Skip to content

Commit f73f6bd

Browse files
westeribroonie
authored andcommitted
spi: intel: Use ->replacement_op in intel_spi_hw_cycle()
This way we do not need the SPI-NOR opcode -> Intel controller opcode mapping in the function anymore. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Link: https://lore.kernel.org/r/20221025064623.22808-2-mika.westerberg@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
1 parent 5cd4d38 commit f73f6bd

1 file changed

Lines changed: 23 additions & 29 deletions

File tree

drivers/spi/spi-intel.c

Lines changed: 23 additions & 29 deletions
Original file line numberDiff line numberDiff line change
@@ -352,34 +352,25 @@ static int intel_spi_opcode_index(struct intel_spi *ispi, u8 opcode, int optype)
352352
return 0;
353353
}
354354

355-
static int intel_spi_hw_cycle(struct intel_spi *ispi, u8 opcode, size_t len)
355+
static int intel_spi_hw_cycle(struct intel_spi *ispi,
356+
const struct intel_spi_mem_op *iop, size_t len)
356357
{
357358
u32 val, status;
358359
int ret;
359360

361+
if (!iop->replacement_op)
362+
return -EINVAL;
363+
360364
val = readl(ispi->base + HSFSTS_CTL);
361365
val &= ~(HSFSTS_CTL_FCYCLE_MASK | HSFSTS_CTL_FDBC_MASK);
362366

363-
switch (opcode) {
364-
case SPINOR_OP_RDID:
365-
val |= HSFSTS_CTL_FCYCLE_RDID;
366-
break;
367-
case SPINOR_OP_WRSR:
368-
val |= HSFSTS_CTL_FCYCLE_WRSR;
369-
break;
370-
case SPINOR_OP_RDSR:
371-
val |= HSFSTS_CTL_FCYCLE_RDSR;
372-
break;
373-
default:
374-
return -EINVAL;
375-
}
376-
377367
if (len > INTEL_SPI_FIFO_SZ)
378368
return -EINVAL;
379369

380370
val |= (len - 1) << HSFSTS_CTL_FDBC_SHIFT;
381371
val |= HSFSTS_CTL_FCERR | HSFSTS_CTL_FDONE;
382372
val |= HSFSTS_CTL_FGO;
373+
val |= iop->replacement_op;
383374
writel(val, ispi->base + HSFSTS_CTL);
384375

385376
ret = intel_spi_wait_hw_busy(ispi);
@@ -483,7 +474,7 @@ static int intel_spi_read_reg(struct intel_spi *ispi, const struct spi_mem *mem,
483474
ret = intel_spi_sw_cycle(ispi, opcode, nbytes,
484475
OPTYPE_READ_NO_ADDR);
485476
else
486-
ret = intel_spi_hw_cycle(ispi, opcode, nbytes);
477+
ret = intel_spi_hw_cycle(ispi, iop, nbytes);
487478

488479
if (ret)
489480
return ret;
@@ -548,7 +539,7 @@ static int intel_spi_write_reg(struct intel_spi *ispi, const struct spi_mem *mem
548539
if (ispi->swseq_reg)
549540
return intel_spi_sw_cycle(ispi, opcode, nbytes,
550541
OPTYPE_WRITE_NO_ADDR);
551-
return intel_spi_hw_cycle(ispi, opcode, nbytes);
542+
return intel_spi_hw_cycle(ispi, iop, nbytes);
552543
}
553544

554545
static int intel_spi_read(struct intel_spi *ispi, const struct spi_mem *mem,
@@ -912,18 +903,21 @@ static const struct spi_controller_mem_ops intel_spi_mem_ops = {
912903
*/
913904
#define INTEL_SPI_GENERIC_OPS \
914905
/* Status register operations */ \
915-
INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_RDID, 1), \
916-
SPI_MEM_OP_NO_ADDR, \
917-
INTEL_SPI_OP_DATA_IN(1), \
918-
intel_spi_read_reg), \
919-
INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_RDSR, 1), \
920-
SPI_MEM_OP_NO_ADDR, \
921-
INTEL_SPI_OP_DATA_IN(1), \
922-
intel_spi_read_reg), \
923-
INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_WRSR, 1), \
924-
SPI_MEM_OP_NO_ADDR, \
925-
INTEL_SPI_OP_DATA_OUT(1), \
926-
intel_spi_write_reg), \
906+
INTEL_SPI_MEM_OP_REPL(SPI_MEM_OP_CMD(SPINOR_OP_RDID, 1), \
907+
SPI_MEM_OP_NO_ADDR, \
908+
INTEL_SPI_OP_DATA_IN(1), \
909+
intel_spi_read_reg, \
910+
HSFSTS_CTL_FCYCLE_RDID), \
911+
INTEL_SPI_MEM_OP_REPL(SPI_MEM_OP_CMD(SPINOR_OP_RDSR, 1), \
912+
SPI_MEM_OP_NO_ADDR, \
913+
INTEL_SPI_OP_DATA_IN(1), \
914+
intel_spi_read_reg, \
915+
HSFSTS_CTL_FCYCLE_RDSR), \
916+
INTEL_SPI_MEM_OP_REPL(SPI_MEM_OP_CMD(SPINOR_OP_WRSR, 1), \
917+
SPI_MEM_OP_NO_ADDR, \
918+
INTEL_SPI_OP_DATA_OUT(1), \
919+
intel_spi_write_reg, \
920+
HSFSTS_CTL_FCYCLE_WRSR), \
927921
/* Normal read */ \
928922
INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_READ, 1), \
929923
INTEL_SPI_OP_ADDR(3), \

0 commit comments

Comments
 (0)