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author | Linus Walleij <linus.walleij@linaro.org> | 2019-09-13 13:35:27 +0200 |
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committer | Linus Walleij <linus.walleij@linaro.org> | 2019-09-30 23:12:43 +0200 |
commit | face7c04b030e9de3c9ff9bd566603751ef6e26a (patch) | |
tree | 546d2b3c5ff0e9946e7a9232b3d5088355919f5d | |
parent | 835513b0fb2c482c92a85603b3991059f8f25b18 (diff) | |
download | linux-face7c04b030e9de3c9ff9bd566603751ef6e26a.tar.gz linux-face7c04b030e9de3c9ff9bd566603751ef6e26a.tar.bz2 linux-face7c04b030e9de3c9ff9bd566603751ef6e26a.zip |
pinctrl: spear/plgpio: 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: Shiraz Hashim <shiraz.linux.kernel@gmail.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://lore.kernel.org/r/20190913113530.5536-3-linus.walleij@linaro.org
-rw-r--r-- | drivers/pinctrl/spear/pinctrl-plgpio.c | 47 |
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/pinctrl/spear/pinctrl-plgpio.c b/drivers/pinctrl/spear/pinctrl-plgpio.c index 9d906474f3e4..c4c9a2971445 100644 --- a/drivers/pinctrl/spear/pinctrl-plgpio.c +++ b/drivers/pinctrl/spear/pinctrl-plgpio.c @@ -569,40 +569,35 @@ static int plgpio_probe(struct platform_device *pdev) } } - ret = gpiochip_add_data(&plgpio->chip, plgpio); - if (ret) { - dev_err(&pdev->dev, "unable to add gpio chip\n"); - goto unprepare_clk; - } - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_info(&pdev->dev, "PLGPIO registered without IRQs\n"); - return 0; + if (irq > 0) { + struct gpio_irq_chip *girq; + + girq = &plgpio->chip.irq; + girq->chip = &plgpio_irqchip; + girq->parent_handler = plgpio_irq_handler; + girq->num_parents = 1; + girq->parents = devm_kcalloc(&pdev->dev, 1, + sizeof(*girq->parents), + GFP_KERNEL); + if (!girq->parents) + return -ENOMEM; + girq->parents[0] = irq; + girq->default_type = IRQ_TYPE_NONE; + girq->handler = handle_simple_irq; + dev_info(&pdev->dev, "PLGPIO registering with IRQs\n"); + } else { + dev_info(&pdev->dev, "PLGPIO registering without IRQs\n"); } - ret = gpiochip_irqchip_add(&plgpio->chip, - &plgpio_irqchip, - 0, - handle_simple_irq, - IRQ_TYPE_NONE); + ret = gpiochip_add_data(&plgpio->chip, plgpio); if (ret) { - dev_err(&pdev->dev, "failed to add irqchip to gpiochip\n"); - goto remove_gpiochip; + dev_err(&pdev->dev, "unable to add gpio chip\n"); + goto unprepare_clk; } - gpiochip_set_chained_irqchip(&plgpio->chip, - &plgpio_irqchip, - irq, - plgpio_irq_handler); - - dev_info(&pdev->dev, "PLGPIO registered with IRQs\n"); - return 0; -remove_gpiochip: - dev_info(&pdev->dev, "Remove gpiochip\n"); - gpiochip_remove(&plgpio->chip); unprepare_clk: if (!IS_ERR(plgpio->clk)) clk_unprepare(plgpio->clk); |