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 --- drivers/mtd/nand/raw/meson_nand.c | 30 ++++++++++++------------------ 1 file changed, 12 insertions(+), 18 deletions(-)
diff --git a/drivers/mtd/nand/raw/meson_nand.c b/drivers/mtd/nand/raw/meson_nand.c index 5d411c4594..19f005202b 100644 --- a/drivers/mtd/nand/raw/meson_nand.c +++ b/drivers/mtd/nand/raw/meson_nand.c @@ -229,14 +229,19 @@ static void meson_nfc_cmd_seed(const struct meson_nfc *nfc, u32 seed) nfc->reg_base + NFC_REG_CMD); }
-static void meson_nfc_cmd_access(struct nand_chip *nand, bool raw, bool dir, - int scrambler) +static void meson_nfc_cmd_access(struct nand_chip *nand, bool raw, bool dir, int page) { struct mtd_info *mtd = nand_to_mtd(nand); const struct meson_nfc *nfc = nand_get_controller_data(mtd_to_nand(mtd)); const 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;
@@ -252,6 +257,9 @@ static void meson_nfc_cmd_access(struct nand_chip *nand, bool 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); }
@@ -566,14 +574,7 @@ static int meson_nfc_write_page_sub(struct nand_chip *nand, 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); @@ -644,14 +645,7 @@ 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);
meson_nfc_wait_dma_finish(nfc); meson_nfc_check_ecc_pages_valid(nfc, nand, raw);