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x86: add mp_find_ioapic_pin

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Add mp_find_ioapic_pin() to find an IO APIC's specific pin from a GSI,
and use this function within acpi/boot.  Make it non-static so other
code can use it too.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-02-09 12:05:47 -08:00
parent 4924e228ae
commit c3e137d1e8
2 changed files with 14 additions and 3 deletions
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1
arch/x86/include/asm/mpspec.h
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@ -78,6 +78,7 @@ extern int acpi_probe_gsi(void);
extern int mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,
u32 gsi, int triggering, int polarity);
extern int mp_find_ioapic(int gsi);
extern int mp_find_ioapic_pin(int ioapic, int gsi);
#else
static inline int
mp_config_acpi_gsi(unsigned char number, unsigned int devfn, u8 pin,