From 3cc291061ce542edff7a0f7127a654e9d05ee559 Mon Sep 17 00:00:00 2001 From: Paul Cercueil Date: Thu, 27 Nov 2014 16:12:17 +0100 Subject: [PATCH] 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: Paul Cercueil Signed-off-by: Lars-Peter Clausen Reviewed-by: Michal Simek Signed-off-by: Mark Brown --- drivers/spi/spi-cadence.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c index 7b811e38c7ad..240493706c36 100644 --- a/drivers/spi/spi-cadence.c +++ b/drivers/spi/spi-cadence.c @@ -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; -- 2.20.1