summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/nand/raw/sunxi_nand.c103
1 files changed, 51 insertions, 52 deletions
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index 7c484537e170..ba527e9e221e 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -1185,16 +1185,16 @@ static void sunxi_nfc_hw_ecc_write_extra_oob(struct mtd_info *mtd,
*cur_off = mtd->oobsize + mtd->writesize;
}
-static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *chip, uint8_t *buf,
+static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *nand, uint8_t *buf,
int oob_required, int page)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
- struct nand_ecc_ctrl *ecc = &chip->ecc;
+ struct mtd_info *mtd = nand_to_mtd(nand);
+ struct nand_ecc_ctrl *ecc = &nand->ecc;
unsigned int max_bitflips = 0;
int ret, i, cur_off = 0;
bool raw_mode = false;
- nand_read_page_op(chip, page, 0, NULL, 0);
+ nand_read_page_op(nand, page, 0, NULL, 0);
sunxi_nfc_hw_ecc_enable(mtd);
@@ -1202,7 +1202,7 @@ static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *chip, uint8_t *buf,
int data_off = i * ecc->size;
int oob_off = i * (ecc->bytes + 4);
u8 *data = buf + data_off;
- u8 *oob = chip->oob_poi + oob_off;
+ u8 *oob = nand->oob_poi + oob_off;
ret = sunxi_nfc_hw_ecc_read_chunk(mtd, data, data_off, oob,
oob_off + mtd->writesize,
@@ -1215,7 +1215,7 @@ static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *chip, uint8_t *buf,
}
if (oob_required)
- sunxi_nfc_hw_ecc_read_extra_oob(mtd, chip->oob_poi, &cur_off,
+ sunxi_nfc_hw_ecc_read_extra_oob(mtd, nand->oob_poi, &cur_off,
!raw_mode, page);
sunxi_nfc_hw_ecc_disable(mtd);
@@ -1223,33 +1223,33 @@ static int sunxi_nfc_hw_ecc_read_page(struct nand_chip *chip, uint8_t *buf,
return max_bitflips;
}
-static int sunxi_nfc_hw_ecc_read_page_dma(struct nand_chip *chip, u8 *buf,
+static int sunxi_nfc_hw_ecc_read_page_dma(struct nand_chip *nand, u8 *buf,
int oob_required, int page)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
+ struct mtd_info *mtd = nand_to_mtd(nand);
int ret;
- nand_read_page_op(chip, page, 0, NULL, 0);
+ nand_read_page_op(nand, page, 0, NULL, 0);
ret = sunxi_nfc_hw_ecc_read_chunks_dma(mtd, buf, oob_required, page,
- chip->ecc.steps);
+ nand->ecc.steps);
if (ret >= 0)
return ret;
/* Fallback to PIO mode */
- return sunxi_nfc_hw_ecc_read_page(chip, buf, oob_required, page);
+ return sunxi_nfc_hw_ecc_read_page(nand, buf, oob_required, page);
}
-static int sunxi_nfc_hw_ecc_read_subpage(struct nand_chip *chip,
+static int sunxi_nfc_hw_ecc_read_subpage(struct nand_chip *nand,
u32 data_offs, u32 readlen,
u8 *bufpoi, int page)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
- struct nand_ecc_ctrl *ecc = &chip->ecc;
+ struct mtd_info *mtd = nand_to_mtd(nand);
+ struct nand_ecc_ctrl *ecc = &nand->ecc;
int ret, i, cur_off = 0;
unsigned int max_bitflips = 0;
- nand_read_page_op(chip, page, 0, NULL, 0);
+ nand_read_page_op(nand, page, 0, NULL, 0);
sunxi_nfc_hw_ecc_enable(mtd);
@@ -1258,7 +1258,7 @@ static int sunxi_nfc_hw_ecc_read_subpage(struct nand_chip *chip,
