The JZ4740 boards now use the iio-hwmon driver.
Signed-off-by: Paul Cercueil paul@crapouillou.net Tested-by: Artur Rojek contact@artur-rojek.eu --- drivers/hwmon/Kconfig | 10 --- drivers/hwmon/Makefile | 1 - drivers/hwmon/jz4740-hwmon.c | 135 ----------------------------------- 3 files changed, 146 deletions(-) delete mode 100644 drivers/hwmon/jz4740-hwmon.c
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 650dd71f9724..2199ac1d0ba7 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -660,16 +660,6 @@ config SENSORS_IT87 This driver can also be built as a module. If so, the module will be called it87.
-config SENSORS_JZ4740 - tristate "Ingenic JZ4740 SoC ADC driver" - depends on MACH_JZ4740 && MFD_JZ4740_ADC - help - If you say yes here you get support for reading adc values from the ADCIN - pin on Ingenic JZ4740 SoC based boards. - - This driver can also be built as a module. If so, the module will be - called jz4740-hwmon. - config SENSORS_JC42 tristate "JEDEC JC42.4 compliant memory module temperature sensors" depends on I2C diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 8db472ea04f0..1e82e912a5c4 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -85,7 +85,6 @@ obj-$(CONFIG_SENSORS_INA2XX) += ina2xx.o obj-$(CONFIG_SENSORS_INA3221) += ina3221.o obj-$(CONFIG_SENSORS_IT87) += it87.o obj-$(CONFIG_SENSORS_JC42) += jc42.o -obj-$(CONFIG_SENSORS_JZ4740) += jz4740-hwmon.o obj-$(CONFIG_SENSORS_K8TEMP) += k8temp.o obj-$(CONFIG_SENSORS_K10TEMP) += k10temp.o obj-$(CONFIG_SENSORS_LINEAGE) += lineage-pem.o diff --git a/drivers/hwmon/jz4740-hwmon.c b/drivers/hwmon/jz4740-hwmon.c deleted file mode 100644 index bec5befd1d8b..000000000000 --- a/drivers/hwmon/jz4740-hwmon.c +++ /dev/null @@ -1,135 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2009-2010, Lars-Peter Clausen lars@metafoo.de - * JZ4740 SoC HWMON driver - */ - -#include <linux/err.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/io.h> - -#include <linux/completion.h> -#include <linux/mfd/core.h> - -#include <linux/hwmon.h> - -struct jz4740_hwmon { - void __iomem *base; - int irq; - const struct mfd_cell *cell; - struct platform_device *pdev; - struct completion read_completion; - struct mutex lock; -}; - -static irqreturn_t jz4740_hwmon_irq(int irq, void *data) -{ - struct jz4740_hwmon *hwmon = data; - - complete(&hwmon->read_completion); - return IRQ_HANDLED; -} - -static ssize_t in0_input_show(struct device *dev, - struct device_attribute *dev_attr, char *buf) -{ - struct jz4740_hwmon *hwmon = dev_get_drvdata(dev); - struct platform_device *pdev = hwmon->pdev; - struct completion *completion = &hwmon->read_completion; - long t; - unsigned long val; - int ret; - - mutex_lock(&hwmon->lock); - - reinit_completion(completion); - - enable_irq(hwmon->irq); - hwmon->cell->enable(pdev); - - t = wait_for_completion_interruptible_timeout(completion, HZ); - - if (t > 0) { - val = readw(hwmon->base) & 0xfff; - val = (val * 3300) >> 12; - ret = sprintf(buf, "%lu\n", val); - } else { - ret = t ? t : -ETIMEDOUT; - } - - hwmon->cell->disable(pdev); - disable_irq(hwmon->irq); - - mutex_unlock(&hwmon->lock); - - return ret; -} - -static DEVICE_ATTR_RO(in0_input); - -static struct attribute *jz4740_attrs[] = { - &dev_attr_in0_input.attr, - NULL -}; - -ATTRIBUTE_GROUPS(jz4740); - -static int jz4740_hwmon_probe(struct platform_device *pdev) -{ - int ret; - struct device *dev = &pdev->dev; - struct jz4740_hwmon *hwmon; - struct device *hwmon_dev; - - hwmon = devm_kzalloc(dev, sizeof(*hwmon), GFP_KERNEL); - if (!hwmon) - return -ENOMEM; - - hwmon->cell = mfd_get_cell(pdev); - - hwmon->irq = platform_get_irq(pdev, 0); - if (hwmon->irq < 0) { - dev_err(&pdev->dev, "Failed to get platform irq: %d\n", - hwmon->irq); - return hwmon->irq; - } - - hwmon->base = devm_platform_ioremap_resource(pdev, 0); - if (IS_ERR(hwmon->base)) - return PTR_ERR(hwmon->base); - - hwmon->pdev = pdev; - init_completion(&hwmon->read_completion); - mutex_init(&hwmon->lock); - - ret = devm_request_irq(dev, hwmon->irq, jz4740_hwmon_irq, 0, - pdev->name, hwmon); - if (ret) { - dev_err(&pdev->dev, "Failed to request irq: %d\n", ret); - return ret; - } - disable_irq(hwmon->irq); - - hwmon_dev = devm_hwmon_device_register_with_groups(dev, "jz4740", hwmon, - jz4740_groups); - return PTR_ERR_OR_ZERO(hwmon_dev); -} - -static struct platform_driver jz4740_hwmon_driver = { - .probe = jz4740_hwmon_probe, - .driver = { - .name = "jz4740-hwmon", - }, -}; - -module_platform_driver(jz4740_hwmon_driver); - -MODULE_DESCRIPTION("JZ4740 SoC HWMON driver"); -MODULE_AUTHOR("Lars-Peter Clausen lars@metafoo.de"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:jz4740-hwmon");