提交 3cc29106 编写于 作者: P Paul Cercueil 提交者: Mark Brown

spi: cadence: Init HW after reading devicetree attributes

This will make it possible to use the settings specified in the devicetree
to configure the hardware.
Signed-off-by: NPaul Cercueil <paul.cercueil@analog.com>
Signed-off-by: NLars-Peter Clausen <lars@metafoo.de>
Reviewed-by: NMichal Simek <michal.simek@xilinx.com>
Signed-off-by: NMark Brown <broonie@kernel.org>
上级 f114040e
......@@ -516,6 +516,17 @@ static int cdns_spi_probe(struct platform_device *pdev)
goto clk_dis_apb;
}
ret = of_property_read_u32(pdev->dev.of_node, "num-cs", &num_cs);
if (ret < 0)
master->num_chipselect = CDNS_SPI_DEFAULT_NUM_CS;
else
master->num_chipselect = num_cs;
ret = of_property_read_u32(pdev->dev.of_node, "is-decoded-cs",
&xspi->is_decoded_cs);
if (ret < 0)
xspi->is_decoded_cs = 0;
/* SPI controller initializations */
cdns_spi_init_hw(xspi);
......@@ -534,19 +545,6 @@ static int cdns_spi_probe(struct platform_device *pdev)
goto remove_master;
}
ret = of_property_read_u32(pdev->dev.of_node, "num-cs", &num_cs);
if (ret < 0)
master->num_chipselect = CDNS_SPI_DEFAULT_NUM_CS;
else
master->num_chipselect = num_cs;
ret = of_property_read_u32(pdev->dev.of_node, "is-decoded-cs",
&xspi->is_decoded_cs);
if (ret < 0)
xspi->is_decoded_cs = 0;
master->prepare_transfer_hardware = cdns_prepare_transfer_hardware;
master->prepare_message = cdns_prepare_message;
master->transfer_one = cdns_transfer_one;
......
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