From 1394a7265f88e1fbd001048113f28fb090e5eff5 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Thu, 23 Mar 2017 05:07:17 +0900 Subject: [PATCH] mtd: nand: denali: use nand_chip to hold frequently accessed data The denali_init() needs to setup a bunch of parameters of nand_chip. Replace denali->nand.(member) with chip->(member) for shorter code. Signed-off-by: Masahiro Yamada Signed-off-by: Boris Brezillon --- drivers/mtd/nand/denali.c | 68 +++++++++++++++++++-------------------- 1 file changed, 34 insertions(+), 34 deletions(-) diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c index 2c59eb3c117e..4b907a5bdb25 100644 --- a/drivers/mtd/nand/denali.c +++ b/drivers/mtd/nand/denali.c @@ -1405,7 +1405,8 @@ static void denali_drv_init(struct denali_nand_info *denali) int denali_init(struct denali_nand_info *denali) { - struct mtd_info *mtd = nand_to_mtd(&denali->nand); + struct nand_chip *chip = &denali->nand; + struct mtd_info *mtd = nand_to_mtd(chip); int ret; if (denali->platform == INTEL_CE4100) { @@ -1442,10 +1443,10 @@ int denali_init(struct denali_nand_info *denali) mtd->name = "denali-nand"; /* register the driver with the NAND core subsystem */ - denali->nand.select_chip = denali_select_chip; - denali->nand.cmdfunc = denali_cmdfunc; - denali->nand.read_byte = denali_read_byte; - denali->nand.waitfunc = denali_waitfunc; + chip->select_chip = denali_select_chip; + chip->cmdfunc = denali_cmdfunc; + chip->read_byte = denali_read_byte; + chip->waitfunc = denali_waitfunc; /* * scan for NAND devices attached to the controller @@ -1488,17 +1489,16 @@ int denali_init(struct denali_nand_info *denali) * the real pagesize and anything necessery */ denali->devnum = ioread32(denali->flash_reg + DEVICES_CONNECTED); - denali->nand.chipsize <<= denali->devnum - 1; - denali->nand.page_shift += denali->devnum - 1; - denali->nand.pagemask = (denali->nand.chipsize >> - denali->nand.page_shift) - 1; - denali->nand.bbt_erase_shift += denali->devnum - 1; - denali->nand.phys_erase_shift = denali->nand.bbt_erase_shift; - denali->nand.chip_shift += denali->devnum - 1; + chip->chipsize <<= denali->devnum - 1; + chip->page_shift += denali->devnum - 1; + chip->pagemask = (chip->chipsize >> chip->page_shift) - 1; + chip->bbt_erase_shift += denali->devnum - 1; + chip->phys_erase_shift = chip->bbt_erase_shift; + chip->chip_shift += denali->devnum - 1; mtd->writesize <<= denali->devnum - 1; mtd->oobsize <<= denali->devnum - 1; mtd->erasesize <<= denali->devnum - 1; - mtd->size = denali->nand.numchips * denali->nand.chipsize; + mtd->size = chip->numchips * chip->chipsize; denali->bbtskipbytes *= denali->devnum; /* @@ -1508,29 +1508,29 @@ int denali_init(struct denali_nand_info *denali) */ /* Bad block management */ - denali->nand.bbt_td = &bbt_main_descr; - denali->nand.bbt_md = &bbt_mirror_descr; + chip->bbt_td = &bbt_main_descr; + chip->bbt_md = &bbt_mirror_descr; /* skip the scan for now until we have OOB read and write support */ - denali->nand.bbt_options |= NAND_BBT_USE_FLASH; - denali->nand.options |= NAND_SKIP_BBTSCAN; - denali->nand.ecc.mode = NAND_ECC_HW_SYNDROME; + chip->bbt_options |= NAND_BBT_USE_FLASH; + chip->options |= NAND_SKIP_BBTSCAN; + chip->ecc.mode = NAND_ECC_HW_SYNDROME; /* no subpage writes on denali */ - denali->nand.options |= NAND_NO_SUBPAGE_WRITE; + chip->options |= NAND_NO_SUBPAGE_WRITE; /* * Denali Controller only support 15bit and 8bit ECC in MRST, * so just let controller do 15bit ECC for MLC and 8bit ECC for * SLC if possible. * */ - if (!nand_is_slc(&denali->nand) && + if (!nand_is_slc(chip) && (mtd->oobsize > (denali->bbtskipbytes + ECC_15BITS * (mtd->writesize / ECC_SECTOR_SIZE)))) { /* if MLC OOB size is large enough, use 15bit ECC*/ - denali->nand.ecc.strength = 15; - denali->nand.ecc.bytes = ECC_15BITS; + chip->ecc.strength = 15; + chip->ecc.bytes = ECC_15BITS; iowrite32(15, denali->flash_reg + ECC_CORRECTION); } else if (mtd->oobsize < (denali->bbtskipbytes + ECC_8BITS * (mtd->writesize / @@ -1538,24 +1538,24 @@ int denali_init(struct denali_nand_info *denali) pr_err("Your NAND chip OOB is not large enough to contain 8bit ECC correction codes"); goto failed_req_irq; } else { - denali->nand.ecc.strength = 8; - denali->nand.ecc.bytes = ECC_8BITS; + chip->ecc.strength = 8; + chip->ecc.bytes = ECC_8BITS; iowrite32(8, denali->flash_reg + ECC_CORRECTION); } mtd_set_ooblayout(mtd, &denali_ooblayout_ops); - denali->nand.ecc.bytes *= denali->devnum; - denali->nand.ecc.strength *= denali->devnum; + chip->ecc.bytes *= denali->devnum; + chip->ecc.strength *= denali->devnum; /* override the default read operations */ - denali->nand.ecc.size = ECC_SECTOR_SIZE * denali->devnum; - denali->nand.ecc.read_page = denali_read_page; - denali->nand.ecc.read_page_raw = denali_read_page_raw; - denali->nand.ecc.write_page = denali_write_page; - denali->nand.ecc.write_page_raw = denali_write_page_raw; - denali->nand.ecc.read_oob = denali_read_oob; - denali->nand.ecc.write_oob = denali_write_oob; - denali->nand.erase = denali_erase; + chip->ecc.size = ECC_SECTOR_SIZE * denali->devnum; + chip->ecc.read_page = denali_read_page; + chip->ecc.read_page_raw = denali_read_page_raw; + chip->ecc.write_page = denali_write_page; + chip->ecc.write_page_raw = denali_write_page_raw; + chip->ecc.read_oob = denali_read_oob; + chip->ecc.write_oob = denali_write_oob; + chip->erase = denali_erase; ret = nand_scan_tail(mtd); if (ret) -- 2.30.2