Lines Matching refs:cell
339 static void nvmem_cell_drop(struct nvmem_cell *cell) in nvmem_cell_drop() argument
341 blocking_notifier_call_chain(&nvmem_notifier, NVMEM_CELL_REMOVE, cell); in nvmem_cell_drop()
343 list_del(&cell->node); in nvmem_cell_drop()
345 of_node_put(cell->np); in nvmem_cell_drop()
346 kfree_const(cell->name); in nvmem_cell_drop()
347 kfree(cell); in nvmem_cell_drop()
352 struct nvmem_cell *cell, *p; in nvmem_device_remove_all_cells() local
354 list_for_each_entry_safe(cell, p, &nvmem->cells, node) in nvmem_device_remove_all_cells()
355 nvmem_cell_drop(cell); in nvmem_device_remove_all_cells()
358 static void nvmem_cell_add(struct nvmem_cell *cell) in nvmem_cell_add() argument
361 list_add_tail(&cell->node, &cell->nvmem->cells); in nvmem_cell_add()
363 blocking_notifier_call_chain(&nvmem_notifier, NVMEM_CELL_ADD, cell); in nvmem_cell_add()
368 struct nvmem_cell *cell) in nvmem_cell_info_to_nvmem_cell_nodup() argument
370 cell->nvmem = nvmem; in nvmem_cell_info_to_nvmem_cell_nodup()
371 cell->offset = info->offset; in nvmem_cell_info_to_nvmem_cell_nodup()
372 cell->bytes = info->bytes; in nvmem_cell_info_to_nvmem_cell_nodup()
373 cell->name = info->name; in nvmem_cell_info_to_nvmem_cell_nodup()
375 cell->bit_offset = info->bit_offset; in nvmem_cell_info_to_nvmem_cell_nodup()
376 cell->nbits = info->nbits; in nvmem_cell_info_to_nvmem_cell_nodup()
378 if (cell->nbits) in nvmem_cell_info_to_nvmem_cell_nodup()
379 cell->bytes = DIV_ROUND_UP(cell->nbits + cell->bit_offset, in nvmem_cell_info_to_nvmem_cell_nodup()
382 if (!IS_ALIGNED(cell->offset, nvmem->stride)) { in nvmem_cell_info_to_nvmem_cell_nodup()
385 cell->name ?: "<unknown>", nvmem->stride); in nvmem_cell_info_to_nvmem_cell_nodup()
394 struct nvmem_cell *cell) in nvmem_cell_info_to_nvmem_cell() argument
398 err = nvmem_cell_info_to_nvmem_cell_nodup(nvmem, info, cell); in nvmem_cell_info_to_nvmem_cell()
402 cell->name = kstrdup_const(info->name, GFP_KERNEL); in nvmem_cell_info_to_nvmem_cell()
403 if (!cell->name) in nvmem_cell_info_to_nvmem_cell()
488 struct nvmem_cell *cell; in nvmem_add_cells_from_table() local
497 cell = kzalloc(sizeof(*cell), GFP_KERNEL); in nvmem_add_cells_from_table()
498 if (!cell) { in nvmem_add_cells_from_table()
505 cell); in nvmem_add_cells_from_table()
507 kfree(cell); in nvmem_add_cells_from_table()
511 nvmem_cell_add(cell); in nvmem_add_cells_from_table()
524 struct nvmem_cell *iter, *cell = NULL; in nvmem_find_cell_by_name() local
529 cell = iter; in nvmem_find_cell_by_name()
535 return cell; in nvmem_find_cell_by_name()
542 struct nvmem_cell *cell; in nvmem_add_cells_from_of() local
558 cell = kzalloc(sizeof(*cell), GFP_KERNEL); in nvmem_add_cells_from_of()
559 if (!cell) { in nvmem_add_cells_from_of()
564 cell->nvmem = nvmem; in nvmem_add_cells_from_of()
565 cell->offset = be32_to_cpup(addr++); in nvmem_add_cells_from_of()
566 cell->bytes = be32_to_cpup(addr); in nvmem_add_cells_from_of()
