From 44eac981d0e4d12a1406c0274d761146f2cd538e Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 4 Nov 2020 14:35:51 +0100 Subject: mtd: nand: denali: Drop multichip support Current multichip support doesn't fir well into the coming update to the NAND layer. Remove it for now, it will be added back when the denali NAND driver is updated to current Linux. Signed-off-by: Sascha Hauer --- drivers/mtd/nand/nand_denali.c | 24 ++++++++---------------- 1 file changed, 8 insertions(+), 16 deletions(-) diff --git a/drivers/mtd/nand/nand_denali.c b/drivers/mtd/nand/nand_denali.c index 1bacbd3be2..bffcbd8a7f 100644 --- a/drivers/mtd/nand/nand_denali.c +++ b/drivers/mtd/nand/nand_denali.c @@ -1435,17 +1435,13 @@ int denali_init(struct denali_nand_info *denali) * the real pagesize and anything necessery */ denali->devnum = ioread32(denali->flash_reg + DEVICES_CONNECTED); - nand->chipsize <<= (denali->devnum - 1); - nand->page_shift += (denali->devnum - 1); - nand->pagemask = (nand->chipsize >> nand->page_shift) - 1; - nand->bbt_erase_shift += (denali->devnum - 1); - nand->phys_erase_shift = nand->bbt_erase_shift; - nand->chip_shift += (denali->devnum - 1); - mtd->writesize <<= (denali->devnum - 1); - mtd->oobsize <<= (denali->devnum - 1); - mtd->erasesize <<= (denali->devnum - 1); - mtd->size = nand->numchips * nand->chipsize; - denali->bbtskipbytes *= denali->devnum; + if (denali->devnum != 1) { + ret = -EINVAL; + dev_err(denali->dev, + "Multiple devices (%d) detected, not yet supported\n", + denali->devnum); + goto failed_req_irq; + } /* * second stage of the NAND scan @@ -1496,10 +1492,6 @@ int denali_init(struct denali_nand_info *denali) iowrite32(8, denali->flash_reg + ECC_CORRECTION); } - nand->ecc.bytes *= denali->devnum; - nand->ecc.strength *= denali->devnum; - nand->ecc.layout->eccbytes *= - mtd->writesize / ECC_SECTOR_SIZE; nand->ecc.layout->oobfree[0].offset = denali->bbtskipbytes + nand->ecc.layout->eccbytes; nand->ecc.layout->oobfree[0].length = @@ -1515,7 +1507,7 @@ int denali_init(struct denali_nand_info *denali) denali->blksperchip = denali->totalblks / nand->numchips; /* override the default read operations */ - nand->ecc.size = ECC_SECTOR_SIZE * denali->devnum; + nand->ecc.size = ECC_SECTOR_SIZE; nand->ecc.read_page = denali_read_page; nand->ecc.read_page_raw = denali_read_page_raw; nand->ecc.write_page = denali_write_page; -- cgit v1.2.3