diff --git a/drivers/gpio/da8xx_gpio.c b/drivers/gpio/da8xx_gpio.c
index 0308223..2994c92 100644
--- a/drivers/gpio/da8xx_gpio.c
+++ b/drivers/gpio/da8xx_gpio.c
@@ -185,97 +185,88 @@ static const struct pinmux_config gpio_pinmux[] = {
 
 
 
-int gpio_request(int gp, const char *label)
+int gpio_request(unsigned gpio, const char *label)
 {
-	if (gp >= MAX_NUM_GPIOS)
+	if (gpio >= MAX_NUM_GPIOS)
 		return -1;
 
-	if (gpio_registry[gp].is_registered)
+	if (gpio_registry[gpio].is_registered)
 		return -1;
 
-	gpio_registry[gp].is_registered = 1;
-	strncpy(gpio_registry[gp].name, label, GPIO_NAME_SIZE);
-	gpio_registry[gp].name[GPIO_NAME_SIZE - 1] = 0;
+	gpio_registry[gpio].is_registered = 1;
+	strncpy(gpio_registry[gpio].name, label, GPIO_NAME_SIZE);
+	gpio_registry[gpio].name[GPIO_NAME_SIZE - 1] = 0;
 
-	davinci_configure_pin_mux(&gpio_pinmux[gp], 1);
+	davinci_configure_pin_mux(&gpio_pinmux[gpio], 1);
 
 	return 0;
 }
 
 
-void gpio_free(int gp)
+void gpio_free(unsigned gpio)
 {
-	gpio_registry[gp].is_registered = 0;
+	gpio_registry[gpio].is_registered = 0;
 }
 
 
-void gpio_toggle_value(int gp)
+int gpio_direction_input(unsigned gpio)
 {
 	struct davinci_gpio *bank;
 
-	bank = GPIO_BANK(gp);
-	gpio_set_value(gp, !gpio_get_value(gp));
-}
-
-
-int gpio_direction_input(int gp)
-{
-	struct davinci_gpio *bank;
-
-	bank = GPIO_BANK(gp);
-	setbits_le32(&bank->dir, 1U << GPIO_BIT(gp));
+	bank = GPIO_BANK(gpio);
+	setbits_le32(&bank->dir, 1U << GPIO_BIT(gpio));
 	return 0;
 }
 
 
-int gpio_direction_output(int gp, int value)
+int gpio_direction_output(unsigned gpio, int value)
 {
 	struct davinci_gpio *bank;
 
-	bank = GPIO_BANK(gp);
-	clrbits_le32(&bank->dir, 1U << GPIO_BIT(gp));
-	gpio_set_value(gp, value);
+	bank = GPIO_BANK(gpio);
+	clrbits_le32(&bank->dir, 1U << GPIO_BIT(gpio));
+	gpio_set_value(gpio, value);
 	return 0;
 }
 
 
-int gpio_get_value(int gp)
+int gpio_get_value(unsigned gpio)
 {
 	struct davinci_gpio *bank;
 	unsigned int ip;
 
-	bank = GPIO_BANK(gp);
-	ip = in_le32(&bank->in_data) & (1U << GPIO_BIT(gp));
+	bank = GPIO_BANK(gpio);
+	ip = in_le32(&bank->in_data) & (1U << GPIO_BIT(gpio));
 	return ip ? 1 : 0;
 }
 
 
-void gpio_set_value(int gp, int value)
+void gpio_set_value(unsigned gpio, int value)
 {
 	struct davinci_gpio *bank;
 
-	bank = GPIO_BANK(gp);
+	bank = GPIO_BANK(gpio);
 
 	if (value)
-		bank->set_data = 1U << GPIO_BIT(gp);
+		bank->set_data = 1U << GPIO_BIT(gpio);
 	else
-		bank->clr_data = 1U << GPIO_BIT(gp);
+		bank->clr_data = 1U << GPIO_BIT(gpio);
 }
 
 
 void gpio_info(void)
 {
-	int gp, dir, val;
+	unsigned gpio, dir, val;
 	struct davinci_gpio *bank;
 
