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x86: acpi: Remove acpi_create_ssdt_generator()

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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>
This commit is contained in:
Bin Meng 2016-05-07 07:46:23 -07:00
parent 728c4afc39
commit cea91319c2
2 changed files with 0 additions and 36 deletions
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3
arch/x86/include/asm/acpi_table.h
View file

@ -302,9 +302,6 @@ struct acpi_mcfg_mmconfig {
u8 reserved[4]; u8 reserved[4];
}; };
#define OEM_REVISION 42
#define ASL_COMPILER_REVISION 42
/* These can be used by the target port */ /* These can be used by the target port */
unsigned long acpi_create_madt_lapics(unsigned long current); unsigned long acpi_create_madt_lapics(unsigned long current);

33
arch/x86/lib/acpi_table.c
View file

@ -311,29 +311,6 @@ static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt,
sizeof(struct acpi_rsdp)); 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 * QEMU's version of write_acpi_tables is defined in
* arch/x86/cpu/qemu/fw_cfg.c * arch/x86/cpu/qemu/fw_cfg.c
@ -349,7 +326,6 @@ u32 write_acpi_tables(u32 start)
struct acpi_fadt *fadt; struct acpi_fadt *fadt;
struct acpi_mcfg *mcfg; struct acpi_mcfg *mcfg;
struct acpi_madt *madt; struct acpi_madt *madt;
struct acpi_table_header *ssdt;
current = start; current = start;
@ -426,15 +402,6 @@ u32 write_acpi_tables(u32 start)
} }
current = ALIGN(current, 16); 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("current = %x\n", current);
debug("ACPI: done\n"); debug("ACPI: done\n");