Lines Matching refs:cell
430 static void nvmem_cell_entry_drop(struct nvmem_cell_entry *cell) in nvmem_cell_entry_drop() argument
432 blocking_notifier_call_chain(&nvmem_notifier, NVMEM_CELL_REMOVE, cell); in nvmem_cell_entry_drop()
434 list_del(&cell->node); in nvmem_cell_entry_drop()
436 of_node_put(cell->np); in nvmem_cell_entry_drop()
437 kfree_const(cell->name); in nvmem_cell_entry_drop()
438 kfree(cell); in nvmem_cell_entry_drop()
443 struct nvmem_cell_entry *cell, *p; in nvmem_device_remove_all_cells() local
445 list_for_each_entry_safe(cell, p, &nvmem->cells, node) in nvmem_device_remove_all_cells()
446 nvmem_cell_entry_drop(cell); in nvmem_device_remove_all_cells()
449 static void nvmem_cell_entry_add(struct nvmem_cell_entry *cell) in nvmem_cell_entry_add() argument
452 list_add_tail(&cell->node, &cell->nvmem->cells); in nvmem_cell_entry_add()
454 blocking_notifier_call_chain(&nvmem_notifier, NVMEM_CELL_ADD, cell); in nvmem_cell_entry_add()
459 struct nvmem_cell_entry *cell) in nvmem_cell_info_to_nvmem_cell_entry_nodup() argument
461 cell->nvmem = nvmem; in nvmem_cell_info_to_nvmem_cell_entry_nodup()
462 cell->offset = info->offset; in nvmem_cell_info_to_nvmem_cell_entry_nodup()
463 cell->bytes = info->bytes; in nvmem_cell_info_to_nvmem_cell_entry_nodup()
464 cell->name = info->name; in nvmem_cell_info_to_nvmem_cell_entry_nodup()
466 cell->bit_offset = info->bit_offset; in nvmem_cell_info_to_nvmem_cell_entry_nodup()
467 cell->nbits = info->nbits; in nvmem_cell_info_to_nvmem_cell_entry_nodup()
469 if (cell->nbits) in nvmem_cell_info_to_nvmem_cell_entry_nodup()
470 cell->bytes = DIV_ROUND_UP(cell->nbits + cell->bit_offset, in nvmem_cell_info_to_nvmem_cell_entry_nodup()
473 if (!IS_ALIGNED(cell->offset, nvmem->stride)) { in nvmem_cell_info_to_nvmem_cell_entry_nodup()
476 cell->name ?: "<unknown>", nvmem->stride); in nvmem_cell_info_to_nvmem_cell_entry_nodup()
485 struct nvmem_cell_entry *cell) in nvmem_cell_info_to_nvmem_cell_entry() argument
489 err = nvmem_cell_info_to_nvmem_cell_entry_nodup(nvmem, info, cell); in nvmem_cell_info_to_nvmem_cell_entry()
493 cell->name = kstrdup_const(info->name, GFP_KERNEL); in nvmem_cell_info_to_nvmem_cell_entry()
494 if (!cell->name) in nvmem_cell_info_to_nvmem_cell_entry()
579 struct nvmem_cell_entry *cell; in nvmem_add_cells_from_table() local
588 cell = kzalloc(sizeof(*cell), GFP_KERNEL); in nvmem_add_cells_from_table()
589 if (!cell) { in nvmem_add_cells_from_table()
594 rval = nvmem_cell_info_to_nvmem_cell_entry(nvmem, info, cell); in nvmem_add_cells_from_table()
596 kfree(cell); in nvmem_add_cells_from_table()
600 nvmem_cell_entry_add(cell); in nvmem_add_cells_from_table()
613 struct nvmem_cell_entry *iter, *cell = NULL; in nvmem_find_cell_entry_by_name() local
618 cell = iter; in nvmem_find_cell_entry_by_name()
624 return cell; in nvmem_find_cell_entry_by_name()
684 struct nvmem_cell_entry *cell; in nvmem_add_cells_from_of() local
700 cell = kzalloc(sizeof(*cell), GFP_KERNEL); in nvmem_add_cells_from_of()
701 if (!cell) { in nvmem_add_cells_from_of()
706 cell->nvmem = nvmem; in nvmem_add_cells_from_of()
707 cell->offset = be32_to_cpup(addr++); in nvmem_add_cells_from_of()
708 cell->bytes = be32_to_cpup(addr); in nvmem_add_cells_from_of()
709 cell->name = kasprintf(GFP_KERNEL, "%pOFn", child); in nvmem_add_cells_from_of()
713 cell->bit_offset = be32_to_cpup(addr++); in nvmem_add_cells_from_of()
714 cell->nbits = be32_to_cpup(addr); in nvmem_add_cells_from_of()
717 if (cell->nbits) in nvmem_add_cells_from_of()
