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gpio: vf610: use gpiochip data pointer 

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: Stefan Agner <stefan@agner.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-07 15:03:30 +01:00
parent 9af4f0ab8a
commit 65389b4900
1 changed files with 9 additions and 14 deletions
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23
drivers/gpio/gpio-vf610.c
View File

@ -62,11 +62,6 @@ struct vf610_gpio_port {
static struct irq_chip vf610_gpio_irq_chip;
static struct vf610_gpio_port *to_vf610_gp(struct gpio_chip *gc)
{
return container_of(gc, struct vf610_gpio_port, gc);
}
static const struct of_device_id vf610_gpio_dt_ids[] = {
{ .compatible = "fsl,vf610-gpio" },
{ /* sentinel */ }
@ -84,14 +79,14 @@ static inline u32 vf610_gpio_readl(void __iomem *reg)
static int vf610_gpio_get(struct gpio_chip *gc, unsigned int gpio)
{
struct vf610_gpio_port *port = to_vf610_gp(gc);
struct vf610_gpio_port *port = gpiochip_get_data(gc);
return !!(vf610_gpio_readl(port->gpio_base + GPIO_PDIR) & BIT(gpio));
}
static void vf610_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val)
{
struct vf610_gpio_port *port = to_vf610_gp(gc);
struct vf610_gpio_port *port = gpiochip_get_data(gc);
unsigned long mask = BIT(gpio);
if (val)
@ -116,7 +111,7 @@ static int vf610_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
static void vf610_gpio_irq_handler(struct irq_desc *desc)
{
struct vf610_gpio_port *port =
to_vf610_gp(irq_desc_get_handler_data(desc));
gpiochip_get_data(irq_desc_get_handler_data(desc));
struct irq_chip *chip = irq_desc_get_chip(desc);
int pin;
unsigned long irq_isfr;
@ -137,7 +132,7 @@ static void vf610_gpio_irq_handler(struct irq_desc *desc)
static void vf610_gpio_irq_ack(struct irq_data *d)
{
struct vf610_gpio_port *port =
to_vf610_gp(irq_data_get_irq_chip_data(d));
gpiochip_get_data(irq_data_get_irq_chip_data(d));
int gpio = d->hwirq;
vf610_gpio_writel(BIT(gpio), port->base + PORT_ISFR);
@ -146,7 +141,7 @@ static void vf610_gpio_irq_ack(struct irq_data *d)
static int vf610_gpio_irq_set_type(struct irq_data *d, u32 type)
{
struct vf610_gpio_port *port =
to_vf610_gp(irq_data_get_irq_chip_data(d));
gpiochip_get_data(irq_data_get_irq_chip_data(d));
u8 irqc;
switch (type) {
@ -182,7 +177,7 @@ static int vf610_gpio_irq_set_type(struct irq_data *d, u32 type)
static void vf610_gpio_irq_mask(struct irq_data *d)
{
struct vf610_gpio_port *port =
to_vf610_gp(irq_data_get_irq_chip_data(d));
gpiochip_get_data(irq_data_get_irq_chip_data(d));
void __iomem *pcr_base = port->base + PORT_PCR(d->hwirq);
vf610_gpio_writel(0, pcr_base);
@ -191,7 +186,7 @@ static void vf610_gpio_irq_mask(struct irq_data *d)
static void vf610_gpio_irq_unmask(struct irq_data *d)
{
struct vf610_gpio_port *port =
to_vf610_gp(irq_data_get_irq_chip_data(d));
gpiochip_get_data(irq_data_get_irq_chip_data(d));
void __iomem *pcr_base = port->base + PORT_PCR(d->hwirq);
vf610_gpio_writel(port->irqc[d->hwirq] << PORT_PCR_IRQC_OFFSET,
@ -201,7 +196,7 @@ static void vf610_gpio_irq_unmask(struct irq_data *d)
static int vf610_gpio_irq_set_wake(struct irq_data *d, u32 enable)
{
struct vf610_gpio_port *port =
to_vf610_gp(irq_data_get_irq_chip_data(d));
gpiochip_get_data(irq_data_get_irq_chip_data(d));
if (enable)
enable_irq_wake(port->irq);
@ -261,7 +256,7 @@ static int vf610_gpio_probe(struct platform_device *pdev)
gc->direction_output = vf610_gpio_direction_output;
gc->set = vf610_gpio_set;
ret = gpiochip_add(gc);
ret = gpiochip_add_data(gc, port);
if (ret < 0)
return ret;