Since we reworked the sun4i-gpadc iio driver we can now remove the mfd driver and move it's header to include/linux/iio/adc.
Signed-off-by: Philipp Rossak <[email protected]> --- drivers/iio/adc/sun4i-gpadc-iio.c | 2 +- drivers/mfd/sun4i-gpadc.c | 181 --------------------------- include/linux/{mfd => iio/adc}/sun4i-gpadc.h | 0 3 files changed, 1 insertion(+), 182 deletions(-) delete mode 100644 drivers/mfd/sun4i-gpadc.c rename include/linux/{mfd => iio/adc}/sun4i-gpadc.h (100%) diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c index 79b8efdab803..e1fe5e8e9dc0 100644 --- a/drivers/iio/adc/sun4i-gpadc-iio.c +++ b/drivers/iio/adc/sun4i-gpadc-iio.c @@ -37,7 +37,7 @@ #include <linux/iio/iio.h> #include <linux/iio/driver.h> #include <linux/iio/machine.h> -#include <linux/mfd/sun4i-gpadc.h> +#include <linux/iio/adc/sun4i-gpadc.h> static unsigned int sun4i_gpadc_chan_select(unsigned int chan) { diff --git a/drivers/mfd/sun4i-gpadc.c b/drivers/mfd/sun4i-gpadc.c deleted file mode 100644 index 9cfc88134d03..000000000000 --- a/drivers/mfd/sun4i-gpadc.c +++ /dev/null @@ -1,181 +0,0 @@ -/* ADC MFD core driver for sunxi platforms - * - * Copyright (c) 2016 Quentin Schulz <[email protected]> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ - -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/mfd/core.h> -#include <linux/module.h> -#include <linux/of_device.h> -#include <linux/of_irq.h> -#include <linux/regmap.h> - -#include <linux/mfd/sun4i-gpadc.h> - -#define ARCH_SUN4I_A10 0 -#define ARCH_SUN5I_A13 1 -#define ARCH_SUN6I_A31 2 - -static struct resource adc_resources[] = { - DEFINE_RES_IRQ_NAMED(SUN4I_GPADC_IRQ_FIFO_DATA, "FIFO_DATA_PENDING"), - DEFINE_RES_IRQ_NAMED(SUN4I_GPADC_IRQ_TEMP_DATA, "TEMP_DATA_PENDING"), -}; - -static const struct regmap_irq sun4i_gpadc_regmap_irq[] = { - REGMAP_IRQ_REG(SUN4I_GPADC_IRQ_FIFO_DATA, 0, - SUN4I_GPADC_INT_FIFOC_TP_DATA_IRQ_EN), - REGMAP_IRQ_REG(SUN4I_GPADC_IRQ_TEMP_DATA, 0, - SUN4I_GPADC_INT_FIFOC_TEMP_IRQ_EN), -}; - -static const struct regmap_irq_chip sun4i_gpadc_regmap_irq_chip = { - .name = "sun4i_gpadc_irq_chip", - .status_base = SUN4I_GPADC_INT_FIFOS, - .ack_base = SUN4I_GPADC_INT_FIFOS, - .mask_base = SUN4I_GPADC_INT_FIFOC, - .init_ack_masked = true, - .mask_invert = true, - .irqs = sun4i_gpadc_regmap_irq, - .num_irqs = ARRAY_SIZE(sun4i_gpadc_regmap_irq), - .num_regs = 1, -}; - -static struct mfd_cell sun4i_gpadc_cells[] = { - { - .name = "sun4i-a10-gpadc-iio", - .resources = adc_resources, - .num_resources = ARRAY_SIZE(adc_resources), - }, - { .name = "iio_hwmon" } -}; - -static struct mfd_cell sun5i_gpadc_cells[] = { - { - .name = "sun5i-a13-gpadc-iio", - .resources = adc_resources, - .num_resources = ARRAY_SIZE(adc_resources), - }, - { .name = "iio_hwmon" }, -}; - -static struct mfd_cell sun6i_gpadc_cells[] = { - { - .name = "sun6i-a31-gpadc-iio", - .resources = adc_resources, - .num_resources = ARRAY_SIZE(adc_resources), - }, - { .name = "iio_hwmon" }, -}; - -static const struct