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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>
This commit is contained in:
Alexander Stein 2023-07-17 10:59:33 +02:00 committed by Mark Brown
parent a55265eeed
commit dfc07ee62c
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 16 additions and 16 deletions
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32
drivers/spi/spi-fsl-lpspi.c
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@ -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)