Messages in this thread Patch in this message | | | From | Tudor Ambarus <> | Subject | [PATCH v2 5/8] mtd: spi-nor: manufacturers: Use spi_nor_read_id() core method | Date | Mon, 28 Feb 2022 13:17:09 +0200 |
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Use spi_nor_read_id() core method to avoid duplication of code. Now the ID is read on the full SPI_NOR_MAX_ID_LEN instead of round_up(nor->info->id_len, 2), but it doesn't harm to read more ID bytes, so the change comes with no secondary effects.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> --- drivers/mtd/spi-nor/micron-st.c | 13 +++---------- drivers/mtd/spi-nor/spansion.c | 13 +++---------- 2 files changed, 6 insertions(+), 20 deletions(-)
diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c index 8a20475ce77a..41b87868ecf9 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -91,17 +91,10 @@ static int micron_st_nor_octal_dtr_enable(struct spi_nor *nor, bool enable) return ret; /* Read flash ID to make sure the switch was successful. */ - op = (struct spi_mem_op) - SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_RDID, 1), - SPI_MEM_OP_NO_ADDR, - SPI_MEM_OP_DUMMY(enable ? 8 : 0, 1), - SPI_MEM_OP_DATA_IN(round_up(nor->info->id_len, 2), - buf, 1)); - if (enable) - spi_nor_spimem_setup_op(nor, &op, SNOR_PROTO_8_8_8_DTR); - - ret = spi_mem_exec_op(nor->spimem, &op); + ret = spi_nor_read_id(nor, 0, 8, buf, SNOR_PROTO_8_8_8_DTR); + else + ret = spi_nor_read_id(nor, 0, 0, buf, SNOR_PROTO_1_1_1); if (ret) return ret; diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c index f24e546e04a5..c5988312cc91 100644 --- a/drivers/mtd/spi-nor/spansion.c +++ b/drivers/mtd/spi-nor/spansion.c @@ -98,17 +98,10 @@ static int cypress_nor_octal_dtr_enable(struct spi_nor *nor, bool enable) return ret; /* Read flash ID to make sure the switch was successful. */ - op = (struct spi_mem_op) - SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_RDID, 1), - SPI_MEM_OP_ADDR(enable ? 4 : 0, 0, 1), - SPI_MEM_OP_DUMMY(enable ? 3 : 0, 1), - SPI_MEM_OP_DATA_IN(round_up(nor->info->id_len, 2), - buf, 1)); - if (enable) - spi_nor_spimem_setup_op(nor, &op, SNOR_PROTO_8_8_8_DTR); - - ret = spi_mem_exec_op(nor->spimem, &op); + ret = spi_nor_read_id(nor, 4, 3, buf, SNOR_PROTO_8_8_8_DTR); + else + ret = spi_nor_read_id(nor, 0, 0, buf, SNOR_PROTO_1_1_1); if (ret) return ret; -- 2.25.1
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