diff options
Diffstat (limited to 'drivers/acpi/resource.c')
| -rw-r--r-- | drivers/acpi/resource.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index cb57962ef7c4..cd4c4271dc4c 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -43,6 +43,19 @@ static inline bool acpi_iospace_resource_valid(struct resource *res) { return true; } #endif +#if IS_ENABLED(CONFIG_ACPI_GENERIC_GSI) +static inline bool is_gsi(struct acpi_resource_extended_irq *ext_irq) +{ + return ext_irq->resource_source.string_length == 0 && + ext_irq->producer_consumer == ACPI_CONSUMER; +} +#else +static inline bool is_gsi(struct acpi_resource_extended_irq *ext_irq) +{ + return true; +} +#endif + static bool acpi_dev_resource_len_valid(u64 start, u64 end, u64 len, bool io) { u64 reslen = end - start + 1; @@ -393,7 +406,7 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi, } /* - * In IO-APIC mode, use overrided attribute. Two reasons: + * In IO-APIC mode, use overridden attribute. Two reasons: * 1. BIOS bug in DSDT * 2. BIOS uses IO-APIC mode Interrupt Source Override * @@ -470,9 +483,12 @@ bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, acpi_dev_irqresource_disabled(res, 0); return false; } - acpi_dev_get_irqresource(res, ext_irq->interrupts[index], + if (is_gsi(ext_irq)) + acpi_dev_get_irqresource(res, ext_irq->interrupts[index], ext_irq->triggering, ext_irq->polarity, ext_irq->sharable, false); + else + acpi_dev_irqresource_disabled(res, 0); break; default: res->flags = 0; |