Commit da8f4891 authored by Miquel Raynal's avatar Miquel Raynal
Browse files

mtd: spinand: winbond: Register W35N vendor specific operation 



Provide the Winbond W35N specific "write VCR register" operation to let
the core verify it is supported by the controller before using it.

Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
parent 62dce7e0

drivers/mtd/nand/spi/winbond.c

+6 −0
Original line number Diff line number Diff line
@@ -93,6 +93,9 @@ static SPINAND_OP_VARIANTS(update_cache_variants, 
		   SPI_MEM_OP_NO_DUMMY,					\

		   SPI_MEM_OP_DATA_OUT(1, buf, 1))



static SPINAND_OP_VARIANTS(winbond_w35_ops,

		SPINAND_WINBOND_WRITE_VCR_1S_1S_1S(0, NULL));



static struct spi_mem_op

spinand_fill_winbond_write_vcr_op(struct spinand_device *spinand, u8 reg, void *valptr)

{
@@ -469,6 +472,7 @@ static const struct spinand_info winbond_spinand_table[] = { 
					      &write_cache_octal_variants,

					      &update_cache_octal_variants),

		     0,

		     SPINAND_INFO_VENDOR_OPS(&winbond_w35_ops),

		     SPINAND_ECCINFO(&w35n01jw_ooblayout, NULL),

		     SPINAND_CONFIGURE_CHIP(w35n0xjw_vcr_cfg)),

	SPINAND_INFO("W35N02JW", /* 1.8V */
@@ -479,6 +483,7 @@ static const struct spinand_info winbond_spinand_table[] = { 
					      &write_cache_octal_variants,

					      &update_cache_octal_variants),

		     0,

		     SPINAND_INFO_VENDOR_OPS(&winbond_w35_ops),

		     SPINAND_ECCINFO(&w35n01jw_ooblayout, NULL),

		     SPINAND_CONFIGURE_CHIP(w35n0xjw_vcr_cfg)),

	SPINAND_INFO("W35N04JW", /* 1.8V */
@@ -489,6 +494,7 @@ static const struct spinand_info winbond_spinand_table[] = { 
					      &write_cache_octal_variants,

					      &update_cache_octal_variants),

		     0,

		     SPINAND_INFO_VENDOR_OPS(&winbond_w35_ops),

		     SPINAND_ECCINFO(&w35n01jw_ooblayout, NULL),

		     SPINAND_CONFIGURE_CHIP(w35n0xjw_vcr_cfg)),

	/* 2G-bit densities */