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authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-10 09:06:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-10 09:06:10 -0700
commit4162877d3ffa900b618c369c490c7faa6af60e47 (patch)
tree5e87df9b3cdf07dcdc072bfdddadef4eb04c18ca /drivers
parent6c61403a446b5ee54c21cecabdc821acf06f96bf (diff)
parent14f5716bc23cebb627b40a2808e9f04eb77ab206 (diff)
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED updates from Bryan Wu: "This cycle we got: - new driver for leds-mc13783 - bug fixes - code cleanup" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: leds: make sure we unregister a trigger only once leds: leds-pwm: properly clean up after probe failure leds: clevo-mail: Make probe function __init leds-ot200: Fix dependencies leds-gpio: of: introduce MODULE_DEVICE_TABLE for module autoloading leds: clevo-mail: remove __initdata marker leds: leds-ss4200: remove __initdata marker leds: blinkm: remove unnecessary spaces leds: lp5562: remove unnecessary parentheses leds: leds-ss4200: remove DEFINE_PCI_DEVICE_TABLE macro leds: leds-s3c24xx: Trivial cleanup in header file drivers/leds: delete non-required instances of include <linux/init.h> leds: leds-gpio: add retain-state-suspended property leds: leds-mc13783: Add devicetree support leds: leds-mc13783: Remove unnecessary cleaning of registers on exit leds: leds-mc13783: Use proper "max_brightness" value fo LEDs leds: leds-mc13783: Use LED core PM functions leds: leds-mc13783: Add MC34708 LED support leds: Turn off led if blinking is disabled ledtrig-cpu: Handle CPU hot(un)plugging
Diffstat (limited to 'drivers')
-rw-r--r--drivers/leds/Kconfig4
-rw-r--r--drivers/leds/led-core.c6
-rw-r--r--drivers/leds/led-triggers.c6
-rw-r--r--drivers/leds/leds-88pm860x.c1
-rw-r--r--drivers/leds/leds-adp5520.c1
-rw-r--r--drivers/leds/leds-asic3.c1
-rw-r--r--drivers/leds/leds-blinkm.c3
-rw-r--r--drivers/leds/leds-clevo-mail.c5
-rw-r--r--drivers/leds/leds-cobalt-qube.c1
-rw-r--r--drivers/leds/leds-da903x.c1
-rw-r--r--drivers/leds/leds-da9052.c1
-rw-r--r--drivers/leds/leds-fsg.c1
-rw-r--r--drivers/leds/leds-gpio.c6
-rw-r--r--drivers/leds/leds-hp6xx.c1
-rw-r--r--drivers/leds/leds-lm3533.c1
-rw-r--r--drivers/leds/leds-lp5521.c1
-rw-r--r--drivers/leds/leds-lp5523.c1
-rw-r--r--drivers/leds/leds-lp5562.c7
-rw-r--r--drivers/leds/leds-lt3593.c1
-rw-r--r--drivers/leds/leds-mc13783.c223
-rw-r--r--drivers/leds/leds-netxbig.c1
-rw-r--r--drivers/leds/leds-ns2.c1
-rw-r--r--drivers/leds/leds-ot200.c1
-rw-r--r--drivers/leds/leds-pwm.c24
-rw-r--r--drivers/leds/leds-s3c24xx.c1
-rw-r--r--drivers/leds/leds-ss4200.c4
-rw-r--r--drivers/leds/leds-wm831x-status.c1
-rw-r--r--drivers/leds/leds-wm8350.c1
-rw-r--r--drivers/leds/trigger/ledtrig-cpu.c24
29 files changed, 206 insertions, 124 deletions
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 44c358ecf5a1..6de9dfbf61c1 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -416,7 +416,7 @@ config LEDS_MC13783
depends on MFD_MC13XXX
help
This option enable support for on-chip LED drivers found
- on Freescale Semiconductor MC13783/MC13892 PMIC.
+ on Freescale Semiconductor MC13783/MC13892/MC34708 PMIC.
config LEDS_NS2
tristate "LED support for Network Space v2 GPIO LEDs"
@@ -474,7 +474,7 @@ config LEDS_LM355x
config LEDS_OT200
tristate "LED support for the Bachmann OT200"
- depends on LEDS_CLASS && HAS_IOMEM
+ depends on LEDS_CLASS && HAS_IOMEM && (X86_32 || COMPILE_TEST)
help
This option enables support for the LEDs on the Bachmann OT200.
