From 288edc78213433526e42cbc7c3dabca4fdf8e671 Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 26 Apr 2020 09:19:49 -0600 Subject: acpi: Drop code for missing XSDT from acpi_write_rsdp() We don't actually support tables without an XSDT so we can drop this dead code. Signed-off-by: Simon Glass Reviewed-by: Wolfgang Wallner --- arch/x86/lib/acpi_table.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) (limited to 'arch/x86') diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index d8622da..de1acb0 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -42,19 +42,8 @@ static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt, rsdp->length = sizeof(struct acpi_rsdp); rsdp->rsdt_address = (u32)rsdt; - /* - * Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2 - * - * Some OSes expect an XSDT to be present for RSD PTR revisions >= 2. - * If we don't have an ACPI XSDT, force ACPI 1.0 (and thus RSD PTR - * revision 0) - */ - if (xsdt == NULL) { - rsdp->revision = ACPI_RSDP_REV_ACPI_1_0; - } else { - rsdp->xsdt_address = (u64)(u32)xsdt; - rsdp->revision = ACPI_RSDP_REV_ACPI_2_0; - } + rsdp->xsdt_address = (u64)(u32)xsdt; + rsdp->revision = ACPI_RSDP_REV_ACPI_2_0; /* Calculate checksums */ rsdp->checksum = table_compute_checksum((void *)rsdp, 20); -- cgit v1.1