int data_off = i * ecc->size;
int oob_off = i * (ecc->bytes + 4);
u8 *data = bufpoi + data_off;
- u8 *oob = chip->oob_poi + oob_off;
+ u8 *oob = nand->oob_poi + oob_off;
ret = sunxi_nfc_hw_ecc_read_chunk(mtd, data, data_off,
oob,
@@ -1274,34 +1274,34 @@ static int sunxi_nfc_hw_ecc_read_subpage(struct nand_chip *chip,
return max_bitflips;
}
-static int sunxi_nfc_hw_ecc_read_subpage_dma(struct nand_chip *chip,
+static int sunxi_nfc_hw_ecc_read_subpage_dma(struct nand_chip *nand,
u32 data_offs, u32 readlen,
u8 *buf, int page)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
- int nchunks = DIV_ROUND_UP(data_offs + readlen, chip->ecc.size);
+ struct mtd_info *mtd = nand_to_mtd(nand);
+ int nchunks = DIV_ROUND_UP(data_offs + readlen, nand->ecc.size);
int ret;
- nand_read_page_op(chip, page, 0, NULL, 0);
+ nand_read_page_op(nand, page, 0, NULL, 0);
ret = sunxi_nfc_hw_ecc_read_chunks_dma(mtd, buf, false, page, nchunks);
if (ret >= 0)
return ret;
/* Fallback to PIO mode */
- return sunxi_nfc_hw_ecc_read_subpage(chip, data_offs, readlen,
+ return sunxi_nfc_hw_ecc_read_subpage(nand, data_offs, readlen,
buf, page);
}
-static int sunxi_nfc_hw_ecc_write_page(struct nand_chip *chip,
+static int sunxi_nfc_hw_ecc_write_page(struct nand_chip *nand,
const uint8_t *buf, int oob_required,
int page)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
- struct nand_ecc_ctrl *ecc = &chip->ecc;
+ struct mtd_info *mtd = nand_to_mtd(nand);
+ struct nand_ecc_ctrl *ecc = &nand->ecc;
int ret, i, cur_off = 0;
- nand_prog_page_begin_op(chip, page, 0, NULL, 0);
+ nand_prog_page_begin_op(nand, page, 0, NULL, 0);
sunxi_nfc_hw_ecc_enable(mtd);
@@ -1309,7 +1309,7 @@ static int sunxi_nfc_hw_ecc_write_page(struct nand_chip *chip,
int data_off = i * ecc->size;
int oob_off = i * (ecc->bytes + 4);
const u8 *data = buf + data_off;
- const u8 *oob = chip->oob_poi + oob_off;
+ const u8 *oob = nand->oob_poi + oob_off;
ret = sunxi_nfc_hw_ecc_write_chunk(mtd, data, data_off, oob,
oob_off + mtd->writesize,
@@ -1318,25 +1318,25 @@ static int sunxi_nfc_hw_ecc_write_page(struct nand_chip *chip,
return ret;
}
- if (oob_required || (chip->options & NAND_NEED_SCRAMBLING))
- sunxi_nfc_hw_ecc_write_extra_oob(mtd, chip->oob_poi,
+ if (oob_required || (nand->options & NAND_NEED_SCRAMBLING))
+ sunxi_nfc_hw_ecc_write_extra_oob(mtd, nand->oob_poi,
&cur_off, page);
sunxi_nfc_hw_ecc_disable(mtd);
- return nand_prog_page_end_op(chip);
+ return nand_prog_page_end_op(nand);
}
-static int sunxi_nfc_hw_ecc_write_subpage(struct nand_chip *chip,
+static int sunxi_nfc_hw_ecc_write_subpage(struct nand_chip *nand,
u32 data_offs, u32 data_len,
const u8 *buf, int oob_required,
int page)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
- struct nand_ecc_ctrl *ecc = &chip->ecc;
+ struct mtd_info *mtd = nand_to_mtd(nand);
+ struct nand_ecc_ctrl *ecc = &nand->ecc;
int ret, i, cur_off = 0;
- nand_prog_page_begin_op(chip, page, 0, NULL, 0);
+ nand_prog_page_begin_op(nand, page, 0, NULL, 0);
sunxi_nfc_hw_ecc_enable(mtd);
