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@@ -42,19 +42,8 @@ static void acpi_write_rsdp(struct acpi_rsdp *rsdp, struct acpi_rsdt *rsdt,
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rsdp->length = sizeof(struct acpi_rsdp);
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rsdp->rsdt_address = (u32)rsdt;
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- /*
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- * Revision: ACPI 1.0: 0, ACPI 2.0/3.0/4.0: 2
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- *
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- * Some OSes expect an XSDT to be present for RSD PTR revisions >= 2.
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- * If we don't have an ACPI XSDT, force ACPI 1.0 (and thus RSD PTR
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- * revision 0)
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- */
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- if (xsdt == NULL) {
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- rsdp->revision = ACPI_RSDP_REV_ACPI_1_0;
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- } else {
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- rsdp->xsdt_address = (u64)(u32)xsdt;
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- rsdp->revision = ACPI_RSDP_REV_ACPI_2_0;
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- }
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+ rsdp->xsdt_address = (u64)(u32)xsdt;
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+ rsdp->revision = ACPI_RSDP_REV_ACPI_2_0;
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/* Calculate checksums */
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rsdp->checksum = table_compute_checksum((void *)rsdp, 20);
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