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

This commit is contained in:
Greg Kroah-Hartman 2014-08-12 14:41:49 +08:00
parent c16854c3bf
commit e9023d227a
1 changed files with 16 additions and 16 deletions
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32
drivers/staging/greybus/gpio-gb.c
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@ -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 = {