-	for (gp = 0; gp < MAX_NUM_GPIOS; ++gp) {
-		bank = GPIO_BANK(gp);
-		dir = in_le32(&bank->dir) & (1U << GPIO_BIT(gp));
-		val = gpio_get_value(gp);
+	for (gpio = 0; gpio < MAX_NUM_GPIOS; ++gpio) {
+		bank = GPIO_BANK(gpio);
+		dir = in_le32(&bank->dir) & (1U << GPIO_BIT(gpio));
+		val = gpio_get_value(gpio);
 
 		printf("% 4d: %s: %d [%c] %s\n",
-			gp, dir ? " in" : "out", val,
-			gpio_registry[gp].is_registered ? 'x' : ' ',
-			gpio_registry[gp].name);
+			gpio, dir ? " in" : "out", val,
+			gpio_registry[gpio].is_registered ? 'x' : ' ',
+			gpio_registry[gpio].name);
 	}
 }
diff --git a/drivers/gpio/tegra2_gpio.c b/drivers/gpio/tegra2_gpio.c
index f686e80..3edc2fb 100644
--- a/drivers/gpio/tegra2_gpio.c
+++ b/drivers/gpio/tegra2_gpio.c
@@ -49,186 +49,181 @@ static char *get_name(int i)
 	return *gpio_names[i].name ? gpio_names[i].name : "UNKNOWN";
 }
 
-/* Return config of pin 'gp' as GPIO (1) or SFPIO (0) */
-static int get_config(int gp)
+/* Return config of pin 'gpio' as GPIO (1) or SFPIO (0) */
+static int get_config(unsigned gpio)
 {
-	struct gpio_ctlr *gpio = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &gpio->gpio_bank[GPIO_BANK(gp)];
+	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
+	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
 	u32 u;
 	int type;
 
-	u = readl(&bank->gpio_config[GPIO_PORT(gp)]);
-	type =  (u >> GPIO_BIT(gp)) & 1;
+	u = readl(&bank->gpio_config[GPIO_PORT(gpio)]);
+	type =  (u >> GPIO_BIT(gpio)) & 1;
 
 	debug("get_config: port = %d, bit = %d is %s\n",
-		GPIO_FULLPORT(gp), GPIO_BIT(gp), type ? "GPIO" : "SFPIO");
+		GPIO_FULLPORT(gpio), GPIO_BIT(gpio), type ? "GPIO" : "SFPIO");
 
 	return type;
 }
 
-/* Config pin 'gp' as GPIO or SFPIO, based on 'type' */
-static void set_config(int gp, int type)
+/* Config pin 'gpio' as GPIO or SFPIO, based on 'type' */
+static void set_config(unsigned gpio, int type)
 {
-	struct gpio_ctlr *gpio = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &gpio->gpio_bank[GPIO_BANK(gp)];
+	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
+	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
 	u32 u;
 
 	debug("set_config: port = %d, bit = %d, %s\n",
-		GPIO_FULLPORT(gp), GPIO_BIT(gp), type ? "GPIO" : "SFPIO");
+		GPIO_FULLPORT(gpio), GPIO_BIT(gpio), type ? "GPIO" : "SFPIO");
 
-	u = readl(&bank->gpio_config[GPIO_PORT(gp)]);
+	u = readl(&bank->gpio_config[GPIO_PORT(gpio)]);
 	if (type)				/* GPIO */
-		u |= 1 << GPIO_BIT(gp);
+		u |= 1 << GPIO_BIT(gpio);
 	else
-		u &= ~(1 << GPIO_BIT(gp));
-	writel(u, &bank->gpio_config[GPIO_PORT(gp)]);
+		u &= ~(1 << GPIO_BIT(gpio));
+	writel(u, &bank->gpio_config[GPIO_PORT(gpio)]);
 }
 
-/* Return GPIO pin 'gp' direction - 0 = input or 1 = output */
-static int get_direction(int gp)
+/* Return GPIO pin 'gpio' direction - 0 = input or 1 = output */
+static int get_direction(unsigned gpio)
 {
-	struct gpio_ctlr *gpio = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &gpio->gpio_bank[GPIO_BANK(gp)];
+	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
+	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
 	u32 u;
 	int dir;
 
