diff options
author | Alexander Stein <alexander.stein@ew.tq-group.com> | 2023-02-15 10:52:49 +0100 |
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committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2023-02-15 15:57:59 +0100 |
commit | e6ef4f8ede09f4af7cde000717b349b50bc62576 (patch) | |
tree | 21f01c17b8e1f466d8f70e1561e737874caf3b5a /drivers/gpio | |
parent | ceaa837f96adb69c0df0397937cd74991d5d821a (diff) | |
download | linux-e6ef4f8ede09f4af7cde000717b349b50bc62576.tar.gz linux-e6ef4f8ede09f4af7cde000717b349b50bc62576.tar.bz2 linux-e6ef4f8ede09f4af7cde000717b349b50bc62576.zip |
gpio: vf610: make irq_chip immutable
Since recently, the kernel is nagging about mutable irq_chips:
"not an immutable chip, please consider fixing it!"
Drop the unneeded copy, flag it as IRQCHIP_IMMUTABLE, add the new
helper functions and call the appropriate gpiolib functions.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'drivers/gpio')
-rw-r--r-- | drivers/gpio/gpio-vf610.c | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 9db42f6a2043..9033db00c360 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -30,7 +30,6 @@ struct fsl_gpio_soc_data { struct vf610_gpio_port { struct gpio_chip gc; - struct irq_chip ic; void __iomem *base; void __iomem *gpio_base; const struct fsl_gpio_soc_data *sdata; @@ -207,20 +206,24 @@ static int vf610_gpio_irq_set_type(struct irq_data *d, u32 type) static void vf610_gpio_irq_mask(struct irq_data *d) { - struct vf610_gpio_port *port = - gpiochip_get_data(irq_data_get_irq_chip_data(d)); - void __iomem *pcr_base = port->base + PORT_PCR(d->hwirq); + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct vf610_gpio_port *port = gpiochip_get_data(gc); + irq_hw_number_t gpio_num = irqd_to_hwirq(d); + void __iomem *pcr_base = port->base + PORT_PCR(gpio_num); vf610_gpio_writel(0, pcr_base); + gpiochip_disable_irq(gc, gpio_num); } static void vf610_gpio_irq_unmask(struct irq_data *d) { - struct vf610_gpio_port *port = - gpiochip_get_data(irq_data_get_irq_chip_data(d)); - void __iomem *pcr_base = port->base + PORT_PCR(d->hwirq); + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct vf610_gpio_port *port = gpiochip_get_data(gc); + irq_hw_number_t gpio_num = irqd_to_hwirq(d); + void __iomem *pcr_base = port->base + PORT_PCR(gpio_num); - vf610_gpio_writel(port->irqc[d->hwirq] << PORT_PCR_IRQC_OFFSET, + gpiochip_enable_irq(gc, gpio_num); + vf610_gpio_writel(port->irqc[gpio_num] << PORT_PCR_IRQC_OFFSET, pcr_base); } @@ -237,6 +240,17 @@ static int vf610_gpio_irq_set_wake(struct irq_data *d, u32 enable) return 0; } +static const struct irq_chip vf610_irqchip = { + .name = "gpio-vf610", + .irq_ack = vf610_gpio_irq_ack, + .irq_mask = vf610_gpio_irq_mask, + .irq_unmask = vf610_gpio_irq_unmask, + .irq_set_type = vf610_gpio_irq_set_type, + .irq_set_wake = vf610_gpio_irq_set_wake, + .flags = IRQCHIP_IMMUTABLE, + GPIOCHIP_IRQ_RESOURCE_HELPERS, +}; + static void vf610_gpio_disable_clk(void *data) { clk_disable_unprepare(data); @@ -249,7 +263,6 @@ static int vf610_gpio_probe(struct platform_device *pdev) struct vf610_gpio_port *port; struct gpio_chip *gc; struct gpio_irq_chip *girq; - struct irq_chip *ic; int i; int ret; @@ -315,14 +328,6 @@ static int vf610_gpio_probe(struct platform_device *pdev) gc->direction_output = vf610_gpio_direction_output; gc->set = vf610_gpio_set; - ic = &port->ic; - ic->name = "gpio-vf610"; - ic->irq_ack = vf610_gpio_irq_ack; - ic->irq_mask = vf610_gpio_irq_mask; - ic->irq_unmask = vf610_gpio_irq_unmask; - ic->irq_set_type = vf610_gpio_irq_set_type; - ic->irq_set_wake = vf610_gpio_irq_set_wake; - /* Mask all GPIO interrupts */ for (i = 0; i < gc->ngpio; i++) vf610_gpio_writel(0, port->base + PORT_PCR(i)); @@ -331,7 +336,7 @@ static int vf610_gpio_probe(struct platform_device *pdev) vf610_gpio_writel(~0, port->base + PORT_ISFR); girq = &gc->irq; - girq->chip = ic; + gpio_irq_chip_set_chip(girq, &vf610_irqchip); girq->parent_handler = vf610_gpio_irq_handler; girq->num_parents = 1; girq->parents = devm_kcalloc(&pdev->dev, 1, |