Merge remote-tracking branches 'spi/topic/imx', 'spi/topic/init', 'spi/topic/mpc512x...
[cascardo/linux.git] / drivers / spi / spi-tegra114.c
index 413c718..6be661e 100644 (file)
@@ -23,7 +23,6 @@
 #include <linux/dma-mapping.h>
 #include <linux/dmapool.h>
 #include <linux/err.h>
-#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
@@ -172,7 +171,6 @@ struct tegra_spi_data {
        void __iomem                            *base;
        phys_addr_t                             phys;
        unsigned                                irq;
-       u32                                     spi_max_frequency;
        u32                                     cur_speed;
 
        struct spi_device                       *cur_spi;
@@ -761,11 +759,6 @@ static int tegra_spi_setup(struct spi_device *spi)
                spi->mode & SPI_CPHA ? "" : "~",
                spi->max_speed_hz);
 
-       BUG_ON(spi->chip_select >= MAX_CHIP_SELECT);
-
-       /* Set speed to the spi max fequency if spi device has not set */
-       spi->max_speed_hz = spi->max_speed_hz ? : tspi->spi_max_frequency;
-
        ret = pm_runtime_get_sync(tspi->dev);
        if (ret < 0) {
                dev_err(tspi->dev, "pm runtime failed, e = %d\n", ret);
@@ -1019,16 +1012,6 @@ static irqreturn_t tegra_spi_isr(int irq, void *context_data)
        return IRQ_WAKE_THREAD;
 }
 
-static void tegra_spi_parse_dt(struct platform_device *pdev,
-       struct tegra_spi_data *tspi)
-{
-       struct device_node *np = pdev->dev.of_node;
-
-       if (of_property_read_u32(np, "spi-max-frequency",
-                               &tspi->spi_max_frequency))
-               tspi->spi_max_frequency = 25000000; /* 25MHz */
-}
-
 static struct of_device_id tegra_spi_of_match[] = {
        { .compatible = "nvidia,tegra114-spi", },
        {}
@@ -1050,15 +1033,15 @@ static int tegra_spi_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, master);
        tspi = spi_master_get_devdata(master);
 
-       /* Parse DT */
-       tegra_spi_parse_dt(pdev, tspi);
+       if (of_property_read_u32(pdev->dev.of_node, "spi-max-frequency",
+                                &master->max_speed_hz))
+               master->max_speed_hz = 25000000; /* 25MHz */
 
        /* the spi->mode bits understood by this driver: */
        master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
        master->setup = tegra_spi_setup;
        master->transfer_one_message = tegra_spi_transfer_one_message;
        master->num_chipselect = MAX_CHIP_SELECT;
-       master->bus_num = -1;
        master->auto_runtime_pm = true;
 
        tspi->master = master;