| /Linux-v5.10/Documentation/driver-api/mmc/ |
| D | mmc-dev-attrs.rst | 35 preferred_erase_size Preferred erase size
47 "erase_size" is the minimum size, in bytes, of an erase
48 operation. For MMC, "erase_size" is the erase group size
54 SD/MMC cards can erase an arbitrarily large area up to and
58 1. A single erase command will make all other I/O on
62 duration of the erase - which could be a several
64 2. To be able to inform the user of erase progress.
65 3. The erase timeout becomes too large to be very
66 useful. Because the erase timeout contains a margin
67 which is multiplied by the size of the erase area,
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| /Linux-v5.10/drivers/mtd/spi-nor/ |
| D | core.c | 1089 struct spi_nor_erase_type *erase; in spi_nor_set_4byte_opcodes() local
1093 erase = &map->erase_type[i]; in spi_nor_set_4byte_opcodes()
1094 erase->opcode = in spi_nor_set_4byte_opcodes()
1095 spi_nor_convert_3to4_erase(erase->opcode); in spi_nor_set_4byte_opcodes()
1148 } else if (nor->controller_ops->erase) { in spi_nor_erase_sector()
1149 return nor->controller_ops->erase(nor, addr); in spi_nor_erase_sector()
1173 static u64 spi_nor_div_by_erase_size(const struct spi_nor_erase_type *erase, in spi_nor_div_by_erase_size() argument
1177 *remainder = (u32)dividend & erase->size_mask; in spi_nor_div_by_erase_size()
1178 return dividend >> erase->size_shift; in spi_nor_div_by_erase_size()
1199 const struct spi_nor_erase_type *erase; in spi_nor_find_best_erase_type() local
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| D | sfdp.c | 313 spi_nor_set_erase_settings_from_bfpt(struct spi_nor_erase_type *erase, in spi_nor_set_erase_settings_from_bfpt() argument
316 erase->idx = i; in spi_nor_set_erase_settings_from_bfpt()
317 spi_nor_set_erase_type(erase, size, opcode); in spi_nor_set_erase_settings_from_bfpt()
757 const struct spi_nor_erase_type *erase, in spi_nor_region_check_overlay() argument
765 if (region->size & erase[i].size_mask) { in spi_nor_region_check_overlay()
787 struct spi_nor_erase_type *erase = map->erase_type; in spi_nor_init_non_uniform_erase_map() local
816 spi_nor_region_check_overlay(®ion[i], erase, erase_type); in spi_nor_init_non_uniform_erase_map()
853 if (!(regions_erase_type & BIT(erase[i].idx))) in spi_nor_init_non_uniform_erase_map()
854 spi_nor_set_erase_type(&erase[i], 0, 0xFF); in spi_nor_init_non_uniform_erase_map()
1018 const struct sfdp_4bait *erase = &erases[i]; in spi_nor_parse_4bait() local
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| D | Kconfig | 14 bool "Use small 4096 B erase sectors"
25 4096 B erase size (e.g. UBIFS requires 15 KiB as a minimum).
