[PATCH 07/17] mach-orion5x: convert custom LED code to gpio_led and LED CPU trigger

Nicolas Pitre nicolas.pitre at linaro.org
Wed Jul 6 10:05:00 EDT 2011


On Wed, 6 Jul 2011, Bryan Wu wrote:

> Signed-off-by: Bryan Wu <bryan.wu at canonical.com>

Acked-by: Nicolas Pitre <nico at fluxnic.net>


> ---
>  arch/arm/configs/orion5x_defconfig           |    1 +
>  arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c |    1 -
>  arch/arm/mach-orion5x/rd88f5181l-ge-setup.c  |    1 -
>  arch/arm/mach-orion5x/rd88f5182-setup.c      |   74 ++++++++------------------
>  arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c |    1 -
>  5 files changed, 24 insertions(+), 54 deletions(-)
> 
> diff --git a/arch/arm/configs/orion5x_defconfig b/arch/arm/configs/orion5x_defconfig
> index a288d70..6579baf 100644
> --- a/arch/arm/configs/orion5x_defconfig
> +++ b/arch/arm/configs/orion5x_defconfig
> @@ -126,6 +126,7 @@ CONFIG_LEDS_CLASS=y
>  CONFIG_LEDS_GPIO=y
>  CONFIG_LEDS_TRIGGERS=y
>  CONFIG_LEDS_TRIGGER_TIMER=y
> +CONFIG_LEDS_TRIGGER_CPU=y
>  CONFIG_LEDS_TRIGGER_HEARTBEAT=y
>  CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
>  CONFIG_RTC_CLASS=y
> diff --git a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
> index 9eec7c2..ddb6be1 100644
> --- a/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
> +++ b/arch/arm/mach-orion5x/rd88f5181l-fxo-setup.c
> @@ -19,7 +19,6 @@
>  #include <net/dsa.h>
>  #include <asm/mach-types.h>
>  #include <asm/gpio.h>
> -#include <asm/leds.h>
>  #include <asm/mach/arch.h>
>  #include <asm/mach/pci.h>
>  #include <mach/orion5x.h>
> diff --git a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
> index 0cc90bb..454f666 100644
> --- a/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
> +++ b/arch/arm/mach-orion5x/rd88f5181l-ge-setup.c
> @@ -20,7 +20,6 @@
>  #include <net/dsa.h>
>  #include <asm/mach-types.h>
>  #include <asm/gpio.h>
> -#include <asm/leds.h>
>  #include <asm/mach/arch.h>
>  #include <asm/mach/pci.h>
>  #include <mach/orion5x.h>
> diff --git a/arch/arm/mach-orion5x/rd88f5182-setup.c b/arch/arm/mach-orion5x/rd88f5182-setup.c
> index 48da39b..200e02c 100644
> --- a/arch/arm/mach-orion5x/rd88f5182-setup.c
> +++ b/arch/arm/mach-orion5x/rd88f5182-setup.c
> @@ -19,9 +19,9 @@
>  #include <linux/mv643xx_eth.h>
>  #include <linux/ata_platform.h>
>  #include <linux/i2c.h>
> +#include <linux/gpio.h>
> +#include <linux/leds.h>
>  #include <asm/mach-types.h>
> -#include <asm/gpio.h>
> -#include <asm/leds.h>
>  #include <asm/mach/arch.h>
>  #include <asm/mach/pci.h>
>  #include <mach/orion5x.h>
> @@ -54,12 +54,6 @@
>  #define RD88F5182_PCI_SLOT0_IRQ_A_PIN	7
>  #define RD88F5182_PCI_SLOT0_IRQ_B_PIN	6
>  
> -/*
> - * GPIO Debug LED
> - */
> -
> -#define RD88F5182_GPIO_DBG_LED		0
> -
>  /*****************************************************************************
>   * 16M NOR Flash on Device bus CS1
>   ****************************************************************************/
> @@ -84,55 +78,32 @@ static struct platform_device rd88f5182_nor_flash = {
>  	.resource		= &rd88f5182_nor_flash_resource,
>  };
>  
> -#ifdef CONFIG_LEDS
> -
>  /*****************************************************************************
> - * Use GPIO debug led as CPU active indication
> + * Use GPIO LED as CPU active indication
>   ****************************************************************************/
>  
> -static void rd88f5182_dbgled_event(led_event_t evt)
> -{
> -	int val;
> -
> -	if (evt == led_idle_end)
> -		val = 1;
> -	else if (evt == led_idle_start)
> -		val = 0;
> -	else
> -		return;
> -
> -	gpio_set_value(RD88F5182_GPIO_DBG_LED, val);
> -}
> -
> -static int __init rd88f5182_dbgled_init(void)
> -{
> -	int pin;
> -
> -	if (machine_is_rd88f5182()) {
> -		pin = RD88F5182_GPIO_DBG_LED;
> +#define RD88F5182_GPIO_LED		0
>  
> -		if (gpio_request(pin, "DBGLED") == 0) {
> -			if (gpio_direction_output(pin, 0) != 0) {
> -				printk(KERN_ERR "rd88f5182_dbgled_init failed "
> -						"to set output pin %d\n", pin);
> -				gpio_free(pin);
> -				return 0;
> -			}
> -		} else {
> -			printk(KERN_ERR "rd88f5182_dbgled_init failed "
> -					"to request gpio %d\n", pin);
> -			return 0;
> -		}
> -
> -		leds_event = rd88f5182_dbgled_event;
> -	}
> -
> -	return 0;
> -}
> +static struct gpio_led rd88f5182_gpio_led_pins[] = {
> +	{
> +		.name		= "rd88f5182:cpu",
> +		.default_trigger = "cpu",
> +		.gpio		= RD88F5182_GPIO_LED,
> +	},
> +};
>  
> -__initcall(rd88f5182_dbgled_init);
> +static struct gpio_led_platform_data rd88f5182_gpio_led_data = {
> +	.leds		= rd88f5182_gpio_led_pins,
> +	.num_leds	= ARRAY_SIZE(rd88f5182_gpio_led_pins),
> +};
>  
> -#endif
> +static struct platform_device rd88f5182_gpio_leds = {
> +	.name	= "leds-gpio",
> +	.id	= -1,
> +	.dev	= {
> +		.platform_data = &rd88f5182_gpio_led_data,
> +	},
> +};
>  
>  /*****************************************************************************
>   * PCI
> @@ -299,6 +270,7 @@ static void __init rd88f5182_init(void)
>  
>  	orion5x_setup_dev1_win(RD88F5182_NOR_BASE, RD88F5182_NOR_SIZE);
>  	platform_device_register(&rd88f5182_nor_flash);
> +	platform_device_register(&rd88f5182_gpio_leds);
>  
>  	i2c_register_board_info(0, &rd88f5182_i2c_rtc, 1);
>  }
> diff --git a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
> index ad2eba9..0c5d1d2 100644
> --- a/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
> +++ b/arch/arm/mach-orion5x/rd88f6183ap-ge-setup.c
> @@ -22,7 +22,6 @@
>  #include <net/dsa.h>
>  #include <asm/mach-types.h>
>  #include <asm/gpio.h>
> -#include <asm/leds.h>
>  #include <asm/mach/arch.h>
>  #include <asm/mach/pci.h>
>  #include <mach/orion5x.h>
> -- 
> 1.7.5
> 



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