Say Y to enable LEDs on the Bachmann OT200.
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c
index ce8921a753a3..71b40d3bf776 100644
--- a/drivers/leds/led-core.c
+++ b/drivers/leds/led-core.c
@@ -39,9 +39,11 @@ static void led_set_software_blink(struct led_classdev *led_cdev,
led_cdev->blink_delay_on = delay_on;
led_cdev->blink_delay_off = delay_off;
- /* never on - don't blink */
- if (!delay_on)
+ /* never on - just set to off */
+ if (!delay_on) {
+ __led_set_brightness(led_cdev, LED_OFF);
return;
+ }
/* never off - just set to brightness */
if (!delay_off) {
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index e387f41a9cb7..c3734f10fdd5 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -13,7 +13,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/list.h>
#include <linux/spinlock.h>
#include <linux/device.h>
@@ -220,9 +219,12 @@ void led_trigger_unregister(struct led_trigger *trig)
{
struct led_classdev *led_cdev;
+ if (list_empty_careful(&trig->next_trig))
+ return;
+
/* Remove from the list of led triggers */
down_write(&triggers_list_lock);
- list_del(&trig->next_trig);
+ list_del_init(&trig->next_trig);
up_write(&triggers_list_lock);
/* Remove anyone actively using this trigger */
diff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c
index 5f588c0a376e..d1e1bca90d11 100644
--- a/drivers/leds/leds-88pm860x.c
+++ b/drivers/leds/leds-88pm860x.c
@@ -11,7 +11,6 @@
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
diff --git a/drivers/leds/leds-adp5520.c b/drivers/leds/leds-adp5520.c
index 7e311a120b11..86b5bdb0c773 100644
--- a/drivers/leds/leds-adp5520.c
+++ b/drivers/leds/leds-adp5520.c
@@ -15,7 +15,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/workqueue.h>
diff --git a/drivers/leds/leds-asic3.c b/drivers/leds/leds-asic3.c
index 6de216a89a0c..70c74a7f0dfe 100644
--- a/drivers/leds/leds-asic3.c
+++ b/drivers/leds/leds-asic3.c
@@ -7,7 +7,6 @@
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/slab.h>
diff --git a/drivers/leds/leds-blinkm.c b/drivers/leds/leds-blinkm.c
index 66d0a57db221..d0452b099aee 100644
--- a/drivers/leds/leds-blinkm.c
+++ b/drivers/leds/leds-blinkm.c
@@ -18,7 +18,6 @@
*/
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/i2c.h>
@@ -444,7 +443,7 @@ static void led_work(struct work_struct *work)
{
int ret;
struct blinkm_led *led;
- struct blinkm_data *data ;
+ struct blinkm_data *data;
struct blinkm_work *blm_work = work_to_blmwork(work);
led = blm_work->blinkm_led;
diff --git a/drivers/leds/leds-clevo-mail.c b/drivers/leds/leds-clevo-mail.c
index d93e2455da5c..f58a354428e3 100644
--- a/drivers/leds/leds-clevo-mail.c
+++ b/drivers/leds/leds-clevo-mail.c
@@ -19,7 +19,7 @@ MODULE_AUTHOR("Márton Németh <nm127@freemail.hu>");
MODULE_DESCRIPTION("Clevo mail LED driver");
MODULE_LICENSE("GPL");
-static bool __initdata nodetect;
+static bool nodetect;
module_param_named(nodetect, nodetect, bool, 0);
MODULE_PARM_DESC(nodetect, "Skip DMI hardware detection");
@@ -153,7 +153,7 @@ static struct led_classdev clevo_mail_led = {
.flags = LED_CORE_SUSPENDRESUME,
};
-static int clevo_mail_led_probe(struct platform_device *pdev)
+static int __init clevo_mail_led_probe(struct platform_device *pdev)
{
return led_classdev_register(&pdev->dev, &clevo_mail_led);
}
@@ -165,7 +165,6 @@ static int clevo_mail_led_remove(struct platform_device *pdev)
}
static struct platform_driver clevo_mail_led_driver = {
