6.15-stable review patch. If anyone has any objections, please let me know.
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From: Miquel Raynal miquel.raynal@bootlin.com
[ Upstream commit ea2087d4e66d0b927918cc9048576aca6a0446ad ]
SPI operations have been initially described through macros implicitly implying the use of a single SPI SDR bus. Macros for supporting dual and quad I/O transfers have been added on top, generally inspired by vendor naming, followed by DTR operations. Soon we might see octal and even octal DTR operations as well (including the opcode byte).
Let's clarify what the macro really mean by describing the expected bus topology in the (single) read from cache macro names.
Acked-by: Tudor Ambarus tudor.ambarus@linaro.org Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Stable-dep-of: dba90f5a79c1 ("mtd: spinand: winbond: Prevent unsupported frequencies on dual/quad I/O variants") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/mtd/nand/spi/alliancememory.c | 4 ++-- drivers/mtd/nand/spi/ato.c | 4 ++-- drivers/mtd/nand/spi/esmt.c | 4 ++-- drivers/mtd/nand/spi/foresee.c | 4 ++-- drivers/mtd/nand/spi/gigadevice.c | 16 ++++++++-------- drivers/mtd/nand/spi/macronix.c | 4 ++-- drivers/mtd/nand/spi/micron.c | 8 ++++---- drivers/mtd/nand/spi/paragon.c | 4 ++-- drivers/mtd/nand/spi/skyhigh.c | 4 ++-- drivers/mtd/nand/spi/toshiba.c | 4 ++-- drivers/mtd/nand/spi/winbond.c | 10 +++++----- drivers/mtd/nand/spi/xtx.c | 4 ++-- include/linux/mtd/spinand.h | 12 ++++++------ 13 files changed, 41 insertions(+), 41 deletions(-)
diff --git a/drivers/mtd/nand/spi/alliancememory.c b/drivers/mtd/nand/spi/alliancememory.c index 6046c73f8424e..723c740308d26 100644 --- a/drivers/mtd/nand/spi/alliancememory.c +++ b/drivers/mtd/nand/spi/alliancememory.c @@ -21,8 +21,8 @@ static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/drivers/mtd/nand/spi/ato.c b/drivers/mtd/nand/spi/ato.c index bb5298911137f..9026a14aca07c 100644 --- a/drivers/mtd/nand/spi/ato.c +++ b/drivers/mtd/nand/spi/ato.c @@ -15,8 +15,8 @@
static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/drivers/mtd/nand/spi/esmt.c b/drivers/mtd/nand/spi/esmt.c index a164d821464d2..1cba83651afb7 100644 --- a/drivers/mtd/nand/spi/esmt.c +++ b/drivers/mtd/nand/spi/esmt.c @@ -20,8 +20,8 @@ static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/drivers/mtd/nand/spi/foresee.c b/drivers/mtd/nand/spi/foresee.c index ecd5f6bffa334..8a9725ea29bac 100644 --- a/drivers/mtd/nand/spi/foresee.c +++ b/drivers/mtd/nand/spi/foresee.c @@ -14,8 +14,8 @@ static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/drivers/mtd/nand/spi/gigadevice.c b/drivers/mtd/nand/spi/gigadevice.c index d620bb02a20a0..cb03472682492 100644 --- a/drivers/mtd/nand/spi/gigadevice.c +++ b/drivers/mtd/nand/spi/gigadevice.c @@ -28,32 +28,32 @@ static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(read_cache_variants_f, SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X4_OP_3A(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP_3A(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP_3A(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP_3A(0, 0, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_3A_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_3A_1S_1S_1S_OP(0, 0, NULL, 0));
static SPINAND_OP_VARIANTS(read_cache_variants_1gq5, 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), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(read_cache_variants_2gq5, SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(0, 4, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 2, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/drivers/mtd/nand/spi/macronix.c b/drivers/mtd/nand/spi/macronix.c index 1ef08ad850a2f..b885e62a57535 100644 --- a/drivers/mtd/nand/spi/macronix.c +++ b/drivers/mtd/nand/spi/macronix.c @@ -30,8 +30,8 @@ struct macronix_priv { static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/drivers/mtd/nand/spi/micron.c b/drivers/mtd/nand/spi/micron.c index 691f8a2e0791d..daa396a7c39a2 100644 --- a/drivers/mtd/nand/spi/micron.c +++ b/drivers/mtd/nand/spi/micron.c @@ -39,8 +39,8 @@ static SPINAND_OP_VARIANTS(quadio_read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(x4_write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), @@ -54,8 +54,8 @@ static SPINAND_OP_VARIANTS(x4_update_cache_variants, static SPINAND_OP_VARIANTS(x4_read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(x1_write_cache_variants, SPINAND_PROG_LOAD(true, 0, NULL, 0)); diff --git a/drivers/mtd/nand/spi/paragon.c b/drivers/mtd/nand/spi/paragon.c index 6e7cc6995380c..ae3527d6d5fa3 100644 --- a/drivers/mtd/nand/spi/paragon.c +++ b/drivers/mtd/nand/spi/paragon.c @@ -26,8 +26,8 @@ static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/drivers/mtd/nand/spi/skyhigh.c b/drivers/mtd/nand/spi/skyhigh.c index 961df0d74984a..ffbedb8d92f65 100644 --- a/drivers/mtd/nand/spi/skyhigh.c +++ b/drivers/mtd/nand/spi/skyhigh.c @@ -21,8 +21,8 @@ static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 2, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/drivers/mtd/nand/spi/toshiba.c b/drivers/mtd/nand/spi/toshiba.c index 2e2106b2705f0..398e391bf2d7d 100644 --- a/drivers/mtd/nand/spi/toshiba.c +++ b/drivers/mtd/nand/spi/toshiba.c @@ -17,8 +17,8 @@ static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_x4_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/drivers/mtd/nand/spi/winbond.c b/drivers/mtd/nand/spi/winbond.c index 8394a1b1fb0c1..1630c14f8ecd5 100644 --- a/drivers/mtd/nand/spi/winbond.c +++ b/drivers/mtd/nand/spi/winbond.c @@ -32,17 +32,17 @@ static SPINAND_OP_VARIANTS(read_cache_dtr_variants, SPINAND_PAGE_READ_FROM_CACHE_X2_DTR_OP(0, 2, NULL, 0, 80 * HZ_PER_MHZ), SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_DTR_OP(0, 2, NULL, 0, 80 * HZ_PER_MHZ), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0, 54 * HZ_PER_MHZ)); + SPINAND_PAGE_READ_FROM_CACHE_1S_1D_1D_OP(0, 2, NULL, 0, 80 * HZ_PER_MHZ), + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0, 54 * HZ_PER_MHZ));
static SPINAND_OP_VARIANTS(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), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/drivers/mtd/nand/spi/xtx.c b/drivers/mtd/nand/spi/xtx.c index 3f539ca0de861..a0003f52ae8f5 100644 --- a/drivers/mtd/nand/spi/xtx.c +++ b/drivers/mtd/nand/spi/xtx.c @@ -27,8 +27,8 @@ static SPINAND_OP_VARIANTS(read_cache_variants, SPINAND_PAGE_READ_FROM_CACHE_X4_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(0, 1, NULL, 0), SPINAND_PAGE_READ_FROM_CACHE_X2_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(0, 1, NULL, 0), - SPINAND_PAGE_READ_FROM_CACHE_OP(0, 1, NULL, 0)); + SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(0, 1, NULL, 0), + SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(0, 1, NULL, 0));
static SPINAND_OP_VARIANTS(write_cache_variants, SPINAND_PROG_LOAD_X4(true, 0, NULL, 0), diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 311f145eb4e84..dd30a7beb9c63 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -62,32 +62,32 @@ SPI_MEM_OP_NO_DUMMY, \ SPI_MEM_OP_NO_DATA)
-#define SPINAND_PAGE_READ_FROM_CACHE_OP(addr, ndummy, buf, len, ...) \ +#define SPINAND_PAGE_READ_FROM_CACHE_1S_1S_1S_OP(addr, ndummy, buf, len, ...) \ SPI_MEM_OP(SPI_MEM_OP_CMD(0x03, 1), \ SPI_MEM_OP_ADDR(2, addr, 1), \ SPI_MEM_OP_DUMMY(ndummy, 1), \ SPI_MEM_OP_DATA_IN(len, buf, 1), \ SPI_MEM_OP_MAX_FREQ(__VA_ARGS__ + 0))
-#define SPINAND_PAGE_READ_FROM_CACHE_FAST_OP(addr, ndummy, buf, len) \ - SPI_MEM_OP(SPI_MEM_OP_CMD(0x0b, 1), \ +#define SPINAND_PAGE_READ_FROM_CACHE_FAST_1S_1S_1S_OP(addr, ndummy, buf, len) \ + SPI_MEM_OP(SPI_MEM_OP_CMD(0x0b, 1), \ SPI_MEM_OP_ADDR(2, addr, 1), \ SPI_MEM_OP_DUMMY(ndummy, 1), \ SPI_MEM_OP_DATA_IN(len, buf, 1))
-#define SPINAND_PAGE_READ_FROM_CACHE_OP_3A(addr, ndummy, buf, len) \ +#define SPINAND_PAGE_READ_FROM_CACHE_3A_1S_1S_1S_OP(addr, ndummy, buf, len) \ SPI_MEM_OP(SPI_MEM_OP_CMD(0x03, 1), \ SPI_MEM_OP_ADDR(3, addr, 1), \ SPI_MEM_OP_DUMMY(ndummy, 1), \ SPI_MEM_OP_DATA_IN(len, buf, 1))
-#define SPINAND_PAGE_READ_FROM_CACHE_FAST_OP_3A(addr, ndummy, buf, len) \ +#define SPINAND_PAGE_READ_FROM_CACHE_FAST_3A_1S_1S_1S_OP(addr, ndummy, buf, len) \ SPI_MEM_OP(SPI_MEM_OP_CMD(0x0b, 1), \ SPI_MEM_OP_ADDR(3, addr, 1), \ SPI_MEM_OP_DUMMY(ndummy, 1), \ SPI_MEM_OP_DATA_IN(len, buf, 1))
-#define SPINAND_PAGE_READ_FROM_CACHE_DTR_OP(addr, ndummy, buf, len, freq) \ +#define SPINAND_PAGE_READ_FROM_CACHE_1S_1D_1D_OP(addr, ndummy, buf, len, freq) \ SPI_MEM_OP(SPI_MEM_OP_CMD(0x0d, 1), \ SPI_MEM_DTR_OP_ADDR(2, addr, 1), \ SPI_MEM_DTR_OP_DUMMY(ndummy, 1), \