[PATCH 2/3] ARM: Kirkwood: Convert NSA310 to use gpio-poweroff driver

Jason Cooper jason at lakedaemon.net
Sat Dec 29 00:24:27 EST 2012


Andrew,

On Fri, Dec 28, 2012 at 03:08:49PM +0100, Andrew Lunn wrote:
> Remove the C code and add a Device Tree node for gpio-poweroff.
> 
> Signed-off-by: Andrew Lunn <andrew at lunn.ch>
> ---
>  arch/arm/boot/dts/kirkwood-nsa310.dts |    5 +++++
>  arch/arm/mach-kirkwood/board-nsa310.c |   33 ---------------------------------
>  2 files changed, 5 insertions(+), 33 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/kirkwood-nsa310.dts b/arch/arm/boot/dts/kirkwood-nsa310.dts
> index 2dc1d09..85cce36 100644
> --- a/arch/arm/boot/dts/kirkwood-nsa310.dts
> +++ b/arch/arm/boot/dts/kirkwood-nsa310.dts
> @@ -142,6 +142,11 @@
>  		};
>  	};
>  
> +	gpio_poweroff {
> +		compatible = "gpio-poweroff";
> +		gpios = <&gpio1 16 0>;
> +	};
> +
>  	regulators {
>  		compatible = "simple-bus";
>  		#address-cells = <1>;
> diff --git a/arch/arm/mach-kirkwood/board-nsa310.c b/arch/arm/mach-kirkwood/board-nsa310.c
> index d04184d..7a56273 100644
> --- a/arch/arm/mach-kirkwood/board-nsa310.c
> +++ b/arch/arm/mach-kirkwood/board-nsa310.c
> @@ -11,7 +11,6 @@
>  #include <linux/kernel.h>
>  #include <linux/init.h>
>  #include <linux/i2c.h>
> -#include <linux/gpio.h>
>  
>  #include <asm/mach-types.h>
>  #include <asm/mach/arch.h>
> @@ -19,8 +18,6 @@
>  #include "common.h"
>  #include "mpp.h"
>  
> -#define NSA310_GPIO_POWER_OFF		48
> -
>  static unsigned int nsa310_mpp_config[] __initdata = {
>  	MPP12_GPIO, /* led esata green */
>  	MPP13_GPIO, /* led esata red */
> @@ -45,42 +42,12 @@ static struct i2c_board_info __initdata nsa310_i2c_info[] = {
>  	{ I2C_BOARD_INFO("adt7476", 0x2e) },
>  };
>  
> -static void nsa310_power_off(void)
> -{
> -	gpio_set_value(NSA310_GPIO_POWER_OFF, 1);
> -}
> -
> -static int __init nsa310_gpio_request(unsigned int gpio, unsigned long flags,
> -				       const char *label)
> -{
> -	int err;
> -
> -	err = gpio_request_one(gpio, flags, label);
> -	if (err)
> -		pr_err("NSA-310: can't setup GPIO%u (%s), err=%d\n",
> -			gpio, label, err);
> -
> -	return err;
> -}
> -
> -static void __init nsa310_gpio_init(void)
> -{
> -	int err;
> -
> -	err = nsa310_gpio_request(NSA310_GPIO_POWER_OFF, GPIOF_OUT_INIT_LOW,
> -				  "Power Off");
> -	if (!err)
> -		pm_power_off = nsa310_power_off;
> -}
> -
>  void __init nsa310_init(void)
>  {
>  	u32 dev, rev;
>  
>  	kirkwood_mpp_conf(nsa310_mpp_config);

Are you working on this?

thx,

Jason.

>  
> -	nsa310_gpio_init();
> -
>  	kirkwood_pcie_id(&dev, &rev);
>  
>  	i2c_register_board_info(0, ARRAY_AND_SIZE(nsa310_i2c_info));
> -- 
> 1.7.10.4
> 



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