- .probe = clevo_mail_led_probe,
.remove = clevo_mail_led_remove,
.driver = {
.name = KBUILD_MODNAME,
diff --git a/drivers/leds/leds-cobalt-qube.c b/drivers/leds/leds-cobalt-qube.c
index 8abcb66db01c..910339d86edf 100644
--- a/drivers/leds/leds-cobalt-qube.c
+++ b/drivers/leds/leds-cobalt-qube.c
@@ -3,7 +3,6 @@
*
* Control the Cobalt Qube/RaQ front LED
*/
-#include <linux/init.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/leds.h>
diff --git a/drivers/leds/leds-da903x.c b/drivers/leds/leds-da903x.c
index 2a4b87f8091a..35dffb100388 100644
--- a/drivers/leds/leds-da903x.c
+++ b/drivers/leds/leds-da903x.c
@@ -14,7 +14,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/workqueue.h>
diff --git a/drivers/leds/leds-da9052.c b/drivers/leds/leds-da9052.c
index 865d4faf874a..01486adc7f8b 100644
--- a/drivers/leds/leds-da9052.c
+++ b/drivers/leds/leds-da9052.c
@@ -14,7 +14,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/workqueue.h>
diff --git a/drivers/leds/leds-fsg.c b/drivers/leds/leds-fsg.c
index b4d5a44cc41b..2b4dc738dcd6 100644
--- a/drivers/leds/leds-fsg.c
+++ b/drivers/leds/leds-fsg.c
@@ -16,7 +16,6 @@
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/module.h>
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index 78b0e273a903..57ff20fecf57 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -11,7 +11,6 @@
*
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/leds.h>
@@ -204,6 +203,9 @@ static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
led.default_state = LEDS_GPIO_DEFSTATE_OFF;
}
+ if (of_get_property(child, "retain-state-suspended", NULL))
+ led.retain_state_suspended = 1;
+
ret = create_gpio_led(&led, &priv->leds[priv->num_leds++],
&pdev->dev, NULL);
if (ret < 0) {
@@ -224,6 +226,8 @@ static const struct of_device_id of_gpio_leds_match[] = {
{ .compatible = "gpio-leds", },
{},
};
+
+MODULE_DEVICE_TABLE(of, of_gpio_leds_match);
#else /* CONFIG_OF_GPIO */
static struct gpio_leds_priv *gpio_leds_create_of(struct platform_device *pdev)
{
diff --git a/drivers/leds/leds-hp6xx.c b/drivers/leds/leds-hp6xx.c
index 366b6055e330..d61a98896c71 100644
--- a/drivers/leds/leds-hp6xx.c
+++ b/drivers/leds/leds-hp6xx.c
@@ -12,7 +12,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <asm/hd64461.h>
diff --git a/drivers/leds/leds-lm3533.c b/drivers/leds/leds-lm3533.c
index 027ede73b80d..e2c642c1169b 100644
--- a/drivers/leds/leds-lm3533.c
+++ b/drivers/leds/leds-lm3533.c
@@ -12,7 +12,6 @@
*/
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/leds.h>
#include <linux/mfd/core.h>
#include <linux/mutex.h>
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 2ec34cfcedce..8ca197af2864 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -25,7 +25,6 @@
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/i2c.h>
-#include <linux/init.h>
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/mutex.h>
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 4ade66a2d9d4..cb5ed82994ba 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -25,7 +25,6 @@
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/i2c.h>
-#include <linux/init.h>
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/mutex.h>
diff --git a/drivers/leds/leds-lp5562.c b/drivers/leds/leds-lp5562.c
index bf006f4e44a0..ca85724ab138 100644
--- a/drivers/leds/leds-lp5562.c
+++ b/drivers/leds/leds-lp5562.c
@@ -13,7 +13,6 @@
