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authorTakahiro Kuwano <[email protected]>2023-03-02 16:35:06 +0900
committerTudor Ambarus <[email protected]>2023-03-17 11:11:03 +0200
commitd628783c46d3c317deb0671ceb986be358fbaf69 (patch)
tree4f95af9b4c8e104a9408ad1da37d37ee3219d2aa
parenteeac8ede17557680855031c6f305ece2378af326 (diff)
mtd: spi-nor: spansion: Make RD_ANY_REG_OP macro take number of dummy bytes
Currently Read Any Register op is used to read volatile registers without any dummy cycles, but the op requires dummy cycles depending on register type (volatiler or non-volatile), device family, and device configuration. Add 'ndummy' argument to RD_ANY_REG_OP macro to support other use cases. Suggested-by: Tudor Ambarus <[email protected]> Signed-off-by: Takahiro Kuwano <[email protected]> Link: https://lore.kernel.org/r/03756e9e3ac41d2016a71d2afb702398dd0b19ed.1677557525.git.Takahiro.Kuwano@infineon.com Signed-off-by: Tudor Ambarus <[email protected]>
-rw-r--r--drivers/mtd/spi-nor/spansion.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/mtd/spi-nor/spansion.c b/drivers/mtd/spi-nor/spansion.c
index 12a256c0ef4c..9faab29aba57 100644
--- a/drivers/mtd/spi-nor/spansion.c
+++ b/drivers/mtd/spi-nor/spansion.c
@@ -37,10 +37,10 @@
SPI_MEM_OP_NO_DUMMY, \
SPI_MEM_OP_DATA_OUT(ndata, buf, 0))
-#define CYPRESS_NOR_RD_ANY_REG_OP(naddr, addr, buf) \
+#define CYPRESS_NOR_RD_ANY_REG_OP(naddr, addr, ndummy, buf) \
SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_RD_ANY_REG, 0), \
SPI_MEM_OP_ADDR(naddr, addr, 0), \
- SPI_MEM_OP_NO_DUMMY, \
+ SPI_MEM_OP_DUMMY(ndummy, 0), \
SPI_MEM_OP_DATA_IN(1, buf, 0))
#define SPANSION_CLSR_OP \
@@ -148,7 +148,7 @@ static int cypress_nor_quad_enable_volatile(struct spi_nor *nor)
op = (struct spi_mem_op)
CYPRESS_NOR_RD_ANY_REG_OP(addr_mode_nbytes,
- SPINOR_REG_CYPRESS_CFR1V,
+ SPINOR_REG_CYPRESS_CFR1V, 0,
nor->bouncebuf);
ret = spi_nor_read_any_reg(nor, &op, nor->reg_proto);
@@ -173,7 +173,7 @@ static int cypress_nor_quad_enable_volatile(struct spi_nor *nor)
/* Read back and check it. */
op = (struct spi_mem_op)
CYPRESS_NOR_RD_ANY_REG_OP(addr_mode_nbytes,
- SPINOR_REG_CYPRESS_CFR1V,
+ SPINOR_REG_CYPRESS_CFR1V, 0,
nor->bouncebuf);
ret = spi_nor_read_any_reg(nor, &op, nor->reg_proto);
if (ret)
@@ -202,7 +202,7 @@ static int cypress_nor_set_page_size(struct spi_nor *nor)
{
struct spi_mem_op op =
CYPRESS_NOR_RD_ANY_REG_OP(nor->params->addr_mode_nbytes,
- SPINOR_REG_CYPRESS_CFR3V,
+ SPINOR_REG_CYPRESS_CFR3V, 0,
nor->bouncebuf);
int ret;