@@ -1345,7 +1345,7 @@ static int sunxi_nfc_hw_ecc_write_subpage(struct nand_chip *chip,
int data_off = i * ecc->size;
int oob_off = i * (ecc->bytes + 4);
const u8 *data = buf + data_off;
- const u8 *oob = chip->oob_poi + oob_off;
+ const u8 *oob = nand->oob_poi + oob_off;
ret = sunxi_nfc_hw_ecc_write_chunk(mtd, data, data_off, oob,
oob_off + mtd->writesize,
@@ -1356,16 +1356,15 @@ static int sunxi_nfc_hw_ecc_write_subpage(struct nand_chip *chip,
sunxi_nfc_hw_ecc_disable(mtd);
- return nand_prog_page_end_op(chip);
+ return nand_prog_page_end_op(nand);
}
-static int sunxi_nfc_hw_ecc_write_page_dma(struct nand_chip *chip,
+static int sunxi_nfc_hw_ecc_write_page_dma(struct nand_chip *nand,
const u8 *buf,
int oob_required,
int page)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
- struct nand_chip *nand = mtd_to_nand(mtd);
+ struct mtd_info *mtd = nand_to_mtd(nand);
struct sunxi_nfc *nfc = to_sunxi_nfc(nand->controller);
struct nand_ecc_ctrl *ecc = &nand->ecc;
struct scatterlist sg;
@@ -1386,7 +1385,7 @@ static int sunxi_nfc_hw_ecc_write_page_dma(struct nand_chip *chip,
sunxi_nfc_hw_ecc_set_prot_oob_bytes(mtd, oob, i, !i, page);
}
- nand_prog_page_begin_op(chip, page, 0, NULL, 0);
+ nand_prog_page_begin_op(nand, page, 0, NULL, 0);
sunxi_nfc_hw_ecc_enable(mtd);
sunxi_nfc_randomizer_config(mtd, page, false);
@@ -1413,38 +1412,38 @@ static int sunxi_nfc_hw_ecc_write_page_dma(struct nand_chip *chip,
if (ret)
return ret;
- if (oob_required || (chip->options & NAND_NEED_SCRAMBLING))
+ if (oob_required || (nand->options & NAND_NEED_SCRAMBLING))
/* TODO: use DMA to transfer extra OOB bytes ? */
- sunxi_nfc_hw_ecc_write_extra_oob(mtd, chip->oob_poi,
+ sunxi_nfc_hw_ecc_write_extra_oob(mtd, nand->oob_poi,
NULL, page);
- return nand_prog_page_end_op(chip);
+ return nand_prog_page_end_op(nand);
pio_fallback:
- return sunxi_nfc_hw_ecc_write_page(chip, buf, oob_required, page);
+ return sunxi_nfc_hw_ecc_write_page(nand, buf, oob_required, page);
}
-static int sunxi_nfc_hw_ecc_read_oob(struct nand_chip *chip, int page)
+static int sunxi_nfc_hw_ecc_read_oob(struct nand_chip *nand, int page)
{
- chip->pagebuf = -1;
+ nand->pagebuf = -1;
- return chip->ecc.read_page(chip, chip->data_buf, 1, page);
+ return nand->ecc.read_page(nand, nand->data_buf, 1, page);
}
-static int sunxi_nfc_hw_ecc_write_oob(struct nand_chip *chip, int page)
+static int sunxi_nfc_hw_ecc_write_oob(struct nand_chip *nand, int page)
{
- struct mtd_info *mtd = nand_to_mtd(chip);
+ struct mtd_info *mtd = nand_to_mtd(nand);
int ret;
- chip->pagebuf = -1;
+ nand->pagebuf = -1;
- memset(chip->data_buf, 0xff, mtd->writesize);
- ret = chip->ecc.write_page(chip, chip->data_buf, 1, page);
+ memset(nand->data_buf, 0xff, mtd->writesize);
+ ret = nand->ecc.write_page(nand, nand->data_buf, 1, page);
if (ret)
return ret;
/* Send command to program the OOB data */
- return nand_prog_page_end_op(chip);
+ return nand_prog_page_end_op(nand);
}
static const s32 tWB_lut[] = {6, 12, 16, 20};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 17:13:07 +0000