718 cell->bytes = DIV_ROUND_UP( in nvmem_add_cells_from_of()
719 cell->nbits + cell->bit_offset, in nvmem_add_cells_from_of()
722 if (!IS_ALIGNED(cell->offset, nvmem->stride)) { in nvmem_add_cells_from_of()
724 cell->name, nvmem->stride); in nvmem_add_cells_from_of()
726 kfree_const(cell->name); in nvmem_add_cells_from_of()
727 kfree(cell); in nvmem_add_cells_from_of()
732 cell->np = of_node_get(child); in nvmem_add_cells_from_of()
733 nvmem_cell_entry_add(cell); in nvmem_add_cells_from_of()
1151 struct nvmem_cell *cell; in nvmem_create_cell() local
1154 cell = kzalloc(sizeof(*cell), GFP_KERNEL); in nvmem_create_cell()
1155 if (!cell) in nvmem_create_cell()
1161 kfree(cell); in nvmem_create_cell()
1166 cell->id = name; in nvmem_create_cell()
1167 cell->entry = entry; in nvmem_create_cell()
1169 return cell; in nvmem_create_cell()
1176 struct nvmem_cell *cell = ERR_PTR(-ENOENT); in nvmem_cell_get_from_lookup() local
1196 cell = ERR_CAST(nvmem); in nvmem_cell_get_from_lookup()
1204 cell = ERR_PTR(-ENOENT); in nvmem_cell_get_from_lookup()
1206 cell = nvmem_create_cell(cell_entry, con_id); in nvmem_cell_get_from_lookup()
1207 if (IS_ERR(cell)) in nvmem_cell_get_from_lookup()
1215 return cell; in nvmem_cell_get_from_lookup()
1222 struct nvmem_cell_entry *iter, *cell = NULL; in nvmem_find_cell_entry_by_node() local
1227 cell = iter; in nvmem_find_cell_entry_by_node()
1233 return cell; in nvmem_find_cell_entry_by_node()
1253 struct nvmem_cell *cell; in of_nvmem_cell_get() local
1279 cell = nvmem_create_cell(cell_entry, id); in of_nvmem_cell_get()
1280 if (IS_ERR(cell)) in of_nvmem_cell_get()
1283 return cell; in of_nvmem_cell_get()
1302 struct nvmem_cell *cell; in nvmem_cell_get() local
1305 cell = of_nvmem_cell_get(dev->of_node, id); in nvmem_cell_get()
1306 if (!IS_ERR(cell) || PTR_ERR(cell) == -EPROBE_DEFER) in nvmem_cell_get()
1307 return cell; in nvmem_cell_get()
1335 struct nvmem_cell **ptr, *cell; in devm_nvmem_cell_get() local
1341 cell = nvmem_cell_get(dev, id); in devm_nvmem_cell_get()
1342 if (!IS_ERR(cell)) { in devm_nvmem_cell_get()
1343 *ptr = cell; in devm_nvmem_cell_get()
1349 return cell; in devm_nvmem_cell_get()
1370 void devm_nvmem_cell_put(struct device *dev, struct nvmem_cell *cell) in devm_nvmem_cell_put() argument
1375 devm_nvmem_cell_match, cell); in devm_nvmem_cell_put()
1386 void nvmem_cell_put(struct nvmem_cell *cell) in nvmem_cell_put() argument
1388 struct nvmem_device *nvmem = cell->entry->nvmem; in nvmem_cell_put()
1390 if (cell->id) in nvmem_cell_put()
1391 kfree_const(cell->id); in nvmem_cell_put()
1393 kfree(cell); in nvmem_cell_put()
1398 static void nvmem_shift_read_buffer_in_place(struct nvmem_cell_entry *cell, void *buf) in nvmem_shift_read_buffer_in_place() argument
1401 int i, extra, bit_offset = cell->bit_offset; in nvmem_shift_read_buffer_in_place()
1409 for (i = 1; i < cell->bytes; i++) { in nvmem_shift_read_buffer_in_place()
1418 p += cell->bytes - 1; in nvmem_shift_read_buffer_in_place()
1422 extra = cell->bytes - DIV_ROUND_UP(cell->nbits, BITS_PER_BYTE); in nvmem_shift_read_buffer_in_place()
1427 if (cell->nbits % BITS_PER_BYTE) in nvmem_shift_read_buffer_in_place()
1428 *p &= GENMASK((cell->nbits % BITS_PER_BYTE) - 1, 0); in nvmem_shift_read_buffer_in_place()
1432 struct nvmem_cell_entry *cell, in __nvmem_cell_read() argument
1437 rc = nvmem_reg_read(nvmem, cell->offset, buf, cell->bytes); in __nvmem_cell_read()
1443 if (cell->bit_offset || cell->nbits) in __nvmem_cell_read()
