Remove unnecessary args from GPIO functions

Now that gpio_init() and read_gpios() doesn't use
D-Bus, they don't need the D-Bus connection parameter.

Change-Id: Id7f3ee6547bed7c0c0eed5d75cba2d6ff239d0fa
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
diff --git a/libopenbmc_intf/gpio.c b/libopenbmc_intf/gpio.c
index a33348b..33a9ffe 100644
--- a/libopenbmc_intf/gpio.c
+++ b/libopenbmc_intf/gpio.c
@@ -355,7 +355,7 @@
 }
 
 // Gets the gpio device path from gpio manager object
-int gpio_init(GDBusConnection *connection, GPIO* gpio)
+int gpio_init(GPIO* gpio)
 {
 	int rc = gpio_get_params(gpio);
 	if (rc != GPIO_OK)
diff --git a/libopenbmc_intf/gpio.h b/libopenbmc_intf/gpio.h
index a7ab8e2..dc439c8 100644
--- a/libopenbmc_intf/gpio.h
+++ b/libopenbmc_intf/gpio.h
@@ -24,7 +24,7 @@
 #define GPIO_WRITE_ERROR  0x10
 #define GPIO_LOOKUP_ERROR 0x20
 
-int gpio_init(GDBusConnection*, GPIO*);
+int gpio_init(GPIO*);
 void gpio_close(GPIO*);
 int  gpio_open(GPIO*);
 int gpio_open_interrupt(GPIO*, GIOFunc, gpointer);
diff --git a/libopenbmc_intf/gpio_configs.c b/libopenbmc_intf/gpio_configs.c
index a6ee8b6..93203c1 100644
--- a/libopenbmc_intf/gpio_configs.c
+++ b/libopenbmc_intf/gpio_configs.c
@@ -183,7 +183,7 @@
 	}
 }
 
-gboolean read_gpios(GDBusConnection *connection, GpioConfigs *gpios)
+gboolean read_gpios(GpioConfigs *gpios)
 {
 	cJSON* json = load_json();
 	if (json == NULL)
diff --git a/libopenbmc_intf/gpio_configs.h b/libopenbmc_intf/gpio_configs.h
index 233e27f..d462eb5 100644
--- a/libopenbmc_intf/gpio_configs.h
+++ b/libopenbmc_intf/gpio_configs.h
@@ -49,7 +49,7 @@
 } GpioConfigs;
 
 /* Read system configuration for GPIOs. */
-gboolean read_gpios(GDBusConnection *connection, GpioConfigs *gpios);
+gboolean read_gpios(GpioConfigs *gpios);
 /* Frees internal buffers. Does not free parameter. Does not close GPIOs. */
 void free_gpios(GpioConfigs *gpios);