diff options
| author | Alexander Stein <alexander.stein@ew.tq-group.com> | 2023-07-17 11:59:33 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-07-18 14:47:55 +0300 |
| commit | dfc07ee62c03eaaaf806fccc50bd52fcbc9f828f (patch) | |
| tree | c66cf920ab1e3634b42d29d83c44de2fcd86f158 /drivers/spi/spi-fsl-lpspi.c | |
| parent | a55265eeedafee12d9743196ce5bb43266509c31 (diff) | |
| download | linux-dfc07ee62c03eaaaf806fccc50bd52fcbc9f828f.tar.xz | |
spi: spi-fsl-lpspi: Move controller initialization further down
This is a preparation for reading number of chip-selects from hardware.
This needs IO resources mapped and peripheral clocking enabled.
No functional changes intended.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20230717085934.409476-2-alexander.stein@ew.tq-group.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-lpspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-lpspi.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/drivers/spi/spi-fsl-lpspi.c b/drivers/spi/spi-fsl-lpspi.c index 0a0677f11a3d..f3b7bb1e52eb 100644 --- a/drivers/spi/spi-fsl-lpspi.c +++ b/drivers/spi/spi-fsl-lpspi.c @@ -846,22 +846,6 @@ static int fsl_lpspi_probe(struct platform_device *pdev) fsl_lpspi->is_slave = is_slave; fsl_lpspi->is_only_cs1 = of_property_read_bool((&pdev->dev)->of_node, "fsl,spi-only-use-cs1-sel"); - if (of_property_read_u32((&pdev->dev)->of_node, "num-cs", - &num_cs)) - num_cs = 1; - - controller->bits_per_word_mask = SPI_BPW_RANGE_MASK(8, 32); - controller->transfer_one = fsl_lpspi_transfer_one; - controller->prepare_transfer_hardware = lpspi_prepare_xfer_hardware; - controller->unprepare_transfer_hardware = lpspi_unprepare_xfer_hardware; - controller->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; - controller->flags = SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX; - controller->dev.of_node = pdev->dev.of_node; - controller->bus_num = pdev->id; - controller->num_chipselect = num_cs; - controller->slave_abort = fsl_lpspi_slave_abort; - if (!fsl_lpspi->is_slave) - controller->use_gpio_descriptors = true; init_completion(&fsl_lpspi->xfer_done); @@ -911,6 +895,22 @@ static int fsl_lpspi_probe(struct platform_device *pdev) temp = readl(fsl_lpspi->base + IMX7ULP_PARAM); fsl_lpspi->txfifosize = 1 << (temp & 0x0f); fsl_lpspi->rxfifosize = 1 << ((temp >> 8) & 0x0f); + if (of_property_read_u32((&pdev->dev)->of_node, "num-cs", + &num_cs)) + num_cs = 1; + + controller->bits_per_word_mask = SPI_BPW_RANGE_MASK(8, 32); + controller->transfer_one = fsl_lpspi_transfer_one; + controller->prepare_transfer_hardware = lpspi_prepare_xfer_hardware; + controller->unprepare_transfer_hardware = lpspi_unprepare_xfer_hardware; + controller->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; + controller->flags = SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX; + controller->dev.of_node = pdev->dev.of_node; + controller->bus_num = pdev->id; + controller->num_chipselect = num_cs; + controller->slave_abort = fsl_lpspi_slave_abort; + if (!fsl_lpspi->is_slave) + controller->use_gpio_descriptors = true; ret = fsl_lpspi_dma_init(&pdev->dev, fsl_lpspi, controller); if (ret == -EPROBE_DEFER) |