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Diffstat (limited to 'arch/i386/kernel/acpi/boot.c')
-rw-r--r--arch/i386/kernel/acpi/boot.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index b66c13c0cc0..f36677241ec 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -39,17 +39,14 @@
#ifdef CONFIG_X86_64
-static inline void acpi_madt_oem_check(char *oem_id, char *oem_table_id)
-{
-}
extern void __init clustered_apic_check(void);
-static inline int ioapic_setup_disabled(void)
-{
- return 0;
-}
+extern int gsi_irq_sharing(int gsi);
#include <asm/proto.h>
+static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return 0; }
+
+
#else /* X86 */
#ifdef CONFIG_X86_LOCAL_APIC
@@ -57,6 +54,8 @@ static inline int ioapic_setup_disabled(void)
#include <mach_mpparse.h>
#endif /* CONFIG_X86_LOCAL_APIC */
+static inline int gsi_irq_sharing(int gsi) { return gsi; }
+
#endif /* X86 */
#define BAD_MADT_ENTRY(entry, end) ( \
@@ -459,7 +458,7 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
*irq = IO_APIC_VECTOR(gsi);
else
#endif
- *irq = gsi;
+ *irq = gsi_irq_sharing(gsi);
return 0;
}
@@ -543,7 +542,7 @@ acpi_scan_rsdp(unsigned long start, unsigned long length)
* RSDP signature.
*/
for (offset = 0; offset < length; offset += 16) {
- if (strncmp((char *)(start + offset), "RSD PTR ", sig_len))
+ if (strncmp((char *)(phys_to_virt(start) + offset), "RSD PTR ", sig_len))
continue;
return (start + offset);
}