diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2015-12-08 15:49:10 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-03-30 10:53:04 +0200 |
| commit | 1e714e54b5ca5bfc75bc43ed41f8217242e831fe (patch) | |
| tree | 607976e445f5ebdf57b49181cac02e9c67eb59b8 /drivers/soc/fsl | |
| parent | 0d36fe65f58391712e11a6621075f373216e5f00 (diff) | |
| download | linux-0-day-1e714e54b5ca5bfc75bc43ed41f8217242e831fe.tar.gz linux-0-day-1e714e54b5ca5bfc75bc43ed41f8217242e831fe.tar.xz | |
powerpc: qe_lib-gpio: 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: Anatolij Gustschin <agust@denx.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/soc/fsl')
| -rw-r--r-- | drivers/soc/fsl/qe/gpio.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/soc/fsl/qe/gpio.c b/drivers/soc/fsl/qe/gpio.c index 65845712571ce..333eb2215a579 100644 --- a/drivers/soc/fsl/qe/gpio.c +++ b/drivers/soc/fsl/qe/gpio.c @@ -18,6 +18,8 @@ #include <linux/io.h> #include <linux/of.h> #include <linux/of_gpio.h> +#include <linux/gpio/driver.h> +/* FIXME: needed for gpio_to_chip() get rid of this */ #include <linux/gpio.h> #include <linux/slab.h> #include <linux/export.h> @@ -37,15 +39,9 @@ struct qe_gpio_chip { struct qe_pio_regs saved_regs; }; -static inline struct qe_gpio_chip * -to_qe_gpio_chip(struct of_mm_gpio_chip *mm_gc) -{ - return container_of(mm_gc, struct qe_gpio_chip, mm_gc); -} - static void qe_gpio_save_regs(struct of_mm_gpio_chip *mm_gc) { - struct qe_gpio_chip *qe_gc = to_qe_gpio_chip(mm_gc); + struct qe_gpio_chip *qe_gc = gpiochip_get_data(&mm_gc->gc); struct qe_pio_regs __iomem *regs = mm_gc->regs; qe_gc->cpdata = in_be32(®s->cpdata); @@ -69,7 +65,7 @@ static int qe_gpio_get(struct gpio_chip *gc, unsigned int gpio) static void qe_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct qe_gpio_chip *qe_gc = to_qe_gpio_chip(mm_gc); + struct qe_gpio_chip *qe_gc = gpiochip_get_data(gc); struct qe_pio_regs __iomem *regs = mm_gc->regs; unsigned long flags; u32 pin_mask = 1 << (QE_PIO_PINS - 1 - gpio); @@ -89,7 +85,7 @@ static void qe_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) static int qe_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct qe_gpio_chip *qe_gc = to_qe_gpio_chip(mm_gc); + struct qe_gpio_chip *qe_gc = gpiochip_get_data(gc); unsigned long flags; spin_lock_irqsave(&qe_gc->lock, flags); @@ -104,7 +100,7 @@ static int qe_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) static int qe_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct qe_gpio_chip *qe_gc = to_qe_gpio_chip(mm_gc); + struct qe_gpio_chip *qe_gc = gpiochip_get_data(gc); unsigned long flags; qe_gpio_set(gc, gpio, val); @@ -165,7 +161,7 @@ struct qe_pin *qe_pin_request(struct device_node *np, int index) } mm_gc = to_of_mm_gpio_chip(gc); - qe_gc = to_qe_gpio_chip(mm_gc); + qe_gc = gpiochip_get_data(gc); spin_lock_irqsave(&qe_gc->lock, flags); @@ -302,7 +298,7 @@ static int __init qe_add_gpiochips(void) gc->get = qe_gpio_get; gc->set = qe_gpio_set; - ret = of_mm_gpiochip_add(np, mm_gc); + ret = of_mm_gpiochip_add_data(np, mm_gc, qe_gc); if (ret) goto err; continue; |