567 cell->name = kasprintf(GFP_KERNEL, "%pOFn", child); in nvmem_add_cells_from_of()
571 cell->bit_offset = be32_to_cpup(addr++); in nvmem_add_cells_from_of()
572 cell->nbits = be32_to_cpup(addr); in nvmem_add_cells_from_of()
575 if (cell->nbits) in nvmem_add_cells_from_of()
576 cell->bytes = DIV_ROUND_UP( in nvmem_add_cells_from_of()
577 cell->nbits + cell->bit_offset, in nvmem_add_cells_from_of()
580 if (!IS_ALIGNED(cell->offset, nvmem->stride)) { in nvmem_add_cells_from_of()
582 cell->name, nvmem->stride); in nvmem_add_cells_from_of()
584 kfree_const(cell->name); in nvmem_add_cells_from_of()
585 kfree(cell); in nvmem_add_cells_from_of()
590 cell->np = of_node_get(child); in nvmem_add_cells_from_of()
591 nvmem_cell_add(cell); in nvmem_add_cells_from_of()
997 struct nvmem_cell *cell = ERR_PTR(-ENOENT); in nvmem_cell_get_from_lookup() local
1017 cell = ERR_CAST(nvmem); in nvmem_cell_get_from_lookup()
1021 cell = nvmem_find_cell_by_name(nvmem, in nvmem_cell_get_from_lookup()
1023 if (!cell) { in nvmem_cell_get_from_lookup()
1025 cell = ERR_PTR(-ENOENT); in nvmem_cell_get_from_lookup()
1032 return cell; in nvmem_cell_get_from_lookup()
1039 struct nvmem_cell *iter, *cell = NULL; in nvmem_find_cell_by_node() local
1044 cell = iter; in nvmem_find_cell_by_node()
1050 return cell; in nvmem_find_cell_by_node()
1069 struct nvmem_cell *cell; in of_nvmem_cell_get() local
1089 cell = nvmem_find_cell_by_node(nvmem, cell_np); in of_nvmem_cell_get()
1090 if (!cell) { in of_nvmem_cell_get()
1095 return cell; in of_nvmem_cell_get()
1114 struct nvmem_cell *cell; in nvmem_cell_get() local
1117 cell = of_nvmem_cell_get(dev->of_node, id); in nvmem_cell_get()
1118 if (!IS_ERR(cell) || PTR_ERR(cell) == -EPROBE_DEFER) in nvmem_cell_get()
1119 return cell; in nvmem_cell_get()
1147 struct nvmem_cell **ptr, *cell; in devm_nvmem_cell_get() local
1153 cell = nvmem_cell_get(dev, id); in devm_nvmem_cell_get()
1154 if (!IS_ERR(cell)) { in devm_nvmem_cell_get()
1155 *ptr = cell; in devm_nvmem_cell_get()
1161 return cell; in devm_nvmem_cell_get()
1182 void devm_nvmem_cell_put(struct device *dev, struct nvmem_cell *cell) in devm_nvmem_cell_put() argument
1187 devm_nvmem_cell_match, cell); in devm_nvmem_cell_put()
1198 void nvmem_cell_put(struct nvmem_cell *cell) in nvmem_cell_put() argument
1200 struct nvmem_device *nvmem = cell->nvmem; in nvmem_cell_put()
1206 static void nvmem_shift_read_buffer_in_place(struct nvmem_cell *cell, void *buf) in nvmem_shift_read_buffer_in_place() argument
1209 int i, extra, bit_offset = cell->bit_offset; in nvmem_shift_read_buffer_in_place()
1217 for (i = 1; i < cell->bytes; i++) { in nvmem_shift_read_buffer_in_place()
1226 p += cell->bytes - 1; in nvmem_shift_read_buffer_in_place()
1230 extra = cell->bytes - DIV_ROUND_UP(cell->nbits, BITS_PER_BYTE); in nvmem_shift_read_buffer_in_place()
1235 if (cell->nbits % BITS_PER_BYTE) in nvmem_shift_read_buffer_in_place()