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/i2c.h>
-#include <linux/init.h>
#include <linux/leds.h>
#include <linux/module.h>
#include <linux/mutex.h>
@@ -347,9 +346,9 @@ static void lp5562_write_program_memory(struct lp55xx_chip *chip,
/* check the size of program count */
static inline bool _is_pc_overflow(struct lp55xx_predef_pattern *ptn)
{
- return (ptn->size_r >= LP5562_PROGRAM_LENGTH ||
- ptn->size_g >= LP5562_PROGRAM_LENGTH ||
- ptn->size_b >= LP5562_PROGRAM_LENGTH);
+ return ptn->size_r >= LP5562_PROGRAM_LENGTH ||
+ ptn->size_g >= LP5562_PROGRAM_LENGTH ||
+ ptn->size_b >= LP5562_PROGRAM_LENGTH;
}
static int lp5562_run_predef_led_pattern(struct lp55xx_chip *chip, int mode)
diff --git a/drivers/leds/leds-lt3593.c b/drivers/leds/leds-lt3593.c
index 3417e5be7b57..059f5b1f3553 100644
--- a/drivers/leds/leds-lt3593.c
+++ b/drivers/leds/leds-lt3593.c
@@ -17,7 +17,6 @@
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/workqueue.h>
diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c
index ca87a1b4a0db..f1db88e25138 100644
--- a/drivers/leds/leds-mc13783.c
+++ b/drivers/leds/leds-mc13783.c
@@ -1,5 +1,5 @@
/*
- * LEDs driver for Freescale MC13783/MC13892
+ * LEDs driver for Freescale MC13783/MC13892/MC34708
*
* Copyright (C) 2010 Philippe Rétornaz
*
@@ -17,57 +17,56 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
+#include <linux/of.h>
#include <linux/workqueue.h>
#include <linux/mfd/mc13xxx.h>
-#define MC13XXX_REG_LED_CONTROL(x) (51 + (x))
-
struct mc13xxx_led_devtype {
int led_min;
int led_max;
int num_regs;
+ u32 ledctrl_base;
};
struct mc13xxx_led {
struct led_classdev cdev;
struct work_struct work;
- struct mc13xxx *master;
enum led_brightness new_brightness;
int id;
+ struct mc13xxx_leds *leds;
};
struct mc13xxx_leds {
+ struct mc13xxx *master;
struct mc13xxx_led_devtype *devtype;
int num_leds;
- struct mc13xxx_led led[0];
+ struct mc13xxx_led *led;
};
+static unsigned int mc13xxx_max_brightness(int id)
+{
+ if (id >= MC13783_LED_MD && id <= MC13783_LED_KP)
+ return 0x0f;
+ else if (id >= MC13783_LED_R1 && id <= MC13783_LED_B3)
+ return 0x1f;
+
+ return 0x3f;
+}
+
static void mc13xxx_led_work(struct work_struct *work)
{
struct mc13xxx_led *led = container_of(work, struct mc13xxx_led, work);
- int reg, mask, value, bank, off, shift;
+ struct mc13xxx_leds *leds = led->leds;
+ unsigned int reg, bank, off, shift;
switch (led->id) {
case MC13783_LED_MD:
- reg = MC13XXX_REG_LED_CONTROL(2);
- shift = 9;
- mask = 0x0f;
- value = led->new_brightness >> 4;
- break;
case MC13783_LED_AD:
- reg = MC13XXX_REG_LED_CONTROL(2);
- shift = 13;
- mask = 0x0f;
- value = led->new_brightness >> 4;
- break;
case MC13783_LED_KP:
- reg = MC13XXX_REG_LED_CONTROL(2);
- shift = 17;
- mask = 0x0f;
- value = led->new_brightness >> 4;
+ reg = 2;
+ shift = 9 + (led->id - MC13783_LED_MD) * 4;
break;
case MC13783_LED_R1:
case MC13783_LED_G1:
@@ -80,44 +79,35 @@ static void mc13xxx_led_work(struct work_struct *work)
case MC13783_LED_B3:
off = led->id - MC13783_LED_R1;
bank = off / 3;
- reg = MC13XXX_REG_LED_CONTROL(3) + bank;
+ reg = 3 + bank;
shift = (off - bank * 3) * 5 + 6;
- value = led->new_brightness >> 3;
- mask = 0x1f;
break;
case MC13892_LED_MD:
- reg = MC13XXX_REG_LED_CONTROL(0);
- shift = 3;
- mask = 0x3f;
- value = led->new_brightness >> 2;
- break;
case MC13892_LED_AD:
- reg = MC13XXX_REG_LED_CONTROL(0);
- shift = 15;
