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-rw-r--r--arch/x86/kernel/acpi/boot.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 9965afb..0cf311c 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -419,7 +419,7 @@ static int mp_register_gsi(struct device *dev, u32 gsi, int trigger,
irq = map_gsi_to_irq(gsi);
if (irq < 0)
- return ACPI_INVALID_GSI;
+ return irq;
ioapic = mp_find_ioapic(gsi);
if (ioapic < 0) {
@@ -444,12 +444,11 @@ static int mp_register_gsi(struct device *dev, u32 gsi, int trigger,
polarity == ACPI_ACTIVE_HIGH ? 0 : 1);
ret = io_apic_set_pci_routing(dev, irq, &irq_attr);
if (ret < 0)
- gsi = ACPI_INVALID_GSI;
+ irq = -1;
- return gsi;
+ return irq;
}
-
static int __init
acpi_parse_ioapic(struct acpi_subtable_header * header, const unsigned long end)
{
@@ -652,11 +651,13 @@ static int acpi_register_gsi_pic(struct device *dev, u32 gsi,
static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi,
int trigger, int polarity)
{
+ int irq = gsi;
+
#ifdef CONFIG_X86_IO_APIC
- gsi = mp_register_gsi(dev, gsi, trigger, polarity);
+ irq = mp_register_gsi(dev, gsi, trigger, polarity);
#endif
- return gsi;
+ return irq;
}
int (*__acpi_register_gsi)(struct device *dev, u32 gsi,
@@ -674,13 +675,7 @@ int (*acpi_suspend_lowlevel)(void);
*/
int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
{
- unsigned int plat_gsi;
-
- plat_gsi = __acpi_register_gsi(dev, gsi, trigger, polarity);
- if (plat_gsi != ACPI_INVALID_GSI)
- return map_gsi_to_irq(plat_gsi);
-
- return -1;
+ return __acpi_register_gsi(dev, gsi, trigger, polarity);
}
EXPORT_SYMBOL_GPL(acpi_register_gsi);
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