leds: Delete obsolete Versatile driver (7678da8e) · Commits · 戴 / test

drivers/leds/Kconfig

+0 −8

Original line number	Diff line number	Diff line
		@@ -651,14 +651,6 @@ config LEDS_SYSCON
		devices. This will only work with device tree enabled
		devices.

		config LEDS_VERSATILE
		tristate "LED support for the ARM Versatile and RealView"
		depends on ARCH_REALVIEW \|\| ARCH_VERSATILE
		depends on LEDS_CLASS
		help
		This option enabled support for the LEDs on the ARM Versatile
		and RealView boards. Say Y to enabled these.

		config LEDS_PM8058
		tristate "LED Support for the Qualcomm PM8058 PMIC"
		depends on MFD_PM8XXX

drivers/leds/Makefile

+0 −1

Original line number	Diff line number	Diff line
		@@ -62,7 +62,6 @@ obj-$(CONFIG_LEDS_MAX8997) += leds-max8997.o
		obj-$(CONFIG_LEDS_LM355x) += leds-lm355x.o
		obj-$(CONFIG_LEDS_BLINKM) += leds-blinkm.o
		obj-$(CONFIG_LEDS_SYSCON) += leds-syscon.o
		obj-$(CONFIG_LEDS_VERSATILE) += leds-versatile.o
		obj-$(CONFIG_LEDS_MENF21BMC) += leds-menf21bmc.o
		obj-$(CONFIG_LEDS_KTD2692) += leds-ktd2692.o
		obj-$(CONFIG_LEDS_POWERNV) += leds-powernv.o

drivers/leds/leds-versatile.c

deleted100644 → 0

+0 −110

Original line number	Diff line number	Diff line
		/*
		* Driver for the 8 user LEDs found on the RealViews and Versatiles
		* Based on DaVinci's DM365 board code
		*
		* License terms: GNU General Public License (GPL) version 2
		* Author: Linus Walleij <triad@df.lth.se>
		*/
		#include <linux/kernel.h>
		#include <linux/init.h>
		#include <linux/module.h>
		#include <linux/io.h>
		#include <linux/slab.h>
		#include <linux/leds.h>
		#include <linux/platform_device.h>

		struct versatile_led {
		void __iomem *base;
		struct led_classdev cdev;
		u8 mask;
		};

		/*
		* The triggers lines up below will only be used if the
		* LED triggers are compiled in.
		*/
		static const struct {
		const char *name;
		const char *trigger;
		} versatile_leds[] = {
		{ "versatile:0", "heartbeat", },
		{ "versatile:1", "mmc0", },
		{ "versatile:2", "cpu0" },
		{ "versatile:3", "cpu1" },
		{ "versatile:4", "cpu2" },
		{ "versatile:5", "cpu3" },
		{ "versatile:6", },
		{ "versatile:7", },
		};

		static void versatile_led_set(struct led_classdev *cdev,
		enum led_brightness b)
		{
		struct versatile_led *led = container_of(cdev,
		struct versatile_led, cdev);
		u32 reg = readl(led->base);

		if (b != LED_OFF)
		reg \|= led->mask;
		else
		reg &= ~led->mask;
		writel(reg, led->base);
		}

		static enum led_brightness versatile_led_get(struct led_classdev *cdev)
		{
		struct versatile_led *led = container_of(cdev,
		struct versatile_led, cdev);
		u32 reg = readl(led->base);

		return (reg & led->mask) ? LED_FULL : LED_OFF;
		}

		static int versatile_leds_probe(struct platform_device *dev)
		{
		int i;
		struct resource *res;
		void __iomem *base;

		res = platform_get_resource(dev, IORESOURCE_MEM, 0);
		base = devm_ioremap_resource(&dev->dev, res);
		if (IS_ERR(base))
		return PTR_ERR(base);

		/* All off */
		writel(0, base);
		for (i = 0; i < ARRAY_SIZE(versatile_leds); i++) {
		struct versatile_led *led;

		led = kzalloc(sizeof(*led), GFP_KERNEL);
		if (!led)
		break;

		led->base = base;
		led->cdev.name = versatile_leds[i].name;
		led->cdev.brightness_set = versatile_led_set;
		led->cdev.brightness_get = versatile_led_get;
		led->cdev.default_trigger = versatile_leds[i].trigger;
		led->mask = BIT(i);

		if (led_classdev_register(NULL, &led->cdev) < 0) {
		kfree(led);
		break;
		}
		}

		return 0;
		}

		static struct platform_driver versatile_leds_driver = {
		.driver = {
		.name = "versatile-leds",
		},
		.probe = versatile_leds_probe,
		};

		module_platform_driver(versatile_leds_driver);

		MODULE_AUTHOR("Linus Walleij <linus.walleij@linaro.org>");
		MODULE_DESCRIPTION("ARM Versatile LED driver");
		MODULE_LICENSE("GPL v2");

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