- mask = 0x3f;
- value = led->new_brightness >> 2;
- break;
case MC13892_LED_KP:
- reg = MC13XXX_REG_LED_CONTROL(1);
- shift = 3;
- mask = 0x3f;
- value = led->new_brightness >> 2;
+ reg = (led->id - MC13892_LED_MD) / 2;
+ shift = 3 + (led->id - MC13892_LED_MD) * 12;
break;
case MC13892_LED_R:
case MC13892_LED_G:
case MC13892_LED_B:
off = led->id - MC13892_LED_R;
bank = off / 2;
- reg = MC13XXX_REG_LED_CONTROL(2) + bank;
+ reg = 2 + bank;
shift = (off - bank * 2) * 12 + 3;
- value = led->new_brightness >> 2;
- mask = 0x3f;
+ break;
+ case MC34708_LED_R:
+ case MC34708_LED_G:
+ reg = 0;
+ shift = 3 + (led->id - MC34708_LED_R) * 12;
break;
default:
BUG();
}
- mc13xxx_reg_rmw(led->master, reg, mask << shift, value << shift);
+ mc13xxx_reg_rmw(leds->master, leds->devtype->ledctrl_base + reg,
+ mc13xxx_max_brightness(led->id) << shift,
+ led->new_brightness << shift);
}
static void mc13xxx_led_set(struct led_classdev *led_cdev,
@@ -130,47 +120,121 @@ static void mc13xxx_led_set(struct led_classdev *led_cdev,
schedule_work(&led->work);
}
-static int __init mc13xxx_led_probe(struct platform_device *pdev)
+#ifdef CONFIG_OF
+static struct mc13xxx_leds_platform_data __init *mc13xxx_led_probe_dt(
+ struct platform_device *pdev)
{
- struct mc13xxx_leds_platform_data *pdata = dev_get_platdata(&pdev->dev);
- struct mc13xxx *mcdev = dev_get_drvdata(pdev->dev.parent);
- struct mc13xxx_led_devtype *devtype =
- (struct mc13xxx_led_devtype *)pdev->id_entry->driver_data;
- struct mc13xxx_leds *leds;
- int i, id, num_leds, ret = -ENODATA;
- u32 reg, init_led = 0;
+ struct mc13xxx_leds *leds = platform_get_drvdata(pdev);
+ struct mc13xxx_leds_platform_data *pdata;
+ struct device_node *parent, *child;
+ struct device *dev = &pdev->dev;
+ int i = 0, ret = -ENODATA;
+
+ pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
+ if (!pdata)
+ return ERR_PTR(-ENOMEM);
+
+ of_node_get(dev->parent->of_node);
+
+ parent = of_find_node_by_name(dev->parent->of_node, "leds");
+ if (!parent)
+ goto out_node_put;
- if (!pdata) {
- dev_err(&pdev->dev, "Missing platform data\n");
- return -ENODEV;
+ ret = of_property_read_u32_array(parent, "led-control",
+ pdata->led_control,
+ leds->devtype->num_regs);
+ if (ret)
+ goto out_node_put;
+
+ pdata->num_leds = of_get_child_count(parent);
+
+ pdata->led = devm_kzalloc(dev, pdata->num_leds * sizeof(*pdata->led),
+ GFP_KERNEL);
+ if (!pdata->led) {
+ ret = -ENOMEM;
+ goto out_node_put;
}
- num_leds = pdata->num_leds;
+ for_each_child_of_node(parent, child) {
+ const char *str;
+ u32 tmp;
- if ((num_leds < 1) ||
- (num_leds > (devtype->led_max - devtype->led_min + 1))) {
- dev_err(&pdev->dev, "Invalid LED count %d\n", num_leds);
- return -EINVAL;
+ if (of_property_read_u32(child, "reg", &tmp))
+ continue;
+ pdata->led[i].id = leds->devtype->led_min + tmp;
+
+ if (!of_property_read_string(child, "label", &str))
+ pdata->led[i].name = str;
+ if (!of_property_read_string(child, "linux,default-trigger",
+ &str))
+ pdata->led[i].default_trigger = str;
+
+ i++;
}
- leds = devm_kzalloc(&pdev->dev, num_leds * sizeof(struct mc13xxx_led) +
- sizeof(struct mc13xxx_leds), GFP_KERNEL);
+ pdata->num_leds = i;
+ ret = i > 0 ? 0 : -ENODATA;
+
+out_node_put:
+ of_node_put(parent);
+
+ return ret ? ERR_PTR(ret) : pdata;
+}
+#else
+static inline struct mc13xxx_leds_platform_data __init *mc13xxx_led_probe_dt(
+ struct platform_device *pdev)
