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mtd: nand: rename the id field of 'struct nand_flash_dev'
The 'id' is a bit confusing name because NAND IDs are multi-byte. Re-name it to 'dev_id' to make it clear that this is the "device ID" part (the second byte). While on it, clean-up the commentary for 'struct nand_flash_dev'. Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> Acked-by: Brian Norris <computersforpeace@gmail.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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@ -379,7 +379,7 @@ static int DoC_IdentChip(struct DiskOnChip *doc, int floor, int chip)
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/* Print and store the manufacturer and ID codes. */
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for (i = 0; nand_flash_ids[i].name != NULL; i++) {
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if (id == nand_flash_ids[i].id) {
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if (id == nand_flash_ids[i].dev_id) {
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/* Try to identify manufacturer */
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for (j = 0; nand_manuf_ids[j].id != 0x0; j++) {
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if (nand_manuf_ids[j].id == mfr)
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@ -206,7 +206,7 @@ static int DoC_IdentChip(struct DiskOnChip *doc, int floor, int chip)
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/* FIXME: to deal with multi-flash on multi-Millennium case more carefully */
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for (i = 0; nand_flash_ids[i].name != NULL; i++) {
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if ( id == nand_flash_ids[i].id) {
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if ( id == nand_flash_ids[i].dev_id) {
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/* Try to identify manufacturer */
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for (j = 0; nand_manuf_ids[j].id != 0x0; j++) {
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if (nand_manuf_ids[j].id == mfr)
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@ -314,7 +314,7 @@ static int DoC_IdentChip(struct DiskOnChip *doc, int floor, int chip)
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return 0;
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for (i = 0; nand_flash_ids[i].name != NULL; i++) {
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if (id == nand_flash_ids[i].id) {
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if (id == nand_flash_ids[i].dev_id) {
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/* Try to identify manufacturer */
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for (j = 0; nand_manuf_ids[j].id != 0x0; j++) {
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if (nand_manuf_ids[j].id == mfr)
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@ -3142,7 +3142,7 @@ static struct nand_flash_dev *nand_get_flash_type(struct mtd_info *mtd,
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type = nand_flash_ids;
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for (; type->name != NULL; type++)
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if (*dev_id == type->id)
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if (*dev_id == type->dev_id)
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break;
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chip->onfi_version = 0;
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@ -766,9 +766,9 @@ static int init_nandsim(struct mtd_info *mtd)
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}
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/* Detect how many ID bytes the NAND chip outputs */
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for (i = 0; nand_flash_ids[i].name != NULL; i++) {
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if (second_id_byte != nand_flash_ids[i].id)
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continue;
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for (i = 0; nand_flash_ids[i].name != NULL; i++) {
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if (second_id_byte != nand_flash_ids[i].dev_id)
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continue;
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}
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if (ns->busw == 16)
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@ -989,7 +989,7 @@ static int pxa3xx_nand_scan(struct mtd_info *mtd)
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}
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pxa3xx_flash_ids[0].name = f->name;
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pxa3xx_flash_ids[0].id = (f->chip_id >> 8) & 0xffff;
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pxa3xx_flash_ids[0].dev_id = (f->chip_id >> 8) & 0xffff;
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pxa3xx_flash_ids[0].pagesize = f->page_size;
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chipsize = (uint64_t)f->num_blocks * f->page_per_block * f->page_size;
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pxa3xx_flash_ids[0].chipsize = chipsize >> 20;
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@ -548,19 +548,18 @@ struct nand_chip {
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/**
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* struct nand_flash_dev - NAND Flash Device ID Structure
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* @name: Identify the device type
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* @id: device ID code
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* @pagesize: Pagesize in bytes. Either 256 or 512 or 0
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* If the pagesize is 0, then the real pagesize
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* and the eraseize are determined from the
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* extended id bytes in the chip
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* @erasesize: Size of an erase block in the flash device.
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* @chipsize: Total chipsize in Mega Bytes
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* @options: Bitfield to store chip relevant options
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* @name: a human-readable name of the NAND chip
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* @dev_id: the device ID (the second byte of the full chip ID array)
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* @pagesize: size of the NAND page in bytes; if 0, then the real page size (as
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* well as the eraseblock size) is determined from the extended NAND
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* chip ID array)
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* @erasesize: eraseblock size in bytes (determined from the extended ID if 0)
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* @chipsize: total chip size in MiB
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* @options: stores various chip bit options
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*/
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struct nand_flash_dev {
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char *name;
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int id;
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int dev_id;
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unsigned long pagesize;
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unsigned long chipsize;
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unsigned long erasesize;
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