regmap_config sun4i_gpadc_regmap_config = { - .reg_bits = 32, - .val_bits = 32, - .reg_stride = 4, - .fast_io = true, -}; - -static const struct of_device_id sun4i_gpadc_of_match[] = { - { - .compatible = "allwinner,sun4i-a10-ts", - .data = (void *)ARCH_SUN4I_A10, - }, { - .compatible = "allwinner,sun5i-a13-ts", - .data = (void *)ARCH_SUN5I_A13, - }, { - .compatible = "allwinner,sun6i-a31-ts", - .data = (void *)ARCH_SUN6I_A31, - }, { /* sentinel */ } -}; - -MODULE_DEVICE_TABLE(of, sun4i_gpadc_of_match); - -static int sun4i_gpadc_probe(struct platform_device *pdev) -{ - struct sun4i_gpadc_dev *dev; - struct resource *mem; - const struct of_device_id *of_id; - const struct mfd_cell *cells; - unsigned int irq, size; - int ret; - - of_id = of_match_node(sun4i_gpadc_of_match, pdev->dev.of_node); - if (!of_id) - return -EINVAL; - - switch ((long)of_id->data) { - case ARCH_SUN4I_A10: - cells = sun4i_gpadc_cells; - size = ARRAY_SIZE(sun4i_gpadc_cells); - break; - case ARCH_SUN5I_A13: - cells = sun5i_gpadc_cells; - size = ARRAY_SIZE(sun5i_gpadc_cells); - break; - case ARCH_SUN6I_A31: - cells = sun6i_gpadc_cells; - size = ARRAY_SIZE(sun6i_gpadc_cells); - break; - default: - return -EINVAL; - } - - dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); - if (!dev) - return -ENOMEM; - - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - dev->base = devm_ioremap_resource(&pdev->dev, mem); - if (IS_ERR(dev->base)) - return PTR_ERR(dev->base); - - dev->dev = &pdev->dev; - dev_set_drvdata(dev->dev, dev); - - dev->regmap = devm_regmap_init_mmio(dev->dev, dev->base, - &sun4i_gpadc_regmap_config); - if (IS_ERR(dev->regmap)) { - ret = PTR_ERR(dev->regmap); - dev_err(&pdev->dev, "failed to init regmap: %d\n", ret); - return ret; - } - - /* Disable all interrupts */ - regmap_write(dev->regmap, SUN4I_GPADC_INT_FIFOC, 0); - - irq = platform_get_irq(pdev, 0); - ret = devm_regmap_add_irq_chip(&pdev->dev, dev->regmap, irq, - IRQF_ONESHOT, 0, - &sun4i_gpadc_regmap_irq_chip, - &dev->regmap_irqc); - if (ret) { - dev_err(&pdev->dev, "failed to add irq chip: %d\n", ret); - return ret; - } - - ret = devm_mfd_add_devices(dev->dev, 0, cells, size, NULL, 0, NULL); - if (ret) { - dev_err(&pdev->dev, "failed to add MFD devices: %d\n", ret); - return ret; - } - - return 0; -} - -static struct platform_driver sun4i_gpadc_driver = { - .driver = { - .name = "sun4i-gpadc", - .of_match_table = of_match_ptr(sun4i_gpadc_of_match), - }, - .probe = sun4i_gpadc_probe, -}; - -module_platform_driver(sun4i_gpadc_driver); - -MODULE_DESCRIPTION("Allwinner sunxi platforms' GPADC MFD core driver"); -MODULE_AUTHOR("Quentin Schulz <[email protected]>"); -MODULE_LICENSE("GPL v2"); diff --git a/include/linux/mfd/sun4i-gpadc.h b/include/linux/iio/adc/sun4i-gpadc.h similarity index 100% rename from include/linux/mfd/sun4i-gpadc.h rename to include/linux/iio/adc/sun4i-gpadc.h -- 2.11.0 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. 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