diff options
| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2022-10-25 09:46:20 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-11-25 19:34:03 +0000 |
| commit | f73f6bd200c399d52d7147f66b956a01c93d7606 (patch) | |
| tree | 3e25305272958c19c5bab6e926e5e2107ba3242f /drivers/spi/spi-intel.c | |
| parent | 5cd4d3886780bf9a846eada29a2aefe8bfcac027 (diff) | |
| download | linux-f73f6bd200c399d52d7147f66b956a01c93d7606.tar.bz2 | |
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>
Diffstat (limited to 'drivers/spi/spi-intel.c')
| -rw-r--r-- | drivers/spi/spi-intel.c | 52 |
1 files changed, 23 insertions, 29 deletions
diff --git a/drivers/spi/spi-intel.c b/drivers/spi/spi-intel.c index 605acb1bf4b0..2857d4086851 100644 --- a/drivers/spi/spi-intel.c +++ b/drivers/spi/spi-intel.c @@ -352,34 +352,25 @@ static int intel_spi_opcode_index(struct intel_spi *ispi, u8 opcode, int optype) return 0; } -static int intel_spi_hw_cycle(struct intel_spi *ispi, u8 opcode, size_t len) +static int intel_spi_hw_cycle(struct intel_spi *ispi, + const struct intel_spi_mem_op *iop, size_t len) { u32 val, status; int ret; + if (!iop->replacement_op) + return -EINVAL; + val = readl(ispi->base + HSFSTS_CTL); val &= ~(HSFSTS_CTL_FCYCLE_MASK | HSFSTS_CTL_FDBC_MASK); - switch (opcode) { - case SPINOR_OP_RDID: - val |= HSFSTS_CTL_FCYCLE_RDID; - break; - case SPINOR_OP_WRSR: - val |= HSFSTS_CTL_FCYCLE_WRSR; - break; - case SPINOR_OP_RDSR: - val |= HSFSTS_CTL_FCYCLE_RDSR; - break; - default: - return -EINVAL; - } - if (len > INTEL_SPI_FIFO_SZ) return -EINVAL; val |= (len - 1) << HSFSTS_CTL_FDBC_SHIFT; val |= HSFSTS_CTL_FCERR | HSFSTS_CTL_FDONE; val |= HSFSTS_CTL_FGO; + val |= iop->replacement_op; writel(val, ispi->base + HSFSTS_CTL); 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, ret = intel_spi_sw_cycle(ispi, opcode, nbytes, OPTYPE_READ_NO_ADDR); else - ret = intel_spi_hw_cycle(ispi, opcode, nbytes); + ret = intel_spi_hw_cycle(ispi, iop, nbytes); if (ret) return ret; @@ -548,7 +539,7 @@ static int intel_spi_write_reg(struct intel_spi *ispi, const struct spi_mem *mem if (ispi->swseq_reg) return intel_spi_sw_cycle(ispi, opcode, nbytes, OPTYPE_WRITE_NO_ADDR); - return intel_spi_hw_cycle(ispi, opcode, nbytes); + return intel_spi_hw_cycle(ispi, iop, nbytes); } 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 = { */ #define INTEL_SPI_GENERIC_OPS \ /* Status register operations */ \ - INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_RDID, 1), \ - SPI_MEM_OP_NO_ADDR, \ - INTEL_SPI_OP_DATA_IN(1), \ - intel_spi_read_reg), \ - INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_RDSR, 1), \ - SPI_MEM_OP_NO_ADDR, \ - INTEL_SPI_OP_DATA_IN(1), \ - intel_spi_read_reg), \ - INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_WRSR, 1), \ - SPI_MEM_OP_NO_ADDR, \ - INTEL_SPI_OP_DATA_OUT(1), \ - intel_spi_write_reg), \ + INTEL_SPI_MEM_OP_REPL(SPI_MEM_OP_CMD(SPINOR_OP_RDID, 1), \ + SPI_MEM_OP_NO_ADDR, \ + INTEL_SPI_OP_DATA_IN(1), \ + intel_spi_read_reg, \ + HSFSTS_CTL_FCYCLE_RDID), \ + INTEL_SPI_MEM_OP_REPL(SPI_MEM_OP_CMD(SPINOR_OP_RDSR, 1), \ + SPI_MEM_OP_NO_ADDR, \ + INTEL_SPI_OP_DATA_IN(1), \ + intel_spi_read_reg, \ + HSFSTS_CTL_FCYCLE_RDSR), \ + INTEL_SPI_MEM_OP_REPL(SPI_MEM_OP_CMD(SPINOR_OP_WRSR, 1), \ + SPI_MEM_OP_NO_ADDR, \ + INTEL_SPI_OP_DATA_OUT(1), \ + intel_spi_write_reg, \ + HSFSTS_CTL_FCYCLE_WRSR), \ /* Normal read */ \ INTEL_SPI_MEM_OP(SPI_MEM_OP_CMD(SPINOR_OP_READ, 1), \ INTEL_SPI_OP_ADDR(3), \ |