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pinctrl: baytrail: 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().

Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-08 00:03:44 +01:00
parent 09dd5f9e24
commit bf9a5c96c8
1 changed files with 15 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/pinctrl/intel/pinctrl-baytrail.c
View File

@ -20,7 +20,7 @@
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/gpio/driver.h>
#include <linux/acpi.h>
#include <linux/platform_device.h>
#include <linux/seq_file.h>
@ -147,12 +147,10 @@ struct byt_gpio {
struct byt_gpio_pin_context *saved_context;
};
#define to_byt_gpio(c) container_of(c, struct byt_gpio, chip)
static void __iomem *byt_gpio_reg(struct gpio_chip *chip, unsigned offset,
int reg)
{
struct byt_gpio *vg = to_byt_gpio(chip);
struct byt_gpio *vg = gpiochip_get_data(chip);
u32 reg_offset;
if (reg == BYT_INT_STAT_REG)
@ -193,7 +191,7 @@ static u32 byt_get_gpio_mux(struct byt_gpio *vg, unsigned offset)
static int byt_gpio_request(struct gpio_chip *chip, unsigned offset)
{
struct byt_gpio *vg = to_byt_gpio(chip);
struct byt_gpio *vg = gpiochip_get_data(chip);
void __iomem *reg = byt_gpio_reg(chip, offset, BYT_CONF0_REG);
u32 value, gpio_mux;
unsigned long flags;
@ -229,7 +227,7 @@ static int byt_gpio_request(struct gpio_chip *chip, unsigned offset)
static void byt_gpio_free(struct gpio_chip *chip, unsigned offset)
{
struct byt_gpio *vg = to_byt_gpio(chip);
struct byt_gpio *vg = gpiochip_get_data(chip);
byt_gpio_clear_triggering(vg, offset);
pm_runtime_put(&vg->pdev->dev);
@ -237,7 +235,7 @@ static void byt_gpio_free(struct gpio_chip *chip, unsigned offset)
static int byt_irq_type(struct irq_data *d, unsigned type)
{
struct byt_gpio *vg = to_byt_gpio(irq_data_get_irq_chip_data(d));
struct byt_gpio *vg = gpiochip_get_data(irq_data_get_irq_chip_data(d));
u32 offset = irqd_to_hwirq(d);
u32 value;
unsigned long flags;
@ -273,7 +271,7 @@ static int byt_irq_type(struct irq_data *d, unsigned type)
static int byt_gpio_get(struct gpio_chip *chip, unsigned offset)
{
void __iomem *reg = byt_gpio_reg(chip, offset, BYT_VAL_REG);
struct byt_gpio *vg = to_byt_gpio(chip);
struct byt_gpio *vg = gpiochip_get_data(chip);
unsigned long flags;
u32 val;
@ -286,7 +284,7 @@ static int byt_gpio_get(struct gpio_chip *chip, unsigned offset)
static void byt_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct byt_gpio *vg = to_byt_gpio(chip);
struct byt_gpio *vg = gpiochip_get_data(chip);
void __iomem *reg = byt_gpio_reg(chip, offset, BYT_VAL_REG);
unsigned long flags;
u32 old_val;
@ -305,7 +303,7 @@ static void byt_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
static int byt_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
{
struct byt_gpio *vg = to_byt_gpio(chip);
struct byt_gpio *vg = gpiochip_get_data(chip);
void __iomem *reg = byt_gpio_reg(chip, offset, BYT_VAL_REG);
unsigned long flags;
u32 value;
@ -324,7 +322,7 @@ static int byt_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
static int byt_gpio_direction_output(struct gpio_chip *chip,
unsigned gpio, int value)
{
struct byt_gpio *vg = to_byt_gpio(chip);
struct byt_gpio *vg = gpiochip_get_data(chip);
void __iomem *conf_reg = byt_gpio_reg(chip, gpio, BYT_CONF0_REG);
void __iomem *reg = byt_gpio_reg(chip, gpio, BYT_VAL_REG);
unsigned long flags;
@ -356,7 +354,7 @@ static int byt_gpio_direction_output(struct gpio_chip *chip,
static void byt_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
{
struct byt_gpio *vg = to_byt_gpio(chip);
struct byt_gpio *vg = gpiochip_get_data(chip);
int i;
u32 conf0, val, offs;
@ -428,7 +426,7 @@ static void byt_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
static void byt_gpio_irq_handler(struct irq_desc *desc)
{
struct irq_data *data = irq_desc_get_irq_data(desc);
struct byt_gpio *vg = to_byt_gpio(irq_desc_get_handler_data(desc));
struct byt_gpio *vg = gpiochip_get_data(irq_desc_get_handler_data(desc));
struct irq_chip *chip = irq_data_get_irq_chip(data);
u32 base, pin;
void __iomem *reg;
@ -450,7 +448,7 @@ static void byt_gpio_irq_handler(struct irq_desc *desc)
static void byt_irq_ack(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct byt_gpio *vg = to_byt_gpio(gc);
struct byt_gpio *vg = gpiochip_get_data(gc);
unsigned offset = irqd_to_hwirq(d);
void __iomem *reg;
@ -463,7 +461,7 @@ static void byt_irq_ack(struct irq_data *d)
static void byt_irq_unmask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct byt_gpio *vg = to_byt_gpio(gc);
struct byt_gpio *vg = gpiochip_get_data(gc);
unsigned offset = irqd_to_hwirq(d);
unsigned long flags;
void __iomem *reg;
@ -498,7 +496,7 @@ static void byt_irq_unmask(struct irq_data *d)
static void byt_irq_mask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
struct byt_gpio *vg = to_byt_gpio(gc);
struct byt_gpio *vg = gpiochip_get_data(gc);
byt_gpio_clear_triggering(vg, irqd_to_hwirq(d));
}
@ -605,7 +603,7 @@ static int byt_gpio_probe(struct platform_device *pdev)
sizeof(*vg->saved_context), GFP_KERNEL);
#endif
ret = gpiochip_add(gc);
ret = gpiochip_add_data(gc, vg);
if (ret) {
dev_err(&pdev->dev, "failed adding byt-gpio chip\n");
return ret;