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authorHans Verkuil <hans.verkuil@cisco.com>2018-09-08 11:23:19 +0200
committerLinus Walleij <linus.walleij@linaro.org>2018-09-10 08:57:36 +0200
commit1c939cb556b99519cc5e75b66543ac499acfd781 (patch)
treee65b7b9979a1d6c38d5dac8205aa87d2eaf6c9a1 /drivers/gpio/gpio-bcm-kona.c
parentgpio/driver.rst: document gpiochip_disable/enable_irq() (diff)
downloadlinux-dev-1c939cb556b99519cc5e75b66543ac499acfd781.tar.xz
linux-dev-1c939cb556b99519cc5e75b66543ac499acfd781.zip
gpio-bcm-kona: use new req/relres and dis/enable_irq funcs
Since this driver does not use the gpiolib irqchip helpers it will have to allocate the irq resources and irq_en/disable itself. Use the new gpiochip_req/relres_irq helpers to request/release all the resources. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Cc: Ray Jui <rjui@broadcom.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-bcm-kona.c')
-rw-r--r--drivers/gpio/gpio-bcm-kona.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c
index d0707fc23afd..c5536a509b59 100644
--- a/drivers/gpio/gpio-bcm-kona.c
+++ b/drivers/gpio/gpio-bcm-kona.c
@@ -373,6 +373,7 @@ static void bcm_kona_gpio_irq_mask(struct irq_data *d)
val = readl(reg_base + GPIO_INT_MASK(bank_id));
val |= BIT(bit);
writel(val, reg_base + GPIO_INT_MASK(bank_id));
+ gpiochip_disable_irq(&kona_gpio->gpio_chip, gpio);
raw_spin_unlock_irqrestore(&kona_gpio->lock, flags);
}
@@ -394,6 +395,7 @@ static void bcm_kona_gpio_irq_unmask(struct irq_data *d)
val = readl(reg_base + GPIO_INT_MSKCLR(bank_id));
val |= BIT(bit);
writel(val, reg_base + GPIO_INT_MSKCLR(bank_id));
+ gpiochip_enable_irq(&kona_gpio->gpio_chip, gpio);
raw_spin_unlock_irqrestore(&kona_gpio->lock, flags);
}
@@ -485,23 +487,15 @@ static void bcm_kona_gpio_irq_handler(struct irq_desc *desc)
static int bcm_kona_gpio_irq_reqres(struct irq_data *d)
{
struct bcm_kona_gpio *kona_gpio = irq_data_get_irq_chip_data(d);
- int ret;
- ret = gpiochip_lock_as_irq(&kona_gpio->gpio_chip, d->hwirq);
- if (ret) {
- dev_err(kona_gpio->gpio_chip.parent,
- "unable to lock HW IRQ %lu for IRQ\n",
- d->hwirq);
- return ret;
- }
- return 0;
+ return gpiochip_reqres_irq(&kona_gpio->gpio_chip, d->hwirq);
}
static void bcm_kona_gpio_irq_relres(struct irq_data *d)
{
struct bcm_kona_gpio *kona_gpio = irq_data_get_irq_chip_data(d);
- gpiochip_unlock_as_irq(&kona_gpio->gpio_chip, d->hwirq);
+ gpiochip_relres_irq(&kona_gpio->gpio_chip, d->hwirq);
}
static struct irq_chip bcm_gpio_irq_chip = {