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path: root/drivers/gpio/gpio-max732x.c
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Diffstat (limited to 'drivers/gpio/gpio-max732x.c')
-rw-r--r--drivers/gpio/gpio-max732x.c34
1 files changed, 14 insertions, 20 deletions
diff --git a/drivers/gpio/gpio-max732x.c b/drivers/gpio/gpio-max732x.c
index 8c5252c6c..a9aaf9d82 100644
--- a/drivers/gpio/gpio-max732x.c
+++ b/drivers/gpio/gpio-max732x.c
@@ -158,11 +158,6 @@ struct max732x_chip {
#endif
};
-static inline struct max732x_chip *to_max732x(struct gpio_chip *gc)
-{
- return container_of(gc, struct max732x_chip, gpio_chip);
-}
-
static int max732x_writeb(struct max732x_chip *chip, int group_a, uint8_t val)
{
struct i2c_client *client;
@@ -201,21 +196,21 @@ static inline int is_group_a(struct max732x_chip *chip, unsigned off)
static int max732x_gpio_get_value(struct gpio_chip *gc, unsigned off)
{
- struct max732x_chip *chip = to_max732x(gc);
+ struct max732x_chip *chip = gpiochip_get_data(gc);
uint8_t reg_val;
int ret;
ret = max732x_readb(chip, is_group_a(chip, off), &reg_val);
if (ret < 0)
- return 0;
+ return ret;
- return reg_val & (1u << (off & 0x7));
+ return !!(reg_val & (1u << (off & 0x7)));
}
static void max732x_gpio_set_mask(struct gpio_chip *gc, unsigned off, int mask,
int val)
{
- struct max732x_chip *chip = to_max732x(gc);
+ struct max732x_chip *chip = gpiochip_get_data(gc);
uint8_t reg_out;
int ret;
@@ -259,7 +254,7 @@ static void max732x_gpio_set_multiple(struct gpio_chip *gc,
static int max732x_gpio_direction_input(struct gpio_chip *gc, unsigned off)
{
- struct max732x_chip *chip = to_max732x(gc);
+ struct max732x_chip *chip = gpiochip_get_data(gc);
unsigned int mask = 1u << off;
if ((mask & chip->dir_input) == 0) {
@@ -281,7 +276,7 @@ static int max732x_gpio_direction_input(struct gpio_chip *gc, unsigned off)
static int max732x_gpio_direction_output(struct gpio_chip *gc,
unsigned off, int val)
{
- struct max732x_chip *chip = to_max732x(gc);
+ struct max732x_chip *chip = gpiochip_get_data(gc);
unsigned int mask = 1u << off;
if ((mask & chip->dir_output) == 0) {
@@ -356,7 +351,7 @@ static void max732x_irq_update_mask(struct max732x_chip *chip)
static void max732x_irq_mask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct max732x_chip *chip = to_max732x(gc);
+ struct max732x_chip *chip = gpiochip_get_data(gc);
chip->irq_mask_cur &= ~(1 << d->hwirq);
}
@@ -364,7 +359,7 @@ static void max732x_irq_mask(struct irq_data *d)
static void max732x_irq_unmask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct max732x_chip *chip = to_max732x(gc);
+ struct max732x_chip *chip = gpiochip_get_data(gc);
chip->irq_mask_cur |= 1 << d->hwirq;
}
@@ -372,7 +367,7 @@ static void max732x_irq_unmask(struct irq_data *d)
static void max732x_irq_bus_lock(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct max732x_chip *chip = to_max732x(gc);
+ struct max732x_chip *chip = gpiochip_get_data(gc);
mutex_lock(&chip->irq_lock);
chip->irq_mask_cur = chip->irq_mask;
@@ -381,7 +376,7 @@ static void max732x_irq_bus_lock(struct irq_data *d)
static void max732x_irq_bus_sync_unlock(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct max732x_chip *chip = to_max732x(gc);
+ struct max732x_chip *chip = gpiochip_get_data(gc);
uint16_t new_irqs;
uint16_t level;
@@ -400,7 +395,7 @@ static void max732x_irq_bus_sync_unlock(struct irq_data *d)
static int max732x_irq_set_type(struct irq_data *d, unsigned int type)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct max732x_chip *chip = to_max732x(gc);
+ struct max732x_chip *chip = gpiochip_get_data(gc);
uint16_t off = d->hwirq;
uint16_t mask = 1 << off;
@@ -603,7 +598,7 @@ static int max732x_setup_gpio(struct max732x_chip *chip,
gc->base = gpio_start;
gc->ngpio = port;
gc->label = chip->client->name;
- gc->dev = &chip->client->dev;
+ gc->parent = &chip->client->dev;
gc->owner = THIS_MODULE;
return port;
@@ -649,7 +644,7 @@ static int max732x_probe(struct i2c_client *client,
chip->client = client;
nr_port = max732x_setup_gpio(chip, id, pdata->gpio_base);
- chip->gpio_chip.dev = &client->dev;
+ chip->gpio_chip.parent = &client->dev;
addr_a = (client->addr & 0x0f) | 0x60;
addr_b = (client->addr & 0x0f) | 0x50;
@@ -694,7 +689,7 @@ static int max732x_probe(struct i2c_client *client,
goto out_failed;
}
- ret = gpiochip_add(&chip->gpio_chip);
+ ret = gpiochip_add_data(&chip->gpio_chip, chip);
if (ret)
goto out_failed;
@@ -749,7 +744,6 @@ static int max732x_remove(struct i2c_client *client)
static struct i2c_driver max732x_driver = {
.driver = {
.name = "max732x",
- .owner = THIS_MODULE,
.of_match_table = of_match_ptr(max732x_of_table),
},
.probe = max732x_probe,