Lines Matching refs:from
193 * @from: the first in the desired range of device numbers; must include
200 int register_chrdev_region(dev_t from, unsigned count, const char *name)
203 dev_t to = from + count;
206 for (n = from; n < to; n = next) {
218 for (n = from; n < to; n = next) {
304 * @from: the first in the range of numbers to unregister
308 * starting with @from. The caller should normally be the one who
311 void unregister_chrdev_region(dev_t from, unsigned count)
313 dev_t to = from + count;
316 for (n = from; n < to; n = next) {
529 * The dev_t for the char device will be taken from the struct device which
591 * cdev_del() - remove a cdev from the system
594 * cdev_del() removes @p from the system, possibly freeing the structure