x86: acpi: Don't touch ACPI hardware in write_acpi_tables()

[oweals/u-boot.git] / arch / x86 / lib / acpi_table.c

diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c
index e26c54d187a3b1f780fb73fe3bd05e3b5a43d4c6..e48c9b957447e7a84a7ab0161436f9091f382515 100644 (file)
--- a/arch/x86/lib/acpi_table.c
+++ b/arch/x86/lib/acpi_table.c
@@ -12,7 +12,6 @@
 #include <dm/uclass-internal.h>
 #include <version.h>
 #include <asm/acpi/global_nvs.h>
-#include <asm/acpi.h>
 #include <asm/acpi_table.h>
 #include <asm/ioapic.h>
 #include <asm/lapic.h>
@@ -444,16 +443,6 @@ ulong write_acpi_tables(ulong start)
        acpi_rsdp_addr = (unsigned long)rsdp;
        debug("ACPI: done\n");
 
-       /* Don't touch ACPI hardware on HW reduced platforms */
-       if (fadt->flags & ACPI_FADT_HW_REDUCED_ACPI)
-               return current;
-
-       /*
-        * Other than waiting for OSPM to request us to switch to ACPI mode,
-        * do it by ourselves, since SMI will not be triggered.
-        */
-       enter_acpi_mode(fadt->pm1a_cnt_blk);
-
        return current;
 }