1444 nvmem_shift_read_buffer_in_place(cell, buf); in __nvmem_cell_read()
1448 cell->offset, buf, cell->bytes); in __nvmem_cell_read()
1454 *len = cell->bytes; in __nvmem_cell_read()
1469 void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len) in nvmem_cell_read() argument
1471 struct nvmem_device *nvmem = cell->entry->nvmem; in nvmem_cell_read()
1478 buf = kzalloc(cell->entry->bytes, GFP_KERNEL); in nvmem_cell_read()
1482 rc = __nvmem_cell_read(nvmem, cell->entry, buf, len, cell->id); in nvmem_cell_read()
1492 static void *nvmem_cell_prepare_write_buffer(struct nvmem_cell_entry *cell, in nvmem_cell_prepare_write_buffer() argument
1495 struct nvmem_device *nvmem = cell->nvmem; in nvmem_cell_prepare_write_buffer()
1496 int i, rc, nbits, bit_offset = cell->bit_offset; in nvmem_cell_prepare_write_buffer()
1499 nbits = cell->nbits; in nvmem_cell_prepare_write_buffer()
1500 buf = kzalloc(cell->bytes, GFP_KERNEL); in nvmem_cell_prepare_write_buffer()
1512 rc = nvmem_reg_read(nvmem, cell->offset, &v, 1); in nvmem_cell_prepare_write_buffer()
1518 for (i = 1; i < cell->bytes; i++) { in nvmem_cell_prepare_write_buffer()
1532 cell->offset + cell->bytes - 1, &v, 1); in nvmem_cell_prepare_write_buffer()
1545 static int __nvmem_cell_entry_write(struct nvmem_cell_entry *cell, void *buf, size_t len) in __nvmem_cell_entry_write() argument
1547 struct nvmem_device *nvmem = cell->nvmem; in __nvmem_cell_entry_write()
1551 (cell->bit_offset == 0 && len != cell->bytes)) in __nvmem_cell_entry_write()
1554 if (cell->bit_offset || cell->nbits) { in __nvmem_cell_entry_write()
1555 buf = nvmem_cell_prepare_write_buffer(cell, buf, len); in __nvmem_cell_entry_write()
1560 rc = nvmem_reg_write(nvmem, cell->offset, buf, cell->bytes); in __nvmem_cell_entry_write()
1563 if (cell->bit_offset || cell->nbits) in __nvmem_cell_entry_write()
1581 int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len) in nvmem_cell_write() argument
1583 return __nvmem_cell_entry_write(cell->entry, buf, len); in nvmem_cell_write()
1591 struct nvmem_cell *cell; in nvmem_cell_read_common() local
1595 cell = nvmem_cell_get(dev, cell_id); in nvmem_cell_read_common()
1596 if (IS_ERR(cell)) in nvmem_cell_read_common()
1597 return PTR_ERR(cell); in nvmem_cell_read_common()
1599 buf = nvmem_cell_read(cell, &len); in nvmem_cell_read_common()
1601 nvmem_cell_put(cell); in nvmem_cell_read_common()
1606 nvmem_cell_put(cell); in nvmem_cell_read_common()
1611 nvmem_cell_put(cell); in nvmem_cell_read_common()
1680 struct nvmem_cell *cell; in nvmem_cell_read_variable_common() local
1684 cell = nvmem_cell_get(dev, cell_id); in nvmem_cell_read_variable_common()
1685 if (IS_ERR(cell)) in nvmem_cell_read_variable_common()
1686 return cell; in nvmem_cell_read_variable_common()
1688 nbits = cell->entry->nbits; in nvmem_cell_read_variable_common()
1689 buf = nvmem_cell_read(cell, len); in nvmem_cell_read_variable_common()
1690 nvmem_cell_put(cell); in nvmem_cell_read_variable_common()
1784 struct nvmem_cell_entry cell; in nvmem_device_cell_read() local
1791 rc = nvmem_cell_info_to_nvmem_cell_entry_nodup(nvmem, info, &cell); in nvmem_device_cell_read()
1795 rc = __nvmem_cell_read(nvmem, &cell, buf, &len, NULL); in nvmem_device_cell_read()
1815 struct nvmem_cell_entry cell; in nvmem_device_cell_write() local
1821 rc = nvmem_cell_info_to_nvmem_cell_entry_nodup(nvmem, info, &cell); in nvmem_device_cell_write()
1825 return __nvmem_cell_entry_write(&cell, buf, cell.bytes); in nvmem_device_cell_write()