@@ -372,11 +372,33 @@ static void byt_irq_mask(struct irq_data *d)
{
}
+static unsigned int byt_irq_startup(struct irq_data *d)
+{
+ struct byt_gpio *vg = irq_data_get_irq_handler_data(d);
+
+ if (gpio_lock_as_irq(&vg->chip, irqd_to_hwirq(d)))
+ dev_err(vg->chip.dev,
+ "unable to lock HW IRQ %lu for IRQ\n",
+ irqd_to_hwirq(d));
+ byt_irq_unmask(d);
+ return 0;
+}
+
+static void byt_irq_shutdown(struct irq_data *d)
+{
+ struct byt_gpio *vg = irq_data_get_irq_handler_data(d);
+
+ byt_irq_mask(d);
+ gpio_unlock_as_irq(&vg->chip, irqd_to_hwirq(d));
+}
+
static struct irq_chip byt_irqchip = {
.name = "BYT-GPIO",
.irq_mask = byt_irq_mask,
.irq_unmask = byt_irq_unmask,
.irq_set_type = byt_irq_type,
+ .irq_startup = byt_irq_startup,
+ .irq_shutdown = byt_irq_shutdown,
};
static void byt_gpio_irq_init_hw(struct byt_gpio *vg)
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: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- ChangeLog v1->v2: - Actually make the change compile, doh. --- drivers/pinctrl/pinctrl-baytrail.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+)