powerpc: sysdev: cpm1: 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>
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@ -532,15 +532,9 @@ struct cpm1_gpio16_chip {
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u16 cpdata;
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};
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static inline struct cpm1_gpio16_chip *
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to_cpm1_gpio16_chip(struct of_mm_gpio_chip *mm_gc)
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{
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return container_of(mm_gc, struct cpm1_gpio16_chip, mm_gc);
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}
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static void cpm1_gpio16_save_regs(struct of_mm_gpio_chip *mm_gc)
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{
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struct cpm1_gpio16_chip *cpm1_gc = to_cpm1_gpio16_chip(mm_gc);
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struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
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struct cpm_ioport16 __iomem *iop = mm_gc->regs;
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cpm1_gc->cpdata = in_be16(&iop->dat);
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@ -560,7 +554,7 @@ static int cpm1_gpio16_get(struct gpio_chip *gc, unsigned int gpio)
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static void __cpm1_gpio16_set(struct of_mm_gpio_chip *mm_gc, u16 pin_mask,
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int value)
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{
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struct cpm1_gpio16_chip *cpm1_gc = to_cpm1_gpio16_chip(mm_gc);
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struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
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struct cpm_ioport16 __iomem *iop = mm_gc->regs;
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if (value)
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@ -574,7 +568,7 @@ static void __cpm1_gpio16_set(struct of_mm_gpio_chip *mm_gc, u16 pin_mask,
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static void cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int value)
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{
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struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
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struct cpm1_gpio16_chip *cpm1_gc = to_cpm1_gpio16_chip(mm_gc);
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struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
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unsigned long flags;
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u16 pin_mask = 1 << (15 - gpio);
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@ -588,7 +582,7 @@ static void cpm1_gpio16_set(struct gpio_chip *gc, unsigned int gpio, int value)
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static int cpm1_gpio16_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
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{
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struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
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struct cpm1_gpio16_chip *cpm1_gc = to_cpm1_gpio16_chip(mm_gc);
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struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
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struct cpm_ioport16 __iomem *iop = mm_gc->regs;
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unsigned long flags;
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u16 pin_mask = 1 << (15 - gpio);
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@ -606,7 +600,7 @@ static int cpm1_gpio16_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
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static int cpm1_gpio16_dir_in(struct gpio_chip *gc, unsigned int gpio)
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{
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struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
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struct cpm1_gpio16_chip *cpm1_gc = to_cpm1_gpio16_chip(mm_gc);
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struct cpm1_gpio16_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
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struct cpm_ioport16 __iomem *iop = mm_gc->regs;
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unsigned long flags;
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u16 pin_mask = 1 << (15 - gpio);
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@ -642,7 +636,7 @@ int cpm1_gpiochip_add16(struct device_node *np)
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gc->get = cpm1_gpio16_get;
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gc->set = cpm1_gpio16_set;
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return of_mm_gpiochip_add(np, mm_gc);
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return of_mm_gpiochip_add_data(np, mm_gc, cpm1_gc);
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}
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struct cpm1_gpio32_chip {
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@ -653,15 +647,9 @@ struct cpm1_gpio32_chip {
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u32 cpdata;
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};
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static inline struct cpm1_gpio32_chip *
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to_cpm1_gpio32_chip(struct of_mm_gpio_chip *mm_gc)
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{
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return container_of(mm_gc, struct cpm1_gpio32_chip, mm_gc);
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}
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static void cpm1_gpio32_save_regs(struct of_mm_gpio_chip *mm_gc)
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{
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struct cpm1_gpio32_chip *cpm1_gc = to_cpm1_gpio32_chip(mm_gc);
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struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
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struct cpm_ioport32b __iomem *iop = mm_gc->regs;
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cpm1_gc->cpdata = in_be32(&iop->dat);
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@ -681,7 +669,7 @@ static int cpm1_gpio32_get(struct gpio_chip *gc, unsigned int gpio)
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static void __cpm1_gpio32_set(struct of_mm_gpio_chip *mm_gc, u32 pin_mask,
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int value)
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{
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struct cpm1_gpio32_chip *cpm1_gc = to_cpm1_gpio32_chip(mm_gc);
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struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
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struct cpm_ioport32b __iomem *iop = mm_gc->regs;
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if (value)
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@ -695,7 +683,7 @@ static void __cpm1_gpio32_set(struct of_mm_gpio_chip *mm_gc, u32 pin_mask,
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static void cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value)
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{
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struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
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struct cpm1_gpio32_chip *cpm1_gc = to_cpm1_gpio32_chip(mm_gc);
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struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
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unsigned long flags;
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u32 pin_mask = 1 << (31 - gpio);
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@ -709,7 +697,7 @@ static void cpm1_gpio32_set(struct gpio_chip *gc, unsigned int gpio, int value)
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static int cpm1_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
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{
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struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
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struct cpm1_gpio32_chip *cpm1_gc = to_cpm1_gpio32_chip(mm_gc);
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struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
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struct cpm_ioport32b __iomem *iop = mm_gc->regs;
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unsigned long flags;
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u32 pin_mask = 1 << (31 - gpio);
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@ -727,7 +715,7 @@ static int cpm1_gpio32_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
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static int cpm1_gpio32_dir_in(struct gpio_chip *gc, unsigned int gpio)
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{
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struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc);
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struct cpm1_gpio32_chip *cpm1_gc = to_cpm1_gpio32_chip(mm_gc);
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struct cpm1_gpio32_chip *cpm1_gc = gpiochip_get_data(&mm_gc->gc);
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struct cpm_ioport32b __iomem *iop = mm_gc->regs;
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unsigned long flags;
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u32 pin_mask = 1 << (31 - gpio);
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@ -763,7 +751,7 @@ int cpm1_gpiochip_add32(struct device_node *np)
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gc->get = cpm1_gpio32_get;
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gc->set = cpm1_gpio32_set;
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return of_mm_gpiochip_add(np, mm_gc);
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return of_mm_gpiochip_add_data(np, mm_gc, cpm1_gc);
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}
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static int cpm_init_par_io(void)
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