Re: [PATCH v4 1/2] mtd: spinand: micron: Generalize the function and structure names

Miquel Raynal
2020-09-15T08:23:45Z

Hi Thirumalesha,

Thirumalesha Narasimhappa <nthirumalesha7@gmail.com> wrote on Mon, 14
Sep 2020 00:15:32 +0800:

> Rename the oob structure and read/write/update function names to
> a generic names
>
> Signed-off-by: Thirumalesha Narasimhappa <nthirumalesha7@gmail.com>
> ---
> drivers/mtd/nand/spi/micron.c | 80 +++++++++++++++++------------------
> 1 file changed, 40 insertions(+), 40 deletions(-)
>
> diff --git a/drivers/mtd/nand/spi/micron.c b/drivers/mtd/nand/spi/micron.c
> index 5d370cfcdaaa..d1b1073d1a55 100644
> --- a/drivers/mtd/nand/spi/micron.c
> +++ b/drivers/mtd/nand/spi/micron.c
> @@ -28,7 +28,7 @@
>
> #define MICRON_SELECT_DIE(x) ((x) << 6)
>
> -static SPINAND_OP_VARIANTS(read_cache_variants,
> +static SPINAND_OP_VARIANTS(quadio_read_cache_variants,
> SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 2, NULL, 0),
> SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0),
> SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0),
> @@ -36,11 +36,11 @@ static SPINAND_OP_VARIANTS(read_cache_variants,
> SPINAND_PAGE_READ_FROM_CACHE_OP(true, 0, 1, NULL, 0),
> SPINAND_PAGE_READ_FROM_CACHE_OP(false, 0, 1, NULL, 0));
>
> -static SPINAND_OP_VARIANTS(write_cache_variants,
> +static SPINAND_OP_VARIANTS(x4_write_cache_variants,

Why quadio_read and x4_write? I don't get the logic.

> SPINAND_PROG_LOAD_X4(true, 0, NULL, 0),
> SPINAND_PROG_LOAD(true, 0, NULL, 0));
>
> -static SPINAND_OP_VARIANTS(update_cache_variants,
> +static SPINAND_OP_VARIANTS(x4_update_cache_variants,
> SPINAND_PROG_LOAD_X4(false, 0, NULL, 0),
> SPINAND_PROG_LOAD(false, 0, NULL, 0));
>
> @@ -69,7 +69,7 @@ static int micron_8_ooblayout_free(struct mtd_info *mtd, int section,
> return 0;
> }
>
> -static const struct mtd_ooblayout_ops micron_8_ooblayout = {
> +static const struct mtd_ooblayout_ops micron_grouped_ooblayout = {

Is this necessary? What does "grouped" means? Should we rename all
functions with _8_ in it to make sense?

