[PATCH] Minor ACPI changes for x86-64

Make CONFIG_ACPI_SLEEP dependent on software suspend (because suspend
is not working yet on x86-64)

Add support for the HPET tables.

drivers/acpi/Config.in

@@ -34,6 +34,7 @@ if [ "$CONFIG_X86" = "y" ]; then
          define_bool CONFIG_ACPI_EC y
          define_bool CONFIG_ACPI_POWER y
          define_bool CONFIG_ACPI_PCI $CONFIG_PCI
+         define_bool CONFIG_ACPI_SLEEP $CONFIG_SOFTWARE_SUSPEND
          define_bool CONFIG_ACPI_SYSTEM	y
       fi
    fi

drivers/acpi/tables.c

@@ -55,7 +55,8 @@ static char *acpi_table_signatures[ACPI_TABLE_COUNT] = {
 	[ACPI_SPCR]		= "SPCR",
 	[ACPI_SRAT]		= "SRAT",
 	[ACPI_SSDT]		= "SSDT",
-	[ACPI_SPMI]		= "SPMI"
+	[ACPI_SPMI]		= "SPMI",
+	[ACPI_HPET]		= "HPET"
 };
 
 /* System Description Table (RSDT/XSDT) */
@@ -320,7 +321,7 @@ acpi_table_parse_madt_family (
 			handler(entry);
 		}
 		entry = (acpi_table_entry_header *)
-			((unsigned long) entry += entry->length);
+			((unsigned long) entry + entry->length);
 	}
 
 	return count;

include/linux/acpi.h

@@ -228,6 +228,26 @@ enum acpi_interrupt_id {
 	ACPI_INTERRUPT_COUNT
 };
 
+#define	ACPI_SPACE_MEM		0
+
+struct acpi_gen_regaddr {
+	u8  space_id;
+	u8  bit_width;
+	u8  bit_offset;
+	u8  resv;
+	u32 addrl;
+	u32 addrh;
+} __attribute__ ((packed));
+
+struct acpi_table_hpet {
+	struct acpi_table_header header;
+	u32 id;
+	struct acpi_gen_regaddr addr;
+	u8 number;
+	u16 min_tick;
+	u8 page_protect;
+} __attribute__ ((packed));
+
 /*
  * System Resource Affinity Table (SRAT)
  *   see http://www.microsoft.com/hwdev/design/srat.htm
@@ -333,6 +353,7 @@ enum acpi_table_id {
 	ACPI_SRAT,
 	ACPI_SSDT,
 	ACPI_SPMI,
+	ACPI_HPET,
 	ACPI_TABLE_COUNT
 };