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authorBin Meng <bmeng.cn@gmail.com>2016-05-11 07:45:04 -0700
committerBin Meng <bmeng.cn@gmail.com>2016-05-23 15:18:00 +0800
commit17b63c80bffbaad344a4f6dd2363830e13ed8c03 (patch)
tree1c7e44f67367e3a46256b5578ce33e5580779d67 /arch/x86
parent6aef68dc36bc93e1c32c1f7119b580f5eda92182 (diff)
downloadblackbird-obmc-uboot-17b63c80bffbaad344a4f6dd2363830e13ed8c03.tar.gz
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x86: acpi: Remove the unnecessary checksum calculation of DSDT
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> Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/lib/acpi_table.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c
index 855d4a05ae..1c57094f0f 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);
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