1236 *p &= GENMASK((cell->nbits % BITS_PER_BYTE) - 1, 0); in nvmem_shift_read_buffer_in_place()
1240 struct nvmem_cell *cell, in __nvmem_cell_read() argument
1245 rc = nvmem_reg_read(nvmem, cell->offset, buf, cell->bytes); in __nvmem_cell_read()
1251 if (cell->bit_offset || cell->nbits) in __nvmem_cell_read()
1252 nvmem_shift_read_buffer_in_place(cell, buf); in __nvmem_cell_read()
1255 *len = cell->bytes; in __nvmem_cell_read()
1270 void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len) in nvmem_cell_read() argument
1272 struct nvmem_device *nvmem = cell->nvmem; in nvmem_cell_read()
1279 buf = kzalloc(cell->bytes, GFP_KERNEL); in nvmem_cell_read()
1283 rc = __nvmem_cell_read(nvmem, cell, buf, len); in nvmem_cell_read()
1293 static void *nvmem_cell_prepare_write_buffer(struct nvmem_cell *cell, in nvmem_cell_prepare_write_buffer() argument
1296 struct nvmem_device *nvmem = cell->nvmem; in nvmem_cell_prepare_write_buffer()
1297 int i, rc, nbits, bit_offset = cell->bit_offset; in nvmem_cell_prepare_write_buffer()
1300 nbits = cell->nbits; in nvmem_cell_prepare_write_buffer()
1301 buf = kzalloc(cell->bytes, GFP_KERNEL); in nvmem_cell_prepare_write_buffer()
1313 rc = nvmem_reg_read(nvmem, cell->offset, &v, 1); in nvmem_cell_prepare_write_buffer()
1319 for (i = 1; i < cell->bytes; i++) { in nvmem_cell_prepare_write_buffer()
1333 cell->offset + cell->bytes - 1, &v, 1); in nvmem_cell_prepare_write_buffer()
1355 int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len) in nvmem_cell_write() argument
1357 struct nvmem_device *nvmem = cell->nvmem; in nvmem_cell_write()
1361 (cell->bit_offset == 0 && len != cell->bytes)) in nvmem_cell_write()
1364 if (cell->bit_offset || cell->nbits) { in nvmem_cell_write()
1365 buf = nvmem_cell_prepare_write_buffer(cell, buf, len); in nvmem_cell_write()
1370 rc = nvmem_reg_write(nvmem, cell->offset, buf, cell->bytes); in nvmem_cell_write()
1373 if (cell->bit_offset || cell->nbits) in nvmem_cell_write()
1386 struct nvmem_cell *cell; in nvmem_cell_read_common() local
1390 cell = nvmem_cell_get(dev, cell_id); in nvmem_cell_read_common()
1391 if (IS_ERR(cell)) in nvmem_cell_read_common()
1392 return PTR_ERR(cell); in nvmem_cell_read_common()
1394 buf = nvmem_cell_read(cell, &len); in nvmem_cell_read_common()
1396 nvmem_cell_put(cell); in nvmem_cell_read_common()
1401 nvmem_cell_put(cell); in nvmem_cell_read_common()
1406 nvmem_cell_put(cell); in nvmem_cell_read_common()
1484 struct nvmem_cell cell; in nvmem_device_cell_read() local
1491 rc = nvmem_cell_info_to_nvmem_cell_nodup(nvmem, info, &cell); in nvmem_device_cell_read()
1495 rc = __nvmem_cell_read(nvmem, &cell, buf, &len); in nvmem_device_cell_read()
1515 struct nvmem_cell cell; in nvmem_device_cell_write() local
1521 rc = nvmem_cell_info_to_nvmem_cell_nodup(nvmem, info, &cell); in nvmem_device_cell_write()
1525 return nvmem_cell_write(&cell, buf, cell.bytes); in nvmem_device_cell_write()