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authorLinus Walleij <linus.walleij@linaro.org>2014-02-27 14:44:17 +0100
committerLinus Walleij <linus.walleij@linaro.org>2014-03-28 10:54:15 +0100
commit1dc7d8374dccf2815294ceb6a1092253f45ba860 (patch)
treebeb594f2cc4adb185b4fd727a29c36860cdb2cfa /arch/arm/plat-versatile
parente4ecf2bda239ddef5f4edd0e05d48bfdf88a475d (diff)
downloadlinux-1dc7d8374dccf2815294ceb6a1092253f45ba860.tar.gz
ARM/leds: move ARM Versatile LED driver to leds subsystem
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: Richard Purdie <rpurdie@rpsys.net> Cc: Russell King <linux@arm.linux.org.uk> Cc: Pawel Moll <pawel.moll@arm.com> Acked-by: Bryan Wu <cooloney@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/plat-versatile')
-rw-r--r--arch/arm/plat-versatile/Kconfig6
-rw-r--r--arch/arm/plat-versatile/Makefile1
-rw-r--r--arch/arm/plat-versatile/leds.c110
3 files changed, 0 insertions, 117 deletions
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@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");