| Message ID | 1449668865-6307-1-git-send-email-linus.walleij@linaro.org |
|---|---|
| State | New |
| Headers | show |
On Wed, 09 Dec 2015, Linus Walleij wrote: > This makes the driver use the data pointer added to the gpio_chip > to store a pointer to the state container instead of relying on > container_of(). > > Cc: Lee Jones <lee.jones@linaro.org> > Signed-off-by: Linus Walleij <linus.walleij@linaro.org> > --- > Lee please ACK this so I can take it through the GPIO tree. > --- > drivers/mfd/htc-i2cpld.c | 15 +++++---------- > 1 file changed, 5 insertions(+), 10 deletions(-) Acked-by: Lee Jones <lee.jones@linaro.org> > diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c > index bd6b96d07ab8..3f9eee5f8fb9 100644 > --- a/drivers/mfd/htc-i2cpld.c > +++ b/drivers/mfd/htc-i2cpld.c > @@ -227,8 +227,7 @@ static irqreturn_t htcpld_handler(int irq, void *dev) > static void htcpld_chip_set(struct gpio_chip *chip, unsigned offset, int val) > { > struct i2c_client *client; > - struct htcpld_chip *chip_data = > - container_of(chip, struct htcpld_chip, chip_out); > + struct htcpld_chip *chip_data = gpiochip_get_data(chip); > unsigned long flags; > > client = chip_data->client; > @@ -257,14 +256,12 @@ static void htcpld_chip_set_ni(struct work_struct *work) > > static int htcpld_chip_get(struct gpio_chip *chip, unsigned offset) > { > - struct htcpld_chip *chip_data; > + struct htcpld_chip *chip_data = gpiochip_get_data(chip); > u8 cache; > > if (!strncmp(chip->label, "htcpld-out", 10)) { > - chip_data = container_of(chip, struct htcpld_chip, chip_out); > cache = chip_data->cache_out; > } else if (!strncmp(chip->label, "htcpld-in", 9)) { > - chip_data = container_of(chip, struct htcpld_chip, chip_in); > cache = chip_data->cache_in; > } else > return -EINVAL; > @@ -291,9 +288,7 @@ static int htcpld_direction_input(struct gpio_chip *chip, > > static int htcpld_chip_to_irq(struct gpio_chip *chip, unsigned offset) > { > - struct htcpld_chip *chip_data; > - > - chip_data = container_of(chip, struct htcpld_chip, chip_in); > + struct htcpld_chip *chip_data = gpiochip_get_data(chip); > > if (offset < chip_data->nirqs) > return chip_data->irq_start + offset; > @@ -451,14 +446,14 @@ static int htcpld_register_chip_gpio( > gpio_chip->ngpio = plat_chip_data->num_gpios; > > /* Add the GPIO chips */ > - ret = gpiochip_add(&(chip->chip_out)); > + ret = gpiochip_add_data(&(chip->chip_out), chip); > if (ret) { > dev_warn(dev, "Unable to register output GPIOs for 0x%x: %d\n", > plat_chip_data->addr, ret); > return ret; > } > > - ret = gpiochip_add(&(chip->chip_in)); > + ret = gpiochip_add_data(&(chip->chip_in), chip); > if (ret) { > dev_warn(dev, "Unable to register input GPIOs for 0x%x: %d\n", > plat_chip_data->addr, ret);
diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c index bd6b96d07ab8..3f9eee5f8fb9 100644 --- a/drivers/mfd/htc-i2cpld.c +++ b/drivers/mfd/htc-i2cpld.c @@ -227,8 +227,7 @@ static irqreturn_t htcpld_handler(int irq, void *dev) static void htcpld_chip_set(struct gpio_chip *chip, unsigned offset, int val) { struct i2c_client *client; - struct htcpld_chip *chip_data = - container_of(chip, struct htcpld_chip, chip_out); + struct htcpld_chip *chip_data = gpiochip_get_data(chip); unsigned long flags; client = chip_data->client; @@ -257,14 +256,12 @@ static void htcpld_chip_set_ni(struct work_struct *work) static int htcpld_chip_get(struct gpio_chip *chip, unsigned offset) { - struct htcpld_chip *chip_data; + struct htcpld_chip *chip_data = gpiochip_get_data(chip); u8 cache; if (!strncmp(chip->label, "htcpld-out", 10)) { - chip_data = container_of(chip, struct htcpld_chip, chip_out); cache = chip_data->cache_out; } else if (!strncmp(chip->label, "htcpld-in", 9)) { - chip_data = container_of(chip, struct htcpld_chip, chip_in); cache = chip_data->cache_in; } else return -EINVAL; @@ -291,9 +288,7 @@ static int htcpld_direction_input(struct gpio_chip *chip, static int htcpld_chip_to_irq(struct gpio_chip *chip, unsigned offset) { - struct htcpld_chip *chip_data; - - chip_data = container_of(chip, struct htcpld_chip, chip_in); + struct htcpld_chip *chip_data = gpiochip_get_data(chip); if (offset < chip_data->nirqs) return chip_data->irq_start + offset; @@ -451,14 +446,14 @@ static int htcpld_register_chip_gpio( gpio_chip->ngpio = plat_chip_data->num_gpios; /* Add the GPIO chips */ - ret = gpiochip_add(&(chip->chip_out)); + ret = gpiochip_add_data(&(chip->chip_out), chip); if (ret) { dev_warn(dev, "Unable to register output GPIOs for 0x%x: %d\n", plat_chip_data->addr, ret); return ret; } - ret = gpiochip_add(&(chip->chip_in)); + ret = gpiochip_add_data(&(chip->chip_in), chip); if (ret) { dev_warn(dev, "Unable to register input GPIOs for 0x%x: %d\n", plat_chip_data->addr, ret);
This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Cc: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- Lee please ACK this so I can take it through the GPIO tree. --- drivers/mfd/htc-i2cpld.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-)