Now that we have converted this driver to a real platform device module-based thing, we move the driver down into the LEDs subsystem and rename the config option to LEDS_VERSATILE. Cc: Bryan Wu <cooloney@xxxxxxxxx> Cc: Richard Purdie <rpurdie@xxxxxxxxx> Cc: Russell King <linux@xxxxxxxxxxxxxxxx> Cc: Pawel Moll <pawel.moll@xxxxxxx> Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> --- Bryan: can you provide an ACK for this patch so I can funnel this through the ARM SoC tree? --- arch/arm/plat-versatile/Kconfig | 6 --- arch/arm/plat-versatile/Makefile | 1 - arch/arm/plat-versatile/leds.c | 110 --------------------------------------- drivers/leds/Kconfig | 8 +++ drivers/leds/Makefile | 1 + drivers/leds/leds-versatile.c | 110 +++++++++++++++++++++++++++++++++++++++ 6 files changed, 119 insertions(+), 117 deletions(-) delete mode 100644 arch/arm/plat-versatile/leds.c create mode 100644 drivers/leds/leds-versatile.c diff --git a/arch/arm/plat-versatile/Kconfig b/arch/arm/plat-versatile/Kconfig index 2c4332b9f948..fce41e93b6a4 100644 --- a/arch/arm/plat-versatile/Kconfig +++ b/arch/arm/plat-versatile/Kconfig @@ -6,12 +6,6 @@ config PLAT_VERSATILE_CLOCK config PLAT_VERSATILE_CLCD bool -config PLAT_VERSATILE_LEDS - def_bool y if NEW_LEDS - depends on ARCH_REALVIEW || ARCH_VERSATILE - select LEDS_CLASS - select LEDS_TRIGGERS - config PLAT_VERSATILE_SCHED_CLOCK def_bool y diff --git a/arch/arm/plat-versatile/Makefile b/arch/arm/plat-versatile/Makefile index f88d448b629c..2e0c472958ae 100644 --- a/arch/arm/plat-versatile/Makefile +++ b/arch/arm/plat-versatile/Makefile @@ -2,6 +2,5 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include obj-$(CONFIG_PLAT_VERSATILE_CLOCK) += clock.o obj-$(CONFIG_PLAT_VERSATILE_CLCD) += clcd.o -obj-$(CONFIG_PLAT_VERSATILE_LEDS) += leds.o obj-$(CONFIG_PLAT_VERSATILE_SCHED_CLOCK) += sched-clock.o obj-$(CONFIG_SMP) += headsmp.o platsmp.o diff --git a/arch/arm/plat-versatile/leds.c b/arch/arm/plat-versatile/leds.c deleted file mode 100644 index 80553022d661..000000000000 --- a/arch/arm/plat-versatile/leds.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * 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@xxxxxxxxx> - */ -#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@xxxxxxxxxx>"); -MODULE_DESCRIPTION("ARM Versatile LED driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 72156c123033..93235f7378ba 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -487,6 +487,14 @@ config LEDS_BLINKM This option enables support for the BlinkM RGB LED connected through I2C. Say Y to enable support for the BlinkM LED. +config LEDS_VERSATILE + bool "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. + comment "LED Triggers" source "drivers/leds/trigger/Kconfig" diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 3cd76dbd9be2..8b4c956e11ba 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -54,6 +54,7 @@ obj-$(CONFIG_LEDS_ASIC3) += leds-asic3.o obj-$(CONFIG_LEDS_MAX8997) += leds-max8997.o obj-$(CONFIG_LEDS_LM355x) += leds-lm355x.o obj-$(CONFIG_LEDS_BLINKM) += leds-blinkm.o +obj-$(CONFIG_LEDS_VERSATILE) += leds-versatile.o # LED SPI Drivers obj-$(CONFIG_LEDS_DAC124S085) += leds-dac124s085.o diff --git a/drivers/leds/leds-versatile.c b/drivers/leds/leds-versatile.c new file mode 100644 index 000000000000..80553022d661 --- /dev/null +++ b/drivers/leds/leds-versatile.c @@ -0,0 +1,110 @@ +/* + * 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@xxxxxxxxx> + */ +#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@xxxxxxxxxx>"); +MODULE_DESCRIPTION("ARM Versatile LED driver"); +MODULE_LICENSE("GPL v2"); -- 1.8.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-leds" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html