pinctrl: baytrail: lock IRQs when starting them
This uses the new API for tagging GPIO lines as in use by IRQs. This enforces a few semantic checks on how the underlying GPIO line is used. Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Mathias Nyman <mathias.nyman@linux.intel.com> Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -372,11 +372,33 @@ static void byt_irq_mask(struct irq_data *d)
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{
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{
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}
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}
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static unsigned int byt_irq_startup(struct irq_data *d)
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{
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struct byt_gpio *vg = irq_data_get_irq_chip_data(d);
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if (gpio_lock_as_irq(&vg->chip, irqd_to_hwirq(d)))
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dev_err(vg->chip.dev,
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"unable to lock HW IRQ %lu for IRQ\n",
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irqd_to_hwirq(d));
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byt_irq_unmask(d);
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return 0;
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}
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static void byt_irq_shutdown(struct irq_data *d)
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{
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struct byt_gpio *vg = irq_data_get_irq_chip_data(d);
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byt_irq_mask(d);
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gpio_unlock_as_irq(&vg->chip, irqd_to_hwirq(d));
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}
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static struct irq_chip byt_irqchip = {
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static struct irq_chip byt_irqchip = {
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.name = "BYT-GPIO",
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.name = "BYT-GPIO",
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.irq_mask = byt_irq_mask,
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.irq_mask = byt_irq_mask,
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.irq_unmask = byt_irq_unmask,
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.irq_unmask = byt_irq_unmask,
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.irq_set_type = byt_irq_type,
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.irq_set_type = byt_irq_type,
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.irq_startup = byt_irq_startup,
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.irq_shutdown = byt_irq_shutdown,
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};
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};
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static void byt_gpio_irq_init_hw(struct byt_gpio *vg)
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static void byt_gpio_irq_init_hw(struct byt_gpio *vg)
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