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Subject[PATCH v4 5/7] xen: add xen hvm acpi_register_gsi variant
Date
From: Jeremy Fitzhardinge <jeremy@goop.org>

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
arch/x86/include/asm/acpi.h | 3 +++
arch/x86/kernel/acpi/boot.c | 3 ++-
arch/x86/pci/xen.c | 6 ++++++
3 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h
index 92091de..55d106b 100644
--- a/arch/x86/include/asm/acpi.h
+++ b/arch/x86/include/asm/acpi.h
@@ -93,6 +93,9 @@ extern u8 acpi_sci_flags;
extern int acpi_sci_override_gsi;
void acpi_pic_sci_set_trigger(unsigned int, u16);

+extern int (*__acpi_register_gsi)(struct device *dev, u32 gsi,
+ int trigger, int polarity);
+
static inline void disable_acpi(void)
{
acpi_disabled = 1;
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 031f0c2..71232b9 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -537,7 +537,8 @@ static int acpi_register_gsi_ioapic(struct device *dev, u32 gsi,
return gsi;
}

-static int (*__acpi_register_gsi)(struct device *dev, u32 gsi, int trigger, int polarity) = acpi_register_gsi_pic;
+int (*__acpi_register_gsi)(struct device *dev, u32 gsi,
+ int trigger, int polarity) = acpi_register_gsi_pic;

/*
* success: return IRQ number (>=0)
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index e7f897b..ef9b8b2 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -53,6 +53,12 @@ static int xen_hvm_register_pirq(u32 gsi, int triggering)

return irq;
}
+
+static int acpi_register_gsi_xen_hvm(struct device *dev, u32 gsi,
+ int trigger, int polarity)
+{
+ return xen_hvm_register_pirq(gsi, trigger);
+}
#endif

#if defined(CONFIG_PCI_MSI)
--
1.5.6.5


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