x86: acpi: Remove acpi_create_ssdt_generator()

This acpi_create_ssdt_generator() currently does nothing.
Remove this for now.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Tested-by: Stefan Roese <sr@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/x86/include/asm/acpi_table.h b/arch/x86/include/asm/acpi_table.h
index 9175e7a..c6688ea 100644 (file)
--- a/arch/x86/include/asm/acpi_table.h
+++ b/arch/x86/include/asm/acpi_table.h
@@ -302,9 +302,6 @@ struct acpi_mcfg_mmconfig {
        u8 reserved[4];
 };
 
-#define OEM_REVISION           42
-#define ASL_COMPILER_REVISION  42
-
 /* These can be used by the target port */
 
 unsigned long acpi_create_madt_lapics(unsigned long current);

diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c
index 7ade5c9..ffe32ca 100644 (file)
--- a/arch/x86/lib/acpi_table.c
+++ b/arch/x86/lib/acpi_table.c
@@ -311,29 +311,6 @@ static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt,
                        sizeof(struct acpi_rsdp));
 }
 
-static void acpi_create_ssdt_generator(struct acpi_table_header *ssdt,
-                        const char *oem_table_id)
-{
-       unsigned long current = (unsigned long)ssdt +
-                               sizeof(struct acpi_table_header);
-
-       memset((void *)ssdt, 0, sizeof(struct acpi_table_header));
-
-       memcpy(&ssdt->signature, "SSDT", 4);
-       /* Access size in ACPI 2.0c/3.0/4.0/5.0 */
-       ssdt->revision = ACPI_REV_ACPI_3_0;
-       memcpy(&ssdt->oem_id, OEM_ID, 6);
-       memcpy(&ssdt->oem_table_id, oem_table_id, 8);
-       ssdt->oem_revision = OEM_REVISION;
-       memcpy(&ssdt->aslc_id, ASLC_ID, 4);
-       ssdt->aslc_revision = ASL_COMPILER_REVISION;
-       ssdt->length = sizeof(struct acpi_table_header);
-
-       /* (Re)calculate length and checksum */
-       ssdt->length = current - (unsigned long)ssdt;
-       ssdt->checksum = table_compute_checksum((void *)ssdt, ssdt->length);
-}
-
 /*
  * QEMU's version of write_acpi_tables is defined in
  * arch/x86/cpu/qemu/fw_cfg.c
@@ -349,7 +326,6 @@ u32 write_acpi_tables(u32 start)
        struct acpi_fadt *fadt;
        struct acpi_mcfg *mcfg;
        struct acpi_madt *madt;
-       struct acpi_table_header *ssdt;
 
        current = start;
 
@@ -426,15 +402,6 @@ u32 write_acpi_tables(u32 start)
        }
        current = ALIGN(current, 16);
 
-       debug("ACPI:    * SSDT\n");
-       ssdt = (struct acpi_table_header *)current;
-       acpi_create_ssdt_generator(ssdt, OEM_TABLE_ID);
-       if (ssdt->length > sizeof(struct acpi_table_header)) {
-               current += ssdt->length;
-               acpi_add_table(rsdp, ssdt);
-               current = ALIGN(current, 16);
-       }
-
        debug("current = %x\n", current);
 
        debug("ACPI: done\n");