> .ecc = micron_8_ooblayout_ecc,
> .free = micron_8_ooblayout_free,
> };
> @@ -120,55 +120,55 @@ static const struct spinand_info micron_spinand_table[] = {
> SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x24),
> NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1),
> NAND_ECCREQ(8, 512),
> - SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> - &write_cache_variants,
> - &update_cache_variants),
> + SPINAND_INFO_OP_VARIANTS(&quadio_read_cache_variants,
> + &x4_write_cache_variants,
> + &x4_update_cache_variants),
> 0,
> - SPINAND_ECCINFO(&micron_8_ooblayout,
> + SPINAND_ECCINFO(&micron_grouped_ooblayout,
> micron_8_ecc_get_status)),
> /* M79A 2Gb 1.8V */
> SPINAND_INFO("MT29F2G01ABBGD",
> SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x25),
> NAND_MEMORG(1, 2048, 128, 64, 2048, 40, 2, 1, 1),
> NAND_ECCREQ(8, 512),
> - SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> - &write_cache_variants,
> - &update_cache_variants),
> + SPINAND_INFO_OP_VARIANTS(&quadio_read_cache_variants,
> + &x4_write_cache_variants,
> + &x4_update_cache_variants),
> 0,
> - SPINAND_ECCINFO(&micron_8_ooblayout,
> + SPINAND_ECCINFO(&micron_grouped_ooblayout,
> micron_8_ecc_get_status)),
> /* M78A 1Gb 3.3V */
> SPINAND_INFO("MT29F1G01ABAFD",
> SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x14),
> NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
> NAND_ECCREQ(8, 512),
> - SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> - &write_cache_variants,
> - &update_cache_variants),
> + SPINAND_INFO_OP_VARIANTS(&quadio_read_cache_variants,
> + &x4_write_cache_variants,
> + &x4_update_cache_variants),
> 0,
> - SPINAND_ECCINFO(&micron_8_ooblayout,
> + SPINAND_ECCINFO(&micron_grouped_ooblayout,
> micron_8_ecc_get_status)),
> /* M78A 1Gb 1.8V */
> SPINAND_INFO("MT29F1G01ABAFD",
> SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x15),
> NAND_MEMORG(1, 2048, 128, 64, 1024, 20, 1, 1, 1),
> NAND_ECCREQ(8, 512),
> - SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> - &write_cache_variants,
> - &update_cache_variants),
> + SPINAND_INFO_OP_VARIANTS(&quadio_read_cache_variants,
> + &x4_write_cache_variants,
> + &x4_update_cache_variants),
> 0,
> - SPINAND_ECCINFO(&micron_8_ooblayout,
> + SPINAND_ECCINFO(&micron_grouped_ooblayout,
> micron_8_ecc_get_status)),
> /* M79A 4Gb 3.3V */
> SPINAND_INFO("MT29F4G01ADAGD",
> SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x36),
> NAND_MEMORG(1, 2048, 128, 64, 2048, 80, 2, 1, 2),
> NAND_ECCREQ(8, 512),
> - SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> - &write_cache_variants,
> - &update_cache_variants),
> + SPINAND_INFO_OP_VARIANTS(&quadio_read_cache_variants,
> + &x4_write_cache_variants,
> + &x4_update_cache_variants),
> 0,
> - SPINAND_ECCINFO(&micron_8_ooblayout,
> + SPINAND_ECCINFO(&micron_grouped_ooblayout,
> micron_8_ecc_get_status),
> SPINAND_SELECT_TARGET(micron_select_target)),
> /* M70A 4Gb 3.3V */
> @@ -176,33 +176,33 @@ static const struct spinand_info micron_spinand_table[] = {
> SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x34),
> NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
> NAND_ECCREQ(8, 512),
> - SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> - &write_cache_variants,
> - &update_cache_variants),
> + SPINAND_INFO_OP_VARIANTS(&quadio_read_cache_variants,
> + &x4_write_cache_variants,
> + &x4_update_cache_variants),
> SPINAND_HAS_CR_FEAT_BIT,
> - SPINAND_ECCINFO(&micron_8_ooblayout,
> + SPINAND_ECCINFO(&micron_grouped_ooblayout,
> micron_8_ecc_get_status)),
> /* M70A 4Gb 1.8V */
> SPINAND_INFO("MT29F4G01ABBFD",
> SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x35),
> NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 1),
> NAND_ECCREQ(8, 512),
> - SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> - &write_cache_variants,
> - &update_cache_variants),
> + SPINAND_INFO_OP_VARIANTS(&quadio_read_cache_variants,
> + &x4_write_cache_variants,
> + &x4_update_cache_variants),
> SPINAND_HAS_CR_FEAT_BIT,
> - SPINAND_ECCINFO(&micron_8_ooblayout,
> + SPINAND_ECCINFO(&micron_grouped_ooblayout,
> micron_8_ecc_get_status)),
> /* M70A 8Gb 3.3V */
> SPINAND_INFO("MT29F8G01ADAFD",
> SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x46),
> NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 2),
> NAND_ECCREQ(8, 512),
> - SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> - &write_cache_variants,
> - &update_cache_variants),
> + SPINAND_INFO_OP_VARIANTS(&quadio_read_cache_variants,
> + &x4_write_cache_variants,
> + &x4_update_cache_variants),
> SPINAND_HAS_CR_FEAT_BIT,
> - SPINAND_ECCINFO(&micron_8_ooblayout,
> + SPINAND_ECCINFO(&micron_grouped_ooblayout,
> micron_8_ecc_get_status),
> SPINAND_SELECT_TARGET(micron_select_target)),
> /* M70A 8Gb 1.8V */
> @@ -210,11 +210,11 @@ static const struct spinand_info micron_spinand_table[] = {
> SPINAND_ID(SPINAND_READID_METHOD_OPCODE_DUMMY, 0x47),
> NAND_MEMORG(1, 4096, 256, 64, 2048, 40, 1, 1, 2),
> NAND_ECCREQ(8, 512),
> - SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
> - &write_cache_variants,
> - &update_cache_variants),
> + SPINAND_INFO_OP_VARIANTS(&quadio_read_cache_variants,
> + &x4_write_cache_variants,
> + &x4_update_cache_variants),
> SPINAND_HAS_CR_FEAT_BIT,
> - SPINAND_ECCINFO(&micron_8_ooblayout,
> + SPINAND_ECCINFO(&micron_grouped_ooblayout,
> micron_8_ecc_get_status),
> SPINAND_SELECT_TARGET(micron_select_target)),
> };

Thanks,
Miquèl