threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
92 lines
1.9 KiB
C
92 lines
1.9 KiB
C
/*
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* Copyright (C) 2017 MediaTek Inc.
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* Licensed under either
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* BSD Licence, (see NOTICE for more details)
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* GNU General Public License, version 2.0, (see NOTICE for more details)
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*/
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#include <linux/mtd/mtd.h>
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#include "nandx_ops.h"
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#include "nandx_core.h"
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int nand_write(struct mtd_info *mtd, loff_t to, size_t len,
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size_t *retlen, const uint8_t *buf)
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{
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int ret;
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struct nandx_core *ncore;
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ncore = (struct nandx_core *)mtd->priv;
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ret = nandx_ops_write(ncore, to, len, (u8 *)buf, DO_SINGLE_PLANE_OPS);
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if (ret < 0)
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return ret;
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*retlen = len;
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return 0;
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}
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int nand_read(struct mtd_info *mtd, loff_t from, size_t len,
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size_t *retlen, uint8_t *buf)
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{
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int ret;
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struct nandx_core *ncore;
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ncore = (struct nandx_core *)mtd->priv;
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ret = nandx_ops_read(ncore, from, len, buf, DO_SINGLE_PLANE_OPS);
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if (ret < 0)
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return ret;
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*retlen = len;
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return 0;
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}
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int nand_erase(struct mtd_info *mtd, struct erase_info *instr)
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{
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struct nandx_core *ncore;
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int ret;
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ncore = (struct nandx_core *)mtd->priv;
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instr->state = MTD_ERASING;
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ret = nandx_ops_erase(ncore, instr->addr, 0, instr->len);
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instr->state = ret < 0 ? MTD_ERASE_FAILED : MTD_ERASE_DONE;
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ret = ret < 0 ? -EIO : 0;
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if (!ret)
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mtd_erase_callback(instr);
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return ret;
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}
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int nand_read_oob(struct mtd_info *mtd, loff_t from, struct mtd_oob_ops *ops)
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{
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struct nandx_core *ncore;
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ncore = (struct nandx_core *)mtd->priv;
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return nandx_ops_read_oob(ncore, from, ops->oobbuf);
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}
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int nand_write_oob(struct mtd_info *mtd, loff_t to, struct mtd_oob_ops *ops)
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{
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struct nandx_core *ncore;
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ncore = (struct nandx_core *)mtd->priv;
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return nandx_ops_read_oob(ncore, to, ops->oobbuf);
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}
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#ifdef CONFIG_MTK_TLC_NAND_SUPPORT
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int nand_mark_bad(struct mtd_info *mtd, loff_t ofs, const uint8_t *buf)
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#else
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int nand_mark_bad(struct mtd_info *mtd, loff_t ofs)
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#endif
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{
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return 0;
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}
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int nand_is_bad(struct mtd_info *mtd, loff_t ofs)
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{
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return 0;
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}
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void nand_sync(struct mtd_info *mtd)
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{
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}
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