+{
+ return ERR_PTR(-ENOSYS);
+}
+#endif
+
+static int __init mc13xxx_led_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct mc13xxx_leds_platform_data *pdata = dev_get_platdata(dev);
+ struct mc13xxx *mcdev = dev_get_drvdata(dev->parent);
+ struct mc13xxx_led_devtype *devtype =
+ (struct mc13xxx_led_devtype *)pdev->id_entry->driver_data;
+ struct mc13xxx_leds *leds;
+ int i, id, ret = -ENODATA;
+ u32 init_led = 0;
+
+ leds = devm_kzalloc(dev, sizeof(*leds), GFP_KERNEL);
if (!leds)
return -ENOMEM;
leds->devtype = devtype;
- leds->num_leds = num_leds;
+ leds->master = mcdev;
platform_set_drvdata(pdev, leds);
+ if (dev->parent->of_node) {
+ pdata = mc13xxx_led_probe_dt(pdev);
+ if (IS_ERR(pdata))
+ return PTR_ERR(pdata);
+ } else if (!pdata)
+ return -ENODATA;
+
+ leds->num_leds = pdata->num_leds;
+
+ if ((leds->num_leds < 1) ||
+ (leds->num_leds > (devtype->led_max - devtype->led_min + 1))) {
+ dev_err(dev, "Invalid LED count %d\n", leds->num_leds);
+ return -EINVAL;
+ }
+
+ leds->led = devm_kzalloc(dev, leds->num_leds * sizeof(*leds->led),
+ GFP_KERNEL);
+ if (!leds->led)
+ return -ENOMEM;
+
for (i = 0; i < devtype->num_regs; i++) {
- reg = pdata->led_control[i];
- WARN_ON(reg >= (1 << 24));
- ret = mc13xxx_reg_write(mcdev, MC13XXX_REG_LED_CONTROL(i), reg);
+ ret = mc13xxx_reg_write(mcdev, leds->devtype->ledctrl_base + i,
+ pdata->led_control[i]);
if (ret)
return ret;
}
- for (i = 0; i < num_leds; i++) {
+ for (i = 0; i < leds->num_leds; i++) {
const char *name, *trig;
ret = -EINVAL;
@@ -180,30 +244,29 @@ static int __init mc13xxx_led_probe(struct platform_device *pdev)
trig = pdata->led[i].default_trigger;
if ((id > devtype->led_max) || (id < devtype->led_min)) {
- dev_err(&pdev->dev, "Invalid ID %i\n", id);
+ dev_err(dev, "Invalid ID %i\n", id);
break;
}
if (init_led & (1 << id)) {
- dev_warn(&pdev->dev,
- "LED %i already initialized\n", id);
+ dev_warn(dev, "LED %i already initialized\n", id);
break;
}
init_led |= 1 << id;
leds->led[i].id = id;
- leds->led[i].master = mcdev;
+ leds->led[i].leds = leds;
leds->led[i].cdev.name = name;
leds->led[i].cdev.default_trigger = trig;
+ leds->led[i].cdev.flags = LED_CORE_SUSPENDRESUME;
leds->led[i].cdev.brightness_set = mc13xxx_led_set;
- leds->led[i].cdev.brightness = LED_OFF;
+ leds->led[i].cdev.max_brightness = mc13xxx_max_brightness(id);
INIT_WORK(&leds->led[i].work, mc13xxx_led_work);
- ret = led_classdev_register(pdev->dev.parent,
- &leds->led[i].cdev);
+ ret = led_classdev_register(dev->parent, &leds->led[i].cdev);
if (ret) {
- dev_err(&pdev->dev, "Failed to register LED %i\n", id);
+ dev_err(dev, "Failed to register LED %i\n", id);
break;
}
}
@@ -219,7 +282,6 @@ static int __init mc13xxx_led_probe(struct platform_device *pdev)
static int mc13xxx_led_remove(struct platform_device *pdev)
{
- struct mc13xxx *mcdev = dev_get_drvdata(pdev->dev.parent);
struct mc13xxx_leds *leds = platform_get_drvdata(pdev);
int i;
@@ -228,9 +290,6 @@ static int mc13xxx_led_remove(struct platform_device *pdev)
cancel_work_sync(&leds->led[i].work);
}
- for (i = 0; i < leds->devtype->num_regs; i++)
- mc13xxx_reg_write(mcdev, MC13XXX_REG_LED_CONTROL(i), 0);
-
return 0;
}
@@ -238,17 +297,27 @@ static const struct mc13xxx_led_devtype mc13783_led_devtype = {
.led_min = MC13783_LED_MD,
.led_max = MC13783_LED_B3,
.num_regs = 6,
+ .ledctrl_base = 51,
};
static const struct mc13xxx_led_devtype mc13892_led_devtype = {
