acