From: Linus Walleij <linus.walleij@linaro.org>
To: linux-gpio@vger.kernel.org, Johan Hovold <johan@kernel.org>,
Alexandre Courbot <acourbot@nvidia.com>,
Michael Welling <mwelling@ieee.org>,
Markus Pargmann <mpa@pengutronix.de>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Kamlakant Patel <kamlakant.patel@broadcom.com>
Subject: [PATCH 084/182] gpio: xlp: use gpiochip data pointer
Date: Wed, 9 Dec 2015 14:28:59 +0100 [thread overview]
Message-ID: <1449667739-1455-1-git-send-email-linus.walleij@linaro.org> (raw)
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: Kamlakant Patel <kamlakant.patel@broadcom.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/gpio/gpio-xlp.c | 23 +++++++++--------------
1 file changed, 9 insertions(+), 14 deletions(-)
diff --git a/drivers/gpio/gpio-xlp.c b/drivers/gpio/gpio-xlp.c
index 3f31aac2ba3c..aa5813d2deb1 100644
--- a/drivers/gpio/gpio-xlp.c
+++ b/drivers/gpio/gpio-xlp.c
@@ -100,11 +100,6 @@ struct xlp_gpio_priv {
spinlock_t lock;
};
-static struct xlp_gpio_priv *gpio_chip_to_xlp_priv(struct gpio_chip *gc)
-{
- return container_of(gc, struct xlp_gpio_priv, chip);
-}
-
static int xlp_gpio_get_reg(void __iomem *addr, unsigned gpio)
{
u32 pos, regset;
@@ -133,7 +128,7 @@ static void xlp_gpio_set_reg(void __iomem *addr, unsigned gpio, int state)
static void xlp_gpio_irq_disable(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
@@ -145,7 +140,7 @@ static void xlp_gpio_irq_disable(struct irq_data *d)
static void xlp_gpio_irq_mask_ack(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
@@ -158,7 +153,7 @@ static void xlp_gpio_irq_mask_ack(struct irq_data *d)
static void xlp_gpio_irq_unmask(struct irq_data *d)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
unsigned long flags;
spin_lock_irqsave(&priv->lock, flags);
@@ -170,7 +165,7 @@ static void xlp_gpio_irq_unmask(struct irq_data *d)
static int xlp_gpio_set_irq_type(struct irq_data *d, unsigned int type)
{
struct gpio_chip *gc = irq_data_get_irq_chip_data(d);
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
int pol, irq_type;
switch (type) {
@@ -235,7 +230,7 @@ static void xlp_gpio_generic_handler(struct irq_desc *desc)
static int xlp_gpio_dir_output(struct gpio_chip *gc, unsigned gpio, int state)
{
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
BUG_ON(gpio >= gc->ngpio);
xlp_gpio_set_reg(priv->gpio_out_en, gpio, 0x1);
@@ -245,7 +240,7 @@ static int xlp_gpio_dir_output(struct gpio_chip *gc, unsigned gpio, int state)
static int xlp_gpio_dir_input(struct gpio_chip *gc, unsigned gpio)
{
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
BUG_ON(gpio >= gc->ngpio);
xlp_gpio_set_reg(priv->gpio_out_en, gpio, 0x0);
@@ -255,7 +250,7 @@ static int xlp_gpio_dir_input(struct gpio_chip *gc, unsigned gpio)
static int xlp_gpio_get(struct gpio_chip *gc, unsigned gpio)
{
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
BUG_ON(gpio >= gc->ngpio);
return xlp_gpio_get_reg(priv->gpio_paddrv, gpio);
@@ -263,7 +258,7 @@ static int xlp_gpio_get(struct gpio_chip *gc, unsigned gpio)
static void xlp_gpio_set(struct gpio_chip *gc, unsigned gpio, int state)
{
- struct xlp_gpio_priv *priv = gpio_chip_to_xlp_priv(gc);
+ struct xlp_gpio_priv *priv = gpiochip_get_data(gc);
BUG_ON(gpio >= gc->ngpio);
xlp_gpio_set_reg(priv->gpio_paddrv, gpio, state);
@@ -388,7 +383,7 @@ static int xlp_gpio_probe(struct platform_device *pdev)
return -ENODEV;
}
- err = gpiochip_add(gc);
+ err = gpiochip_add_data(gc, priv);
if (err < 0)
goto out_free_desc;
--
2.4.3
reply other threads:[~2015-12-09 13:29 UTC|newest]
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