From 288df43783199dd796eb58552b997d92a115ebbd Mon Sep 17 00:00:00 2001 From: Tudor Ambarus Date: Fri, 31 Mar 2023 07:45:58 +0000 Subject: mtd: spi-nor: core: Update name and description of micron_st_nor_set_4byte_addr_mode Rename method to spi_nor_set_4byte_addr_mode_wren_en4b_ex4b and extend its description. This method is described in JESD216 BFPT[SFDP_DWORD(16)], BIT(30) and BIT(22). Reviewed-by: Michael Walle Link: https://lore.kernel.org/r/20230331074606.3559258-3-tudor.ambarus@linaro.org Signed-off-by: Tudor Ambarus --- drivers/mtd/spi-nor/core.c | 7 ++++--- drivers/mtd/spi-nor/core.h | 3 ++- drivers/mtd/spi-nor/micron-st.c | 2 +- 3 files changed, 7 insertions(+), 5 deletions(-) (limited to 'drivers/mtd/spi-nor') diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c index 34256593acde..7c02983ce137 100644 --- a/drivers/mtd/spi-nor/core.c +++ b/drivers/mtd/spi-nor/core.c @@ -539,15 +539,16 @@ int spi_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable) } /** - * micron_st_nor_set_4byte_addr_mode() - Set 4-byte address mode for ST and - * Micron flashes. + * spi_nor_set_4byte_addr_mode_wren_en4b_ex4b() - Set 4-byte address mode using + * SPINOR_OP_WREN followed by SPINOR_OP_EN4B or SPINOR_OP_EX4B. Typically used + * by ST and Micron flashes. * @nor: pointer to 'struct spi_nor'. * @enable: true to enter the 4-byte address mode, false to exit the 4-byte * address mode. * * Return: 0 on success, -errno otherwise. */ -int micron_st_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable) +int spi_nor_set_4byte_addr_mode_wren_en4b_ex4b(struct spi_nor *nor, bool enable) { int ret; diff --git a/drivers/mtd/spi-nor/core.h b/drivers/mtd/spi-nor/core.h index d5cb42245820..d8e3fd60d6ee 100644 --- a/drivers/mtd/spi-nor/core.h +++ b/drivers/mtd/spi-nor/core.h @@ -648,7 +648,8 @@ void spi_nor_spimem_setup_op(const struct spi_nor *nor, int spi_nor_write_enable(struct spi_nor *nor); int spi_nor_write_disable(struct spi_nor *nor); int spi_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable); -int micron_st_nor_set_4byte_addr_mode(struct spi_nor *nor, bool enable); +int spi_nor_set_4byte_addr_mode_wren_en4b_ex4b(struct spi_nor *nor, + bool enable); int spi_nor_wait_till_ready(struct spi_nor *nor); int spi_nor_global_block_unlock(struct spi_nor *nor); int spi_nor_prep_and_lock(struct spi_nor *nor); diff --git a/drivers/mtd/spi-nor/micron-st.c b/drivers/mtd/spi-nor/micron-st.c index 3bbf65234ebd..a75f0f4e1c38 100644 --- a/drivers/mtd/spi-nor/micron-st.c +++ b/drivers/mtd/spi-nor/micron-st.c @@ -425,7 +425,7 @@ static void micron_st_nor_default_init(struct spi_nor *nor) nor->flags |= SNOR_F_HAS_LOCK; nor->flags &= ~SNOR_F_HAS_16BIT_SR; nor->params->quad_enable = NULL; - nor->params->set_4byte_addr_mode = micron_st_nor_set_4byte_addr_mode; + nor->params->set_4byte_addr_mode = spi_nor_set_4byte_addr_mode_wren_en4b_ex4b; } static void micron_st_nor_late_init(struct spi_nor *nor) -- cgit v1.2.3