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| /Linux-v5.10/drivers/mtd/ |
| D | mtdconcat.c | 369 struct erase_info *erase; in concat_erase() local
419 erase = kmalloc(sizeof (struct erase_info), GFP_KERNEL); in concat_erase()
421 if (!erase) in concat_erase()
424 *erase = *instr; in concat_erase()
433 if (subdev->size <= erase->addr) { in concat_erase()
434 erase->addr -= subdev->size; in concat_erase()
451 if (erase->addr + length > subdev->size) in concat_erase()
452 erase->len = subdev->size - erase->addr; in concat_erase()
454 erase->len = length; in concat_erase()
456 length -= erase->len; in concat_erase()
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| D | mtdpstore.c | 186 struct erase_info erase; in mtdpstore_erase_do() local
191 erase.len = cxt->mtd->erasesize; in mtdpstore_erase_do()
192 erase.addr = off; in mtdpstore_erase_do()
193 ret = mtd_erase(cxt->mtd, &erase); in mtdpstore_erase_do()
198 (unsigned long long)erase.addr, in mtdpstore_erase_do()
199 (unsigned long long)erase.len, cxt->info.device); in mtdpstore_erase_do()
431 cxt->dev.erase = mtdpstore_erase; in mtdpstore_notify_add()
451 struct erase_info erase; in mtdpstore_flush_removed_do() local
463 erase.len = mtd->erasesize; in mtdpstore_flush_removed_do()
464 erase.addr = off; in mtdpstore_flush_removed_do()
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| D | mtdoops.c | 79 struct erase_info erase; in mtdoops_erase_block() local
83 erase.addr = offset; in mtdoops_erase_block()
84 erase.len = mtd->erasesize; in mtdoops_erase_block()
86 ret = mtd_erase(mtd, &erase); in mtdoops_erase_block()
89 (unsigned long long)erase.addr, in mtdoops_erase_block()
90 (unsigned long long)erase.len, mtddev); in mtdoops_erase_block()
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| D | rfd_ftl.c | 273 struct erase_info *erase; in erase_block() local
276 erase = kmalloc(sizeof(struct erase_info), GFP_KERNEL); in erase_block()
277 if (!erase) in erase_block()
280 erase->addr = part->blocks[block].offset; in erase_block()
281 erase->len = part->block_size; in erase_block()
286 rc = mtd_erase(part->mbd.mtd, erase); in erase_block()
289 "failed\n", (unsigned long long)erase->addr, in erase_block()
290 (unsigned long long)erase->len, part->mbd.mtd->name); in erase_block()
317 kfree(erase); in erase_block()
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| D | mtdblock.c | 47 struct erase_info erase; in erase_write() local
54 erase.addr = pos; in erase_write()
55 erase.len = len; in erase_write()
57 ret = mtd_erase(mtd, &erase); in erase_write()
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| D | mtdchar.c | 730 struct erase_info *erase; in mtdchar_ioctl() local
732 erase=kzalloc(sizeof(struct erase_info),GFP_KERNEL); in mtdchar_ioctl()
733 if (!erase) in mtdchar_ioctl()
741 kfree(erase); in mtdchar_ioctl()
744 erase->addr = einfo64.start; in mtdchar_ioctl()
745 erase->len = einfo64.length; in mtdchar_ioctl()
751 kfree(erase); in mtdchar_ioctl()
754 erase->addr = einfo32.start; in mtdchar_ioctl()
755 erase->len = einfo32.length; in mtdchar_ioctl()
758 ret = mtd_erase(mtd, erase); in mtdchar_ioctl()
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| D | ftl.c | 333 struct erase_info *erase; in erase_xfer() local
342 erase=kmalloc(sizeof(struct erase_info), GFP_KERNEL); in erase_xfer()
343 if (!erase) in erase_xfer()
346 erase->addr = xfer->Offset; in erase_xfer()
347 erase->len = 1 << part->header.EraseUnitSize; in erase_xfer()
349 ret = mtd_erase(part->mbd.mtd, erase); in erase_xfer()
358 kfree(erase); in erase_xfer()
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| /Linux-v5.10/drivers/mtd/devices/ |
| D | powernv_flash.c | 165 static int powernv_flash_erase(struct mtd_info *mtd, struct erase_info *erase) in powernv_flash_erase() argument
169 rc = powernv_flash_async_op(mtd, FLASH_OP_ERASE, erase->addr, in powernv_flash_erase()
170 erase->len, NULL, NULL); in powernv_flash_erase()
172 erase->fail_addr = erase->addr; in powernv_flash_erase()
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| D | bcm47xxsflash.c | 69 static int bcm47xxsflash_erase(struct mtd_info *mtd, struct erase_info *erase) in bcm47xxsflash_erase() argument
