diff options
author | Weike Chen <alvin.chen@intel.com> | 2014-09-17 09:18:40 -0700 |
---|---|---|
committer | Linus Walleij <linus.walleij@linaro.org> | 2014-09-23 17:51:37 +0200 |
commit | 67809b974a07042dc61cb9d06e30df7a5f25446a (patch) | |
tree | 4cc6a9fe436fdb11ea97bb7ea74ad6f8acd95e7c /drivers/gpio | |
parent | 3d2613c4289ff22de3aa24d2d0a29e33937f023a (diff) | |
download | op-kernel-dev-67809b974a07042dc61cb9d06e30df7a5f25446a.zip op-kernel-dev-67809b974a07042dc61cb9d06e30df7a5f25446a.tar.gz |
GPIO: gpio-dwapb: Change readl&writel to dwapb_read&dwapb_write
This patch replaces 'readl&writel' with 'dwapb_read&dwapb_write'.
Reviewed-by: Shevchenko, Andriy <andriy.shevchenko@intel.com>
Signed-off-by: Weike Chen <alvin.chen@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r-- | drivers/gpio/gpio-dwapb.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index 27466b5..551eaf7 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -64,6 +64,23 @@ struct dwapb_gpio { struct irq_domain *domain; }; +static inline u32 dwapb_read(struct dwapb_gpio *gpio, unsigned int offset) +{ + struct bgpio_chip *bgc = &gpio->ports[0].bgc; + void __iomem *reg_base = gpio->regs; + + return bgc->read_reg(reg_base + offset); +} + +static inline void dwapb_write(struct dwapb_gpio *gpio, unsigned int offset, + u32 val) +{ + struct bgpio_chip *bgc = &gpio->ports[0].bgc; + void __iomem *reg_base = gpio->regs; + + bgc->write_reg(reg_base + offset, val); +} + static int dwapb_gpio_to_irq(struct gpio_chip *gc, unsigned offset) { struct bgpio_chip *bgc = to_bgpio_chip(gc); @@ -76,14 +93,14 @@ static int dwapb_gpio_to_irq(struct gpio_chip *gc, unsigned offset) static void dwapb_toggle_trigger(struct dwapb_gpio *gpio, unsigned int offs) { - u32 v = readl(gpio->regs + GPIO_INT_POLARITY); + u32 v = dwapb_read(gpio, GPIO_INT_POLARITY); if (gpio_get_value(gpio->ports[0].bgc.gc.base + offs)) v &= ~BIT(offs); else v |= BIT(offs); - writel(v, gpio->regs + GPIO_INT_POLARITY); + dwapb_write(gpio, GPIO_INT_POLARITY, v); } static u32 dwapb_do_irq(struct dwapb_gpio *gpio) @@ -126,9 +143,9 @@ static void dwapb_irq_enable(struct irq_data *d) u32 val; spin_lock_irqsave(&bgc->lock, flags); - val = readl(gpio->regs + GPIO_INTEN); + val = dwapb_read(gpio, GPIO_INTEN); val |= BIT(d->hwirq); - writel(val, gpio->regs + GPIO_INTEN); + dwapb_write(gpio, GPIO_INTEN, val); spin_unlock_irqrestore(&bgc->lock, flags); } @@ -141,9 +158,9 @@ static void dwapb_irq_disable(struct irq_data *d) u32 val; spin_lock_irqsave(&bgc->lock, flags); - val = readl(gpio->regs + GPIO_INTEN); + val = dwapb_read(gpio, GPIO_INTEN); val &= ~BIT(d->hwirq); - writel(val, gpio->regs + GPIO_INTEN); + dwapb_write(gpio, GPIO_INTEN, val); spin_unlock_irqrestore(&bgc->lock, flags); } @@ -183,8 +200,8 @@ static int dwapb_irq_set_type(struct irq_data *d, u32 type) return -EINVAL; spin_lock_irqsave(&bgc->lock, flags); - level = readl(gpio->regs + GPIO_INTTYPE_LEVEL); - polarity = readl(gpio->regs + GPIO_INT_POLARITY); + level = dwapb_read(gpio, GPIO_INTTYPE_LEVEL); + polarity = dwapb_read(gpio, GPIO_INT_POLARITY); switch (type) { case IRQ_TYPE_EDGE_BOTH: @@ -211,8 +228,8 @@ static int dwapb_irq_set_type(struct irq_data *d, u32 type) irq_setup_alt_chip(d, type); - writel(level, gpio->regs + GPIO_INTTYPE_LEVEL); - writel(polarity, gpio->regs + GPIO_INT_POLARITY); + dwapb_write(gpio, GPIO_INTTYPE_LEVEL, level); + dwapb_write(gpio, GPIO_INT_POLARITY, polarity); spin_unlock_irqrestore(&bgc->lock, flags); return 0; |