The generated AmlCode[] from IASL already has the calculated DSDT table checksum in place. No need for us to calculate it again.
Signed-off-by: Bin Meng bmeng.cn@gmail.com
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Changes in v2: - New patch to remove the unnecessary checksum calculation of DSDT
arch/x86/lib/acpi_table.c | 6 ------ 1 file changed, 6 deletions(-)
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index a9fe243..05c958d 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -382,12 +382,6 @@ u32 write_acpi_tables(u32 start) (char *)&AmlCode + sizeof(struct acpi_table_header), dsdt->length - sizeof(struct acpi_table_header)); current += dsdt->length - sizeof(struct acpi_table_header); - - /* (Re)calculate length and checksum */ - dsdt->length = current - (u32)dsdt; - dsdt->checksum = 0; - dsdt->checksum = table_compute_checksum((void *)dsdt, - dsdt->length); } current = ALIGN(current, 16);