diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2022-09-15 22:32:54 +0200 |
|---|---|---|
| committer | Bartosz Golaszewski <brgl@bgdev.pl> | 2022-09-20 16:10:53 +0200 |
| commit | ab637d48363d7b8ee67ae089808a8bc6051d53c4 (patch) | |
| tree | b173c1137a041b3b48719b72b177af8cdb776053 /drivers/gpio | |
| parent | 02743c4091ccfb246f5cdbbe3f44b152d5d12933 (diff) | |
| download | linux-ab637d48363d7b8ee67ae089808a8bc6051d53c4.tar.bz2 | |
gpio: ftgpio010: Make irqchip immutable
This turns the FTGPIO010 irqchip immutable.
Tested on the D-Link DIR-685.
Cc: Marc Zyngier <maz@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpio-ftgpio010.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-ftgpio010.c b/drivers/gpio/gpio-ftgpio010.c index f422c3e129a0..f77a965f5780 100644 --- a/drivers/gpio/gpio-ftgpio010.c +++ b/drivers/gpio/gpio-ftgpio010.c @@ -41,14 +41,12 @@ * struct ftgpio_gpio - Gemini GPIO state container * @dev: containing device for this instance * @gc: gpiochip for this instance - * @irq: irqchip for this instance * @base: remapped I/O-memory base * @clk: silicon clock */ struct ftgpio_gpio { struct device *dev; struct gpio_chip gc; - struct irq_chip irq; void __iomem *base; struct clk *clk; }; @@ -70,6 +68,7 @@ static void ftgpio_gpio_mask_irq(struct irq_data *d) val = readl(g->base + GPIO_INT_EN); val &= ~BIT(irqd_to_hwirq(d)); writel(val, g->base + GPIO_INT_EN); + gpiochip_disable_irq(gc, irqd_to_hwirq(d)); } static void ftgpio_gpio_unmask_irq(struct irq_data *d) @@ -78,6 +77,7 @@ static void ftgpio_gpio_unmask_irq(struct irq_data *d) struct ftgpio_gpio *g = gpiochip_get_data(gc); u32 val; + gpiochip_enable_irq(gc, irqd_to_hwirq(d)); val = readl(g->base + GPIO_INT_EN); val |= BIT(irqd_to_hwirq(d)); writel(val, g->base + GPIO_INT_EN); @@ -221,6 +221,16 @@ static int ftgpio_gpio_set_config(struct gpio_chip *gc, unsigned int offset, return 0; } +static const struct irq_chip ftgpio_irq_chip = { + .name = "FTGPIO010", + .irq_ack = ftgpio_gpio_ack_irq, + .irq_mask = ftgpio_gpio_mask_irq, + .irq_unmask = ftgpio_gpio_unmask_irq, + .irq_set_type = ftgpio_gpio_set_irq_type, + .flags = IRQCHIP_IMMUTABLE, + GPIOCHIP_IRQ_RESOURCE_HELPERS, +}; + static int ftgpio_gpio_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -277,14 +287,8 @@ static int ftgpio_gpio_probe(struct platform_device *pdev) if (!IS_ERR(g->clk)) g->gc.set_config = ftgpio_gpio_set_config; - g->irq.name = "FTGPIO010"; - g->irq.irq_ack = ftgpio_gpio_ack_irq; - g->irq.irq_mask = ftgpio_gpio_mask_irq; - g->irq.irq_unmask = ftgpio_gpio_unmask_irq; - g->irq.irq_set_type = ftgpio_gpio_set_irq_type; - girq = &g->gc.irq; - girq->chip = &g->irq; + gpio_irq_chip_set_chip(girq, &ftgpio_irq_chip); girq->parent_handler = ftgpio_gpio_irq_handler; girq->num_parents = 1; girq->parents = devm_kcalloc(dev, 1, sizeof(*girq->parents), |