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| author | Arseniy Krasnov <avkrasnov@salutedevices.com> | 2024-05-08 01:09:02 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2024-05-27 13:52:09 +0200 |
| commit | 2234585f5c12f2a633fff715cca32ce0b40cfa29 (patch) | |
| tree | 0c9ce2d29096e7ed1e276656545cb59e44f240bb /drivers/mtd | |
| parent | dt-bindings: mtd: amlogic,meson-nand: support fields for boot ROM code (diff) | |
| download | linux-2234585f5c12f2a633fff715cca32ce0b40cfa29.tar.xz linux-2234585f5c12f2a633fff715cca32ce0b40cfa29.zip | |
mtd: rawnand: meson: refactor use of 'meson_nfc_cmd_access()'
Move call 'meson_nfc_cmd_seed()' and check for 'NAND_NEED_SCRAMBLING'
to 'meson_nfc_cmd_access()', thus removing code duplication.
Signed-off-by: Arseniy Krasnov <avkrasnov@salutedevices.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240507230903.3399594-3-avkrasnov@salutedevices.com
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/meson_nand.c | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 2a96a87cf79c..956f9440cb9e 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -298,14 +298,19 @@ static void meson_nfc_cmd_seed(struct meson_nfc *nfc, u32 seed) nfc->reg_base + NFC_REG_CMD); } -static void meson_nfc_cmd_access(struct nand_chip *nand, int raw, bool dir, - int scrambler) +static void meson_nfc_cmd_access(struct nand_chip *nand, int raw, bool dir, int page) { struct mtd_info *mtd = nand_to_mtd(nand); struct meson_nfc *nfc = nand_get_controller_data(mtd_to_nand(mtd)); struct meson_nfc_nand_chip *meson_chip = to_meson_nand(nand); u32 bch = meson_chip->bch_mode, cmd; int len = mtd->writesize, pagesize, pages; + int scrambler; + + if (nand->options & NAND_NEED_SCRAMBLING) + scrambler = NFC_CMD_SCRAMBLER_ENABLE; + else + scrambler = NFC_CMD_SCRAMBLER_DISABLE; pagesize = nand->ecc.size; @@ -321,6 +326,9 @@ static void meson_nfc_cmd_access(struct nand_chip *nand, int raw, bool dir, cmd = CMDRWGEN(DMA_DIR(dir), scrambler, bch, NFC_CMD_SHORTMODE_DISABLE, pagesize, pages); + if (scrambler == NFC_CMD_SCRAMBLER_ENABLE) + meson_nfc_cmd_seed(nfc, page); + writel(cmd, nfc->reg_base + NFC_REG_CMD); } @@ -743,14 +751,7 @@ static int meson_nfc_write_page_sub(struct nand_chip *nand, if (ret) return ret; - if (nand->options & NAND_NEED_SCRAMBLING) { - meson_nfc_cmd_seed(nfc, page); - meson_nfc_cmd_access(nand, raw, DIRWRITE, - NFC_CMD_SCRAMBLER_ENABLE); - } else { - meson_nfc_cmd_access(nand, raw, DIRWRITE, - NFC_CMD_SCRAMBLER_DISABLE); - } + meson_nfc_cmd_access(nand, raw, DIRWRITE, page); cmd = nfc->param.chip_select | NFC_CMD_CLE | NAND_CMD_PAGEPROG; writel(cmd, nfc->reg_base + NFC_REG_CMD); @@ -829,14 +830,7 @@ static int meson_nfc_read_page_sub(struct nand_chip *nand, if (ret) return ret; - if (nand->options & NAND_NEED_SCRAMBLING) { - meson_nfc_cmd_seed(nfc, page); - meson_nfc_cmd_access(nand, raw, DIRREAD, - NFC_CMD_SCRAMBLER_ENABLE); - } else { - meson_nfc_cmd_access(nand, raw, DIRREAD, - NFC_CMD_SCRAMBLER_DISABLE); - } + meson_nfc_cmd_access(nand, raw, DIRREAD, page); ret = meson_nfc_wait_dma_finish(nfc); meson_nfc_check_ecc_pages_valid(nfc, nand, raw); |