diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2018-07-18 21:42:16 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2018-07-20 09:33:22 +0800 |
| commit | 474a62bc74fe923cd6f43e13ca82b1ce2f40e76f (patch) | |
| tree | 1dfaa8a9b44152b328ff87aa2637a3ce1c90a8e7 /arch/x86/lib/acpi_table.c | |
| parent | a0609a8d19d4a9a86572fffb7cb8a3661fffbcf7 (diff) | |
x86: acpi: Don't touch ACPI hardware in write_acpi_tables()
write_acpi_tables() currently touches ACPI hardware to switch to
ACPI mode at the end. Move such operation out of this function,
so that it only does what the function name tells us.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'arch/x86/lib/acpi_table.c')
| -rw-r--r-- | arch/x86/lib/acpi_table.c | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index e26c54d187a..e48c9b95744 100644 --- 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; } |