76 b47s->cc_write(b47s, BCMA_CC_FLASHADDR, erase->addr); in bcm47xxsflash_erase()
87 b47s->cc_write(b47s, BCMA_CC_FLASHADDR, erase->addr << 1); in bcm47xxsflash_erase()
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| /Linux-v5.10/drivers/net/ethernet/sfc/ |
| D | mtd.c | 21 static int efx_mtd_erase(struct mtd_info *mtd, struct erase_info *erase) in efx_mtd_erase() argument
25 return efx->type->mtd_erase(mtd, erase->addr, erase->len); in efx_mtd_erase()
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| /Linux-v5.10/drivers/net/ethernet/sfc/falcon/ |
| D | mtd.c | 21 static int ef4_mtd_erase(struct mtd_info *mtd, struct erase_info *erase) in ef4_mtd_erase() argument
25 return efx->type->mtd_erase(mtd, erase->addr, erase->len); in ef4_mtd_erase()
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| /Linux-v5.10/drivers/fpga/ |
| D | machxo2-spi.c | 140 static const u8 erase[] = ISC_ERASE; in machxo2_cleanup() local
146 tx[0].tx_buf = &erase; in machxo2_cleanup()
147 tx[0].len = sizeof(erase); in machxo2_cleanup()
195 static const u8 erase[] = ISC_ERASE; in machxo2_write_init() local
216 tx[1].tx_buf = &erase; in machxo2_write_init()
217 tx[1].len = sizeof(erase); in machxo2_write_init()
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| /Linux-v5.10/Documentation/devicetree/bindings/mtd/partitions/ |
| D | brcm,bcm963xx-cfe-nor-partitions.txt | 5 NOR. The first erase block used for the CFE bootloader, the last for an
8 header found at beginning of the second erase block, containing the rootfs and
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| /Linux-v5.10/Documentation/driver-api/nvdimm/ |
| D | security.rst | 11 "unlock unit", "freeze lock", "secure erase", and "overwrite". A security_ops
31 erase <keyid> - delete existing user encryption key.
98 The command format for doing a secure erase is:
99 erase <keyid>
131 The command format for doing a master erase is:
134 This command has the same operating mechanism as erase except the master
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| /Linux-v5.10/drivers/mtd/ubi/ |
| D | attach.c | 236 } else if (list == &ai->erase) { in add_to_list()
652 &ai->erase); in ubi_add_to_av()
675 cmp_res & 4, &ai->erase); in ubi_add_to_av()
754 destroy_av(ai, av, &ai->erase); in ubi_remove_av()
837 list_for_each_entry_safe(aeb, tmp_aeb, &ai->erase, u.list) { in ubi_early_get_peb()
973 UBI_UNKNOWN, 0, &ai->erase); in scan_peb()
977 UBI_UNKNOWN, 1, &ai->erase); in scan_peb()
1104 UBI_UNKNOWN, ec, 1, &ai->erase); in scan_peb()
1113 ec, 1, &ai->erase); in scan_peb()
1120 UBI_UNKNOWN, ec, 1, &ai->erase); in scan_peb()
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| D | Kconfig | 20 erase counter value and the lowest erase counter value of eraseblocks
22 wear leveling by means of moving data from eraseblock with low erase
23 counter to eraseblocks with high erase counter.
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| /Linux-v5.10/lib/ |
| D | rbtree_test.c | 69 static inline void erase(struct test_node *node, struct rb_root_cached *root) in erase() function
263 erase(nodes + j, &root); in rbtree_test_init()
330 erase(nodes + i, &root); in rbtree_test_init()
341 erase(nodes + j, &root); in rbtree_test_init()
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| /Linux-v5.10/drivers/misc/eeprom/ |
| D | eeprom_93xx46.c | 331 int erase = 0, ret; in eeprom_93xx46_store_erase() local
333 sscanf(buf, "%d", &erase); in eeprom_93xx46_store_erase()
334 if (erase) { in eeprom_93xx46_store_erase()
347 static DEVICE_ATTR(erase, S_IWUSR, NULL, eeprom_93xx46_store_erase);
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| /Linux-v5.10/include/linux/ |
| D | pstore_zone.h | 53 pstore_zone_erase_op erase; member
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| D | pstore_blk.h | 83 pstore_zone_erase_op erase; member
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| /Linux-v5.10/drivers/mtd/nand/ |
| D | core.c | 134 return nand->ops->erase(nand, pos); in nanddev_erase()
230 if (!ops->erase || !ops->markbad || !ops->isbad) in nanddev_init()
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