-	u = readl(&bank->gpio_dir_out[GPIO_PORT(gp)]);
-	dir =  (u >> GPIO_BIT(gp)) & 1;
+	u = readl(&bank->gpio_dir_out[GPIO_PORT(gpio)]);
+	dir =  (u >> GPIO_BIT(gpio)) & 1;
 
 	debug("get_direction: port = %d, bit = %d, %s\n",
-		GPIO_FULLPORT(gp), GPIO_BIT(gp), dir ? "OUT" : "IN");
+		GPIO_FULLPORT(gpio), GPIO_BIT(gpio), dir ? "OUT" : "IN");
 
 	return dir;
 }
 
-/* Config GPIO pin 'gp' as input or output (OE) as per 'output' */
-static void set_direction(int gp, int output)
+/* Config GPIO pin 'gpio' as input or output (OE) as per 'output' */
+static void set_direction(unsigned gpio, int output)
 {
-	struct gpio_ctlr *gpio = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &gpio->gpio_bank[GPIO_BANK(gp)];
+	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
+	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
 	u32 u;
 
 	debug("set_direction: port = %d, bit = %d, %s\n",
-		GPIO_FULLPORT(gp), GPIO_BIT(gp), output ? "OUT" : "IN");
+		GPIO_FULLPORT(gpio), GPIO_BIT(gpio), output ? "OUT" : "IN");
 
-	u = readl(&bank->gpio_dir_out[GPIO_PORT(gp)]);
+	u = readl(&bank->gpio_dir_out[GPIO_PORT(gpio)]);
 	if (output)
-		u |= 1 << GPIO_BIT(gp);
+		u |= 1 << GPIO_BIT(gpio);
 	else
-		u &= ~(1 << GPIO_BIT(gp));
-	writel(u, &bank->gpio_dir_out[GPIO_PORT(gp)]);
+		u &= ~(1 << GPIO_BIT(gpio));
+	writel(u, &bank->gpio_dir_out[GPIO_PORT(gpio)]);
 }
 
-/* set GPIO pin 'gp' output bit as 0 or 1 as per 'high' */
-static void set_level(int gp, int high)
+/* set GPIO pin 'gpio' output bit as 0 or 1 as per 'high' */
+static void set_level(unsigned gpio, int high)
 {
-	struct gpio_ctlr *gpio = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &gpio->gpio_bank[GPIO_BANK(gp)];
+	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
+	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
 	u32 u;
 
 	debug("set_level: port = %d, bit %d == %d\n",
-		GPIO_FULLPORT(gp), GPIO_BIT(gp), high);
+		GPIO_FULLPORT(gpio), GPIO_BIT(gpio), high);
 
-	u = readl(&bank->gpio_out[GPIO_PORT(gp)]);
+	u = readl(&bank->gpio_out[GPIO_PORT(gpio)]);
 	if (high)
-		u |= 1 << GPIO_BIT(gp);
+		u |= 1 << GPIO_BIT(gpio);
 	else
-		u &= ~(1 << GPIO_BIT(gp));
-	writel(u, &bank->gpio_out[GPIO_PORT(gp)]);
+		u &= ~(1 << GPIO_BIT(gpio));
+	writel(u, &bank->gpio_out[GPIO_PORT(gpio)]);
 }
 
 /*
  * Generic_GPIO primitives.
  */
 
-int gpio_request(int gp, const char *label)
+int gpio_request(unsigned gpio, const char *label)
 {
-	if (gp >= MAX_NUM_GPIOS)
+	if (gpio >= MAX_NUM_GPIOS)
 		return -1;
 
-	strncpy(gpio_names[gp].name, label, GPIO_NAME_SIZE);
-	gpio_names[gp].name[GPIO_NAME_SIZE - 1] = '\0';
+	strncpy(gpio_names[gpio].name, label, GPIO_NAME_SIZE);
+	gpio_names[gpio].name[GPIO_NAME_SIZE - 1] = '\0';
 
 	/* Configure as a GPIO */
-	set_config(gp, 1);
+	set_config(gpio, 1);
 
 	return 0;
 }
 
-void gpio_free(int gp)
+void gpio_free(unsigned gpio)
 {
 }
 
-/* read GPIO OUT value of pin 'gp' */
-static int gpio_get_output_value(int gp)
+/* read GPIO OUT value of pin 'gpio' */
+static int gpio_get_output_value(unsigned gpio)
 {
-	struct gpio_ctlr *gpio = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &gpio->gpio_bank[GPIO_BANK(gp)];
+	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
+	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
 	int val;
 
 	debug("gpio_get_output_value: pin = %d (port %d:bit %d)\n",
-		gp, GPIO_FULLPORT(gp), GPIO_BIT(gp));
+		gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio));
 
-	val = readl(&bank->gpio_out[GPIO_PORT(gp)]);
+	val = readl(&bank->gpio_out[GPIO_PORT(gpio)]);
 
