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pinctrl: sirf/atlas7: Pass irqchip when adding gpiochip 

We need to convert all old gpio irqchips to pass the irqchip
setup along when adding the gpio_chip. For more info see
drivers/gpio/TODO.

For chained irqchips this is a pretty straight-forward
conversion.

Cc: Barry Song <baohua@kernel.org>
Cc: Yuping Luo <yuping.luo@csr.com>
Cc: Rongjun Ying <rongjun.ying@csr.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20190913113530.5536-6-linus.walleij@linaro.org
This commit is contained in:
Linus Walleij 2019-09-13 13:35:30 +02:00
parent aead399140
commit 0074a66c11
1 changed files with 21 additions and 20 deletions
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41
drivers/pinctrl/sirf/pinctrl-atlas7.c
View File

@ -5996,6 +5996,7 @@ static int atlas7_gpio_probe(struct platform_device *pdev)
struct gpio_chip *chip;
u32 nbank;
int ret, idx;
struct gpio_irq_chip *girq;
ret = of_property_read_u32(np, "gpio-banks", &nbank);
if (ret) {
@ -6048,24 +6049,15 @@ static int atlas7_gpio_probe(struct platform_device *pdev)
chip->of_gpio_n_cells = 2;
chip->parent = &pdev->dev;
/* Add gpio chip to system */
ret = gpiochip_add_data(chip, a7gc);
if (ret) {
dev_err(&pdev->dev,
"%pOF: error in probe function with status %d\n",
np, ret);
goto failed;
}
/* Add gpio chip to irq subsystem */
ret = gpiochip_irqchip_add(chip, &atlas7_gpio_irq_chip,
0, handle_level_irq, IRQ_TYPE_NONE);
if (ret) {
dev_err(&pdev->dev,
"could not connect irqchip to gpiochip\n");
goto failed;
}
girq = &chip->irq;
girq->chip = &atlas7_gpio_irq_chip;
girq->parent_handler = atlas7_gpio_handle_irq;
girq->num_parents = nbank;
girq->parents = devm_kcalloc(&pdev->dev, nbank,
sizeof(*girq->parents),
GFP_KERNEL);
if (!girq->parents)
return -ENOMEM;
for (idx = 0; idx < nbank; idx++) {
struct atlas7_gpio_bank *bank;
@ -6084,9 +6076,18 @@ static int atlas7_gpio_probe(struct platform_device *pdev)
goto failed;
}
bank->irq = ret;
girq->parents[idx] = ret;
}
girq->default_type = IRQ_TYPE_NONE;
girq->handler = handle_level_irq;
gpiochip_set_chained_irqchip(chip, &atlas7_gpio_irq_chip,
bank->irq, atlas7_gpio_handle_irq);
/* Add gpio chip to system */
ret = gpiochip_add_data(chip, a7gc);
if (ret) {
dev_err(&pdev->dev,
"%pOF: error in probe function with status %d\n",
np, ret);
goto failed;
}
platform_set_drvdata(pdev, a7gc);