.led_min = MC13892_LED_MD,
.led_max = MC13892_LED_B,
.num_regs = 4,
+ .ledctrl_base = 51,
+};
+
+static const struct mc13xxx_led_devtype mc34708_led_devtype = {
+ .led_min = MC34708_LED_R,
+ .led_max = MC34708_LED_G,
+ .num_regs = 1,
+ .ledctrl_base = 54,
};
static const struct platform_device_id mc13xxx_led_id_table[] = {
{ "mc13783-led", (kernel_ulong_t)&mc13783_led_devtype, },
{ "mc13892-led", (kernel_ulong_t)&mc13892_led_devtype, },
+ { "mc34708-led", (kernel_ulong_t)&mc34708_led_devtype, },
{ }
};
MODULE_DEVICE_TABLE(platform, mc13xxx_led_id_table);
diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c
index 2f9f141084ba..e97f443a6e07 100644
--- a/drivers/leds/leds-netxbig.c
+++ b/drivers/leds/leds-netxbig.c
@@ -21,7 +21,6 @@
*/
#include <linux/module.h>
-#include <linux/init.h>
#include <linux/irq.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index c7a4230233ea..efa625883c83 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -23,7 +23,6 @@
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/gpio.h>
diff --git a/drivers/leds/leds-ot200.c b/drivers/leds/leds-ot200.c
index 98cae529373f..c9d906098466 100644
--- a/drivers/leds/leds-ot200.c
+++ b/drivers/leds/leds-ot200.c
@@ -8,7 +8,6 @@
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/leds.h>
diff --git a/drivers/leds/leds-pwm.c b/drivers/leds/leds-pwm.c
index 605047428b5a..7d0aaed1e23a 100644
--- a/drivers/leds/leds-pwm.c
+++ b/drivers/leds/leds-pwm.c
@@ -14,7 +14,6 @@
#include <linux/module.h>
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/of_platform.h>
#include <linux/fb.h>
@@ -84,6 +83,15 @@ static inline size_t sizeof_pwm_leds_priv(int num_leds)
(sizeof(struct led_pwm_data) * num_leds);
}
+static void led_pwm_cleanup(struct led_pwm_priv *priv)
+{
+ while (priv->num_leds--) {
+ led_classdev_unregister(&priv->leds[priv->num_leds].cdev);
+ if (priv->leds[priv->num_leds].can_sleep)
+ cancel_work_sync(&priv->leds[priv->num_leds].work);
+ }
+}
+
static int led_pwm_create_of(struct platform_device *pdev,
struct led_pwm_priv *priv)
{
@@ -131,8 +139,7 @@ static int led_pwm_create_of(struct platform_device *pdev,
return 0;
err:
- while (priv->num_leds--)
- led_classdev_unregister(&priv->leds[priv->num_leds].cdev);
+ led_pwm_cleanup(priv);
return ret;
}
@@ -200,8 +207,8 @@ static int led_pwm_probe(struct platform_device *pdev)
return 0;
err:
- while (i--)
- led_classdev_unregister(&priv->leds[i].cdev);
+ priv->num_leds = i;
+ led_pwm_cleanup(priv);
return ret;
}
@@ -209,13 +216,8 @@ err:
static int led_pwm_remove(struct platform_device *pdev)
{
struct led_pwm_priv *priv = platform_get_drvdata(pdev);
- int i;
- for (i = 0; i < priv->num_leds; i++) {
- led_classdev_unregister(&priv->leds[i].cdev);
- if (priv->leds[i].can_sleep)
- cancel_work_sync(&priv->leds[i].work);
- }
+ led_pwm_cleanup(priv);
return 0;
}
diff --git a/drivers/leds/leds-s3c24xx.c b/drivers/leds/leds-s3c24xx.c
index 98174e7240ee..28988b7b4fab 100644
--- a/drivers/leds/leds-s3c24xx.c
+++ b/drivers/leds/leds-s3c24xx.c
@@ -12,7 +12,6 @@
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/gpio.h>
diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c
index 5b8f938a8d73..2eb3ef62962b 100644
--- a/drivers/leds/leds-ss4200.c
+++ b/drivers/leds/leds-ss4200.c
@@ -63,7 +63,7 @@ MODULE_LICENSE("GPL");
/*
* PCI ID of the Intel ICH7 LPC Device within which the GPIO block lives.
