diff options
| -rw-r--r-- | drivers/spi/spi-mpc512x-psc.c | 40 | ||||
| -rw-r--r-- | drivers/spi/spi-mpc52xx-psc.c | 50 |
2 files changed, 21 insertions, 69 deletions
diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c index c6a610b82d4a..5bdfe4a740e9 100644 --- a/drivers/spi/spi-mpc512x-psc.c +++ b/drivers/spi/spi-mpc512x-psc.c @@ -14,11 +14,9 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/interrupt.h> -#include <linux/of_address.h> -#include <linux/of_irq.h> -#include <linux/of_platform.h> #include <linux/completion.h> #include <linux/io.h> +#include <linux/platform_device.h> #include <linux/delay.h> #include <linux/clk.h> #include <linux/spi/spi.h> @@ -458,9 +456,9 @@ static irqreturn_t mpc512x_psc_spi_isr(int irq, void *dev_id) return IRQ_NONE; } -static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, - u32 size, unsigned int irq) +static int mpc512x_psc_spi_of_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct mpc512x_psc_spi *mps; struct spi_master *master; int ret; @@ -473,8 +471,7 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, dev_set_drvdata(dev, master); mps = spi_master_get_devdata(master); - mps->type = (int)of_device_get_match_data(dev); - mps->irq = irq; + mps->type = (int)device_get_match_data(dev); master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST; master->setup = mpc512x_psc_spi_setup; @@ -485,12 +482,14 @@ static int mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, master->cleanup = mpc512x_psc_spi_cleanup; master->dev.of_node = dev->of_node; - tempp = devm_ioremap(dev, regaddr, size); + tempp = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); if (!tempp) return dev_err_probe(dev, -EFAULT, "could not ioremap I/O port range\n"); mps->psc = tempp; mps->fifo = (struct mpc512x_psc_fifo *)(tempp + sizeof(struct mpc52xx_psc)); + + mps->irq = platform_get_irq(pdev, 0); ret = devm_request_irq(dev, mps->irq, mpc512x_psc_spi_isr, IRQF_SHARED, "mpc512x-psc-spi", mps); if (ret) @@ -535,9 +534,9 @@ free_mclk_clock: return ret; } -static int mpc512x_psc_spi_do_remove(struct device *dev) +static int mpc512x_psc_spi_of_remove(struct platform_device *pdev) { - struct spi_master *master = dev_get_drvdata(dev); + struct spi_master *master = dev_get_drvdata(&pdev->dev); struct mpc512x_psc_spi *mps = spi_master_get_devdata(master); clk_disable_unprepare(mps->clk_mclk); @@ -546,27 +545,6 @@ static int mpc512x_psc_spi_do_remove(struct device *dev) return 0; } -static int mpc512x_psc_spi_of_probe(struct platform_device *op) -{ - const u32 *regaddr_p; - u64 regaddr64, size64; - - regaddr_p = of_get_address(op->dev.of_node, 0, &size64, NULL); - if (!regaddr_p) { - dev_err(&op->dev, "Invalid PSC address\n"); - return -EINVAL; - } - regaddr64 = of_translate_address(op->dev.of_node, regaddr_p); - - return mpc512x_psc_spi_do_probe(&op->dev, (u32) regaddr64, (u32) size64, - irq_of_parse_and_map(op->dev.of_node, 0)); -} - -static int mpc512x_psc_spi_of_remove(struct platform_device *op) -{ - return mpc512x_psc_spi_do_remove(&op->dev); -} - static const struct of_device_id mpc512x_psc_spi_of_match[] = { { .compatible = "fsl,mpc5121-psc-spi", .data = (void *)TYPE_MPC5121 }, { .compatible = "fsl,mpc5125-psc-spi", .data = (void *)TYPE_MPC5125 }, diff --git a/drivers/spi/spi-mpc52xx-psc.c b/drivers/spi/spi-mpc52xx-psc.c index 7477fa152da0..95a4a511c388 100644 --- a/drivers/spi/spi-mpc52xx-psc.c +++ b/drivers/spi/spi-mpc52xx-psc.c @@ -11,15 +11,14 @@ #include <linux/types.h> #include <linux/errno.h> #include <linux/interrupt.h> -#include <linux/of_address.h> -#include <linux/of_platform.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <linux/workqueue.h> #include <linux/completion.h> #include <linux/io.h> #include <linux/delay.h> #include <linux/spi/spi.h> #include <linux/slab.h> -#include <linux/of_irq.h> #include <asm/mpc52xx.h> #include <asm/mpc52xx_psc.h> @@ -292,12 +291,12 @@ static irqreturn_t mpc52xx_psc_spi_isr(int irq, void *dev_id) return IRQ_NONE; } -/* bus_num is used only for the case dev->platform_data == NULL */ -static int mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr, - u32 size, unsigned int irq, s16 bus_num) +static int mpc52xx_psc_spi_of_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct mpc52xx_psc_spi *mps; struct spi_master *master; + u32 bus_num; int ret; master = devm_spi_alloc_master(dev, sizeof(*mps)); @@ -310,20 +309,24 @@ static int mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr, /* the spi->mode bits understood by this driver: */ master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST; - mps->irq = irq; - master->bus_num = bus_num; + ret = of_property_read_u32(dev->of_node, "cell-index", &bus_num); + if (ret || bus_num > 5) + return dev_err_probe(dev, ret ? : -EINVAL, "Invalid cell-index property\n"); + master->bus_num = bus_num + 1; + master->num_chipselect = 255; master->setup = mpc52xx_psc_spi_setup; master->transfer_one_message = mpc52xx_psc_spi_transfer_one_message; master->cleanup = mpc52xx_psc_spi_cleanup; master->dev.of_node = dev->of_node; - mps->psc = devm_ioremap(dev, regaddr, size); + mps->psc = devm_platform_get_and_ioremap_resource(pdev, 0, NULL); if (!mps->psc) return dev_err_probe(dev, -EFAULT, "could not ioremap I/O port range\n"); /* On the 5200, fifo regs are immediately ajacent to the psc regs */ mps->fifo = ((void __iomem *)mps->psc) + sizeof(struct mpc52xx_psc); + mps->irq = platform_get_irq(pdev, 0); ret = devm_request_irq(dev, mps->irq, mpc52xx_psc_spi_isr, 0, "mpc52xx-psc-spi", mps); if (ret) @@ -338,35 +341,6 @@ static int mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr, return devm_spi_register_master(dev, master); } -static int mpc52xx_psc_spi_of_probe(struct platform_device *op) -{ - const u32 *regaddr_p; - u64 regaddr64, size64; - s16 id = -1; - - regaddr_p = of_get_address(op->dev.of_node, 0, &size64, NULL); - if (!regaddr_p) { - dev_err(&op->dev, "Invalid PSC address\n"); - return -EINVAL; - } - regaddr64 = of_translate_address(op->dev.of_node, regaddr_p); - - /* get PSC id (1..6, used by port_config) */ - if (op->dev.platform_data == NULL) { - const u32 *psc_nump; - - psc_nump = of_get_property(op->dev.of_node, "cell-index", NULL); - if (!psc_nump || *psc_nump > 5) { - dev_err(&op->dev, "Invalid cell-index property\n"); - return -EINVAL; - } - id = *psc_nump + 1; - } - - return mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64, - irq_of_parse_and_map(op->dev.of_node, 0), id); -} - static const struct of_device_id mpc52xx_psc_spi_of_match[] = { { .compatible = "fsl,mpc5200-psc-spi", }, { .compatible = "mpc5200-psc-spi", }, /* old */ |