greybus: gpio-gb.c: it now builds properly

diff --git a/drivers/staging/greybus/gpio-gb.c b/drivers/staging/greybus/gpio-gb.c
index 98b599b462c504000dcb0761b5379f5a7b11cbbb..0cbabb5606acf3a4878160b2e0cf203ebe2bfdf7 100644 (file)
--- a/drivers/staging/greybus/gpio-gb.c
+++ b/drivers/staging/greybus/gpio-gb.c
@@ -10,11 +10,13 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/gpio.h>
+#include <linux/gpio/driver.h>
 #include "greybus.h"
 
 struct gb_gpio {
        struct gpio_chip chip;
        struct greybus_device *gdev;
+       struct gpio_chip *gpio;
        // FIXME - some lock?
 };
 
@@ -25,7 +27,7 @@ static const struct greybus_device_id id_table[] = {
 
 static int direction_input(struct gpio_chip *gpio, unsigned nr)
 {
-       struct gp_gpio *gp_gpio = container_of(gpio, struct gp_gpio, chip);
+//     struct gb_gpio *gb_gpio = container_of(gpio, struct gb_gpio, chip);
 
        // FIXME - do something there
        return 0;
@@ -43,24 +45,25 @@ static int gpio_get(struct gpio_chip *gpio, unsigned nr)
        return 0;
 }
 
-static int gpio_set(struct gpio_chip *gpio, unsigned nr, int val)
+static void gpio_set(struct gpio_chip *gpio, unsigned nr, int val)
 {
        // FIXME - do something there
-       return 0;
+       return;
 }
 
 static int gpio_gb_probe(struct greybus_device *gdev, const struct greybus_device_id *id)
 {
-       struct gp_gpio *gp_gpio;
+       struct gb_gpio *gb_gpio;
        struct gpio_chip *gpio;
        struct device *dev = &gdev->dev;
+       int retval;
 
-       gp_gpio = devm_kzalloc(dev, sizeof(*gp_gpio), GFP_KERNEL);
-       if (!gp_gpio)
+       gb_gpio = devm_kzalloc(dev, sizeof(*gb_gpio), GFP_KERNEL);
+       if (!gb_gpio)
                return -ENOMEM;
-       gp_gpio->gdev = gdev;
+       gb_gpio->gdev = gdev;
 
-       gpio = &gp_gpio->gpio;
+       gpio = &gb_gpio->chip;
 
        gpio->label = "greybus_gpio";
        gpio->owner = THIS_MODULE;
@@ -73,9 +76,9 @@ static int gpio_gb_probe(struct greybus_device *gdev, const struct greybus_devic
        gpio->ngpio = 42;               // FIXME!!!
        gpio->can_sleep = false;        // FIXME!!!
 
-       greybus_set_drvdata(gdev, gp_gpio);
+       greybus_set_drvdata(gdev, gb_gpio);
 
-       retval = gpio_chip_add(gpio);
+       retval = gpiochip_add(gpio);
        if (retval) {
                dev_err(dev, "Failed to register GPIO\n");
                return retval;
@@ -86,14 +89,11 @@ static int gpio_gb_probe(struct greybus_device *gdev, const struct greybus_devic
 
 static void gpio_gb_disconnect(struct greybus_device *gdev)
 {
-       struct mmc_host *mmc;
-       struct sd_gb_host *host;
+       struct gb_gpio *gb_gpio;
 
-       host = greybus_get_drvdata(gdev);
-       mmc = host->mmc;
+       gb_gpio = greybus_get_drvdata(gdev);
 
-       mmc_remove_host(mmc);
-       mmc_free_host(mmc);
+       gpiochip_remove(&gb_gpio->chip);
 }
 
 static struct greybus_driver gpio_gb_driver = {