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MIPS: txx9: iocled: 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: linux-mips@linux-mips.org
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2015-12-08 14:40:40 +01:00
parent 41f6f8ecb7
commit be7658f71e
1 changed files with 4 additions and 6 deletions
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10
arch/mips/txx9/generic/setup.c
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@ -17,7 +17,7 @@
#include <linux/module.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/gpio/driver.h>
#include <linux/platform_device.h>
#include <linux/serial_core.h>
#include <linux/mtd/physmap.h>
@ -687,16 +687,14 @@ struct txx9_iocled_data {
static int txx9_iocled_get(struct gpio_chip *chip, unsigned int offset)
{
struct txx9_iocled_data *data =
container_of(chip, struct txx9_iocled_data, chip);
struct txx9_iocled_data *data = gpiochip_get_data(chip);
return !!(data->cur_val & (1 << offset));
}
static void txx9_iocled_set(struct gpio_chip *chip, unsigned int offset,
int value)
{
struct txx9_iocled_data *data =
container_of(chip, struct txx9_iocled_data, chip);
struct txx9_iocled_data *data = gpiochip_get_data(chip);
unsigned long flags;
spin_lock_irqsave(&txx9_iocled_lock, flags);
if (value)
@ -749,7 +747,7 @@ void __init txx9_iocled_init(unsigned long baseaddr,
iocled->chip.label = "iocled";
iocled->chip.base = basenum;
iocled->chip.ngpio = num;
if (gpiochip_add(&iocled->chip))
if (gpiochip_add_data(&iocled->chip, iocled))
goto out_unmap;
if (basenum < 0)
basenum = iocled->chip.base;