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gpio: Move irq_valid_mask into struct gpio_irq_chip

Browse source 
In order to consolidate the multiple ways to associate an IRQ chip with
a GPIO chip, move more fields into the new struct gpio_irq_chip.

Signed-off-by: Thierry Reding <[email protected]>
Acked-by: Grygorii Strashko <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Thierry Reding 2017-11-07 19:15:52 +01:00 • committed by Linus Walleij
commit dc7b0387ee
8 changed files with 35 additions and 26 deletions
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4
drivers/gpio/gpio-aspeed.c
View file

@ -501,7 +501,7 @@ static void set_irq_valid_mask(struct aspeed_gpio *gpio)
if (i >= gpio->config->nr_gpios)
break;
clear_bit(i, gpio->chip.irq_valid_mask);
clear_bit(i, gpio->chip.irq.valid_mask);
}
props++;
@ -856,7 +856,7 @@ static int __init aspeed_gpio_probe(struct platform_device *pdev)
gpio->chip.set_config = aspeed_gpio_set_config;
gpio->chip.label = dev_name(&pdev->dev);
gpio->chip.base = -1;
gpio->chip.irq_need_valid_mask = true;
gpio->chip.irq.need_valid_mask = true;
rc = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);
if (rc < 0)

4
drivers/gpio/gpio-stmpe.c
View file

@ -451,7 +451,7 @@ static int stmpe_gpio_probe(struct platform_device *pdev)
of_property_read_u32(np, "st,norequest-mask",
&stmpe_gpio->norequest_mask);
if (stmpe_gpio->norequest_mask)
stmpe_gpio->chip.irq_need_valid_mask = true;
stmpe_gpio->chip.irq.need_valid_mask = true;
if (irq < 0)
dev_info(&pdev->dev,
@ -482,7 +482,7 @@ static int stmpe_gpio_probe(struct platform_device *pdev)
/* Forbid unused lines to be mapped as IRQs */
for (i = 0; i < sizeof(u32); i++)
if (stmpe_gpio->norequest_mask & BIT(i))
clear_bit(i, stmpe_gpio->chip.irq_valid_mask);
clear_bit(i, stmpe_gpio->chip.irq.valid_mask);
}
ret = gpiochip_irqchip_add_nested(&stmpe_gpio->chip,
&stmpe_gpio_irq_chip,

16
drivers/gpio/gpiolib.c
View file

@ -1504,33 +1504,33 @@ static struct gpio_chip *find_chip_by_name(const char *name)
static int gpiochip_irqchip_init_valid_mask(struct gpio_chip *gpiochip)
{
if (!gpiochip->irq_need_valid_mask)
if (!gpiochip->irq.need_valid_mask)
return 0;
gpiochip->irq_valid_mask = kcalloc(BITS_TO_LONGS(gpiochip->ngpio),
gpiochip->irq.valid_mask = kcalloc(BITS_TO_LONGS(gpiochip->ngpio),
sizeof(long), GFP_KERNEL);
if (!gpiochip->irq_valid_mask)
if (!gpiochip->irq.valid_mask)
return -ENOMEM;
/* Assume by default all GPIOs are valid */
bitmap_fill(gpiochip->irq_valid_mask, gpiochip->ngpio);
bitmap_fill(gpiochip->irq.valid_mask, gpiochip->ngpio);
return 0;
}
static void gpiochip_irqchip_free_valid_mask(struct gpio_chip *gpiochip)
{
kfree(gpiochip->irq_valid_mask);
gpiochip->irq_valid_mask = NULL;
kfree(gpiochip->irq.valid_mask);
gpiochip->irq.valid_mask = NULL;
}
static bool gpiochip_irqchip_irq_valid(const struct gpio_chip *gpiochip,
unsigned int offset)
{
/* No mask means all valid */
if (likely(!gpiochip->irq_valid_mask))
if (likely(!gpiochip->irq.valid_mask))
return true;
return test_bit(offset, gpiochip->irq_valid_mask);
return test_bit(offset, gpiochip->irq.valid_mask);
}
/**