-	return (val >> GPIO_BIT(gp)) & 1;
+	return (val >> GPIO_BIT(gpio)) & 1;
 }
 
-void gpio_toggle_value(int gp)
-{
-	gpio_set_value(gp, !gpio_get_output_value(gp));
-}
-
-/* set GPIO pin 'gp' as an input */
-int gpio_direction_input(int gp)
+/* set GPIO pin 'gpio' as an input */
+int gpio_direction_input(unsigned gpio)
 {
 	debug("gpio_direction_input: pin = %d (port %d:bit %d)\n",
-		gp, GPIO_FULLPORT(gp), GPIO_BIT(gp));
+		gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio));
 
 	/* Configure GPIO direction as input. */
-	set_direction(gp, 0);
+	set_direction(gpio, 0);
 
 	return 0;
 }
 
-/* set GPIO pin 'gp' as an output, with polarity 'value' */
-int gpio_direction_output(int gp, int value)
+/* set GPIO pin 'gpio' as an output, with polarity 'value' */
+int gpio_direction_output(unsigned gpio, int value)
 {
 	debug("gpio_direction_output: pin = %d (port %d:bit %d) = %s\n",
-		gp, GPIO_FULLPORT(gp), GPIO_BIT(gp), value ? "HIGH" : "LOW");
+		gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio), value ? "HIGH" : "LOW");
 
 	/* Configure GPIO output value. */
-	set_level(gp, value);
+	set_level(gpio, value);
 
 	/* Configure GPIO direction as output. */
-	set_direction(gp, 1);
+	set_direction(gpio, 1);
 
 	return 0;
 }
 
-/* read GPIO IN value of pin 'gp' */
-int gpio_get_value(int gp)
+/* read GPIO IN value of pin 'gpio' */
+int gpio_get_value(unsigned gpio)
 {
-	struct gpio_ctlr *gpio = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
-	struct gpio_ctlr_bank *bank = &gpio->gpio_bank[GPIO_BANK(gp)];
+	struct gpio_ctlr *ctlr = (struct gpio_ctlr *)NV_PA_GPIO_BASE;
+	struct gpio_ctlr_bank *bank = &ctlr->gpio_bank[GPIO_BANK(gpio)];
 	int val;
 
 	debug("gpio_get_value: pin = %d (port %d:bit %d)\n",
-		gp, GPIO_FULLPORT(gp), GPIO_BIT(gp));
+		gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio));
 
-	val = readl(&bank->gpio_in[GPIO_PORT(gp)]);
+	val = readl(&bank->gpio_in[GPIO_PORT(gpio)]);
 
-	return (val >> GPIO_BIT(gp)) & 1;
+	return (val >> GPIO_BIT(gpio)) & 1;
 }
 
-/* write GPIO OUT value to pin 'gp' */
-void gpio_set_value(int gp, int value)
+/* write GPIO OUT value to pin 'gpio' */
+void gpio_set_value(unsigned gpio, int value)
 {
 	debug("gpio_set_value: pin = %d (port %d:bit %d), value = %d\n",
-		gp, GPIO_FULLPORT(gp), GPIO_BIT(gp), value);
+		gpio, GPIO_FULLPORT(gpio), GPIO_BIT(gpio), value);
 
 	/* Configure GPIO output value. */
-	set_level(gp, value);
+	set_level(gpio, value);
 }
 
 /*
@@ -236,7 +231,8 @@ void gpio_set_value(int gp, int value)
  */
 void gpio_info(void)
 {
-	int c, type;
+	unsigned c;
+	int type;
 
 	for (c = 0; c < MAX_NUM_GPIOS; c++) {
 		type = get_config(c);		/* GPIO, not SFPIO */
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 57542ad..55a030d 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -26,12 +26,11 @@
  * Generic GPIO API
  */
 
-int gpio_request(int gp, const char *label);
-void gpio_free(int gp);
-void gpio_toggle_value(int gp);
-int gpio_direction_input(int gp);
-int gpio_direction_output(int gp, int value);
-int gpio_get_value(int gp);
-void gpio_set_value(int gp, int value);
+int gpio_request(unsigned gpio, const char *label);
+void gpio_free(unsigned gpio);
+int gpio_direction_input(unsigned gpio);
+int gpio_get_value(unsigned gpio);
+int gpio_direction_output(unsigned gpio, int value);
+void gpio_set_value(unsigned gpio, int value);
 
 #endif	/* _GPIO_H_ */
