diff options
| -rw-r--r-- | drivers/acpi/acpica/tbutils.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index cfe50c53ad4d..bb4a56e5673a 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -165,6 +165,7 @@ struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index) static acpi_physical_address acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size) { + u32 address32; u64 address64; /* @@ -176,8 +177,8 @@ acpi_tb_get_root_table_entry(u8 *table_entry, u32 table_entry_size) * 32-bit platform, RSDT: Return 32-bit table entry * 64-bit platform, RSDT: Expand 32-bit to 64-bit and return */ - return ((acpi_physical_address) - (*ACPI_CAST_PTR(u32, table_entry))); + ACPI_MOVE_32_TO_32(&address32, table_entry); + return address32; } else { /* * 32-bit platform, XSDT: Truncate 64-bit to 32-bit and return |