not have a device
- * symlink yet. We do sit and spin on waiting for them right now, we should
- * possibly have a whitelist for these devices here...
- */
- strcpy(filename, class_dev->path);
- dbg("filename = %s", filename);
- if (strcmp(class_dev->classname, SYSFS_BLOCK_NAME) == 0) {
- if (isdigit(class_dev->path[strlen(class_dev->path)-1])) {
- temp = strrchr(filename, '/');
- if (temp) {
- char *temp2 = strrchr(filename, '/');
- partition = 1;
- *temp = 0x00;
- dbg("temp2 = %s", temp2);
- if (temp2 && (strcmp(temp2, "/block") == 0)) {
- /* oops, we have no parent block device, so go back to original directory */
- strcpy(filename, class_dev->path);
- partition = 0;
- }
- }
- }
- }
- strcat(filename, "/device");
-
- loop = 2;
- while (loop--) {
- struct stat buf;
- dbg("looking for '%s'", filename);
- retval = stat(filename, &buf);
- if (!retval)
- break;
- /* sleep to give the kernel a chance to create the device file */
- sleep(1);
- }
-
- loop = 1; /* FIXME put a real value in here for when everything is fixed... */
- while (loop--) {
- /* find the sysfs_device for this class device */
- /* Wouldn't it really be nice if libsysfs could do this for us? */
- sysfs_device = sysfs_get_classdev_device(class_dev);
- if (sysfs_device != NULL)
- goto exit;
-
- /* if it's a partition, we need to get the parent device */
- if (partition) {
- /* FIXME HACK HACK HACK HACK
- * for some reason partitions need this extra sleep here, in order
- * to wait for the device properly. Once the libsysfs code is
- * fixed properly, this sleep should go away, and we can just loop above.
- */
- sleep(1);
- dbg("really is a partition");
- class_dev_parent = sysfs_get_classdev_parent(class_dev);
- if (class_dev_parent == NULL) {
- dbg("sysfs_get_classdev_parent for class device '%s' failed", class_dev->name);
- } else {
- dbg("class_dev_parent->name='%s'", class_dev_parent->name);
- sysfs_device = sysfs_get_classdev_device(class_dev_parent);
- if (sysfs_device != NULL)
- goto exit;
- }
- }
- /* sleep to give the kernel a chance to create the link */
- /* FIXME remove comment...
- sleep(1); */
- }
- dbg("Timed out waiting for device symlink, continuing on anyway...");
-exit:
- return sysfs_device;
-}
-
-int namedev_name_device(struct sysfs_class_device *class_dev, struct udevice *udev)