On Mon, Nov 12, 2012 at 01:00:26PM +0100, Rafael J. Wysocki wrote:
> +/**
> + * acpi_dev_irq_flags - Determine IRQ resource flags.
> + * @triggering: Triggering type as provided by ACPI.
> + * @polarity: Interrupt polarity as provided by ACPI.
> + * @shareable: Whether or not the interrupt is shareable.
> + */
> +unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable)
> +{
> + unsigned long flags = IORESOURCE_IRQ;
> +
> + if (triggering == ACPI_LEVEL_SENSITIVE)
> + flags = polarity == ACPI_ACTIVE_LOW ?
> + IORESOURCE_IRQ_LOWLEVEL : IORESOURCE_IRQ_HIGHLEVEL;
This wants to have '|=' instead of '='.
> + else
> + flags = polarity == ACPI_ACTIVE_LOW ?
> + IORESOURCE_IRQ_LOWEDGE : IORESOURCE_IRQ_HIGHEDGE;
Ditto.
> +
> + if (shareable == ACPI_SHARED)
> + flags |= IORESOURCE_IRQ_SHAREABLE;
> +
> + return flags;
> +}
> +EXPORT_SYMBOL_GPL(acpi_dev_irq_flags);
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