diff options
| author | Simon Glass <sjg@chromium.org> | 2020-04-26 09:19:49 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-04-30 17:16:12 +0800 |
| commit | 288edc78213433526e42cbc7c3dabca4fdf8e671 (patch) | |
| tree | 70e1c2cc79256dd6938cdbc3024e5ae3a271922e | |
| parent | 5f5ab0d3bfbf2c6e324bea980eddd3abfde62519 (diff) | |
| download | u-boot-288edc78213433526e42cbc7c3dabca4fdf8e671.zip u-boot-288edc78213433526e42cbc7c3dabca4fdf8e671.tar.gz u-boot-288edc78213433526e42cbc7c3dabca4fdf8e671.tar.bz2 | |
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 <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
| -rw-r--r-- | arch/x86/lib/acpi_table.c | 15 |
1 files changed, 2 insertions, 13 deletions
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); |