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>,
Grygorii Strashko <grygorii.strashko@ti.com>,
Sekhar Nori <nsekhar@ti.com>,
Santosh Shilimkar <santosh.shilimkar@ti.com>
Subject: [PATCH 022/182] gpio: davinci: use gpiochip data pointer
Date: Wed, 9 Dec 2015 14:15:42 +0100 [thread overview]
Message-ID: <1449666942-30784-1-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: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Sekhar Nori <nsekhar@ti.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---
drivers/gpio/gpio-davinci.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)
diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 65ebaef935e1..84c3f777394f 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -41,9 +41,6 @@ typedef struct irq_chip *(*gpio_get_irq_chip_cb_t)(unsigned int irq);
#define BINTEN 0x8 /* GPIO Interrupt Per-Bank Enable Register */
-#define chip2controller(chip) \
- container_of(chip, struct davinci_gpio_controller, chip)
-
static void __iomem *gpio_base;
static struct davinci_gpio_regs __iomem *gpio2regs(unsigned gpio)
@@ -82,7 +79,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev);
static inline int __davinci_direction(struct gpio_chip *chip,
unsigned offset, bool out, int value)
{
- struct davinci_gpio_controller *d = chip2controller(chip);
+ struct davinci_gpio_controller *d = gpiochip_get_data(chip);
struct davinci_gpio_regs __iomem *g = d->regs;
unsigned long flags;
u32 temp;
@@ -122,7 +119,7 @@ davinci_direction_out(struct gpio_chip *chip, unsigned offset, int value)
*/
static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset)
{
- struct davinci_gpio_controller *d = chip2controller(chip);
+ struct davinci_gpio_controller *d = gpiochip_get_data(chip);
struct davinci_gpio_regs __iomem *g = d->regs;
return (1 << offset) & readl_relaxed(&g->in_data);
@@ -134,7 +131,7 @@ static int davinci_gpio_get(struct gpio_chip *chip, unsigned offset)
static void
davinci_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
- struct davinci_gpio_controller *d = chip2controller(chip);
+ struct davinci_gpio_controller *d = gpiochip_get_data(chip);
struct davinci_gpio_regs __iomem *g = d->regs;
writel_relaxed((1 << offset), value ? &g->set_data : &g->clr_data);
@@ -265,7 +262,7 @@ static int davinci_gpio_probe(struct platform_device *pdev)
chips[i].clr_data = ®s->clr_data;
chips[i].in_data = ®s->in_data;
- gpiochip_add(&chips[i].chip);
+ gpiochip_add_data(&chips[i].chip, &chips[i]);
}
platform_set_drvdata(pdev, chips);
@@ -368,7 +365,7 @@ static void gpio_irq_handler(struct irq_desc *desc)
static int gpio_to_irq_banked(struct gpio_chip *chip, unsigned offset)
{
- struct davinci_gpio_controller *d = chip2controller(chip);
+ struct davinci_gpio_controller *d = gpiochip_get_data(chip);
if (d->irq_domain)
return irq_create_mapping(d->irq_domain, d->chip.base + offset);
@@ -378,7 +375,7 @@ static int gpio_to_irq_banked(struct gpio_chip *chip, unsigned offset)
static int gpio_to_irq_unbanked(struct gpio_chip *chip, unsigned offset)
{
- struct davinci_gpio_controller *d = chip2controller(chip);
+ struct davinci_gpio_controller *d = gpiochip_get_data(chip);
/*
* NOTE: we assume for now that only irqs in the first gpio_chip
--
2.4.3
next reply other threads:[~2015-12-09 13:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-09 13:15 Linus Walleij [this message]
2015-12-22 16:09 ` [PATCH 022/182] gpio: davinci: use gpiochip data pointer Grygorii Strashko
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