*/
-static DEFINE_PCI_DEVICE_TABLE(ich7_lpc_pci_id) = {
+static const struct pci_device_id ich7_lpc_pci_id[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_30) },
@@ -78,7 +78,7 @@ static int __init ss4200_led_dmi_callback(const struct dmi_system_id *id)
return 1;
}
-static bool __initdata nodetect;
+static bool nodetect;
module_param_named(nodetect, nodetect, bool, 0);
MODULE_PARM_DESC(nodetect, "Skip DMI-based hardware detection");
diff --git a/drivers/leds/leds-wm831x-status.c b/drivers/leds/leds-wm831x-status.c
index 0a1a13f3a6a5..e72c974142d0 100644
--- a/drivers/leds/leds-wm831x-status.c
+++ b/drivers/leds/leds-wm831x-status.c
@@ -10,7 +10,6 @@
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/leds.h>
diff --git a/drivers/leds/leds-wm8350.c b/drivers/leds/leds-wm8350.c
index 3f75fd22fd49..4133ffe29015 100644
--- a/drivers/leds/leds-wm8350.c
+++ b/drivers/leds/leds-wm8350.c
@@ -10,7 +10,6 @@
*/
#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/err.h>
diff --git a/drivers/leds/trigger/ledtrig-cpu.c b/drivers/leds/trigger/ledtrig-cpu.c
index 118335eccc56..1c3ee9fcaf34 100644
--- a/drivers/leds/trigger/ledtrig-cpu.c
+++ b/drivers/leds/trigger/ledtrig-cpu.c
@@ -26,6 +26,7 @@
#include <linux/percpu.h>
#include <linux/syscore_ops.h>
#include <linux/rwsem.h>
+#include <linux/cpu.h>
#include "../leds.h"
#define MAX_NAME_LEN 8
@@ -92,6 +93,26 @@ static struct syscore_ops ledtrig_cpu_syscore_ops = {
.resume = ledtrig_cpu_syscore_resume,
};
+static int ledtrig_cpu_notify(struct notifier_block *self,
+ unsigned long action, void *hcpu)
+{
+ switch (action & ~CPU_TASKS_FROZEN) {
+ case CPU_STARTING:
+ ledtrig_cpu(CPU_LED_START);
+ break;
+ case CPU_DYING:
+ ledtrig_cpu(CPU_LED_STOP);
+ break;
+ }
+
+ return NOTIFY_OK;
+}
+
+
+static struct notifier_block ledtrig_cpu_nb = {
+ .notifier_call = ledtrig_cpu_notify,
+};
+
static int __init ledtrig_cpu_init(void)
{
int cpu;
@@ -113,6 +134,7 @@ static int __init ledtrig_cpu_init(void)
}
register_syscore_ops(&ledtrig_cpu_syscore_ops);
+ register_cpu_notifier(&ledtrig_cpu_nb);
pr_info("ledtrig-cpu: registered to indicate activity on CPUs\n");
@@ -124,6 +146,8 @@ static void __exit ledtrig_cpu_exit(void)
{
int cpu;
+ unregister_cpu_notifier(&ledtrig_cpu_nb);
+
for_each_possible_cpu(cpu) {
struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu);