ARM: Kirkwood: Convert NSA310 to use gpio-poweroff driver

Remove the C code and add a Device Tree node for gpio-poweroff.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

diff --git a/arch/arm/boot/dts/kirkwood-nsa310.dts b/arch/arm/boot/dts/kirkwood-nsa310.dts
index 2dc1d09..85cce36 100644 (file)
--- 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 891322b..cf2c78c 100644 (file)
--- a/arch/arm/mach-kirkwood/board-nsa310.c
+++ b/arch/arm/mach-kirkwood/board-nsa310.c
@@ -11,14 +11,11 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/i2c.h>
-#include <linux/gpio.h>
 #include <mach/kirkwood.h>
 #include <linux/of.h>
 #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 */
@@ -43,40 +40,10 @@ 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)
 {
        kirkwood_mpp_conf(nsa310_mpp_config);
 
-       nsa310_gpio_init();
-
        i2c_register_board_info(0, ARRAY_AND_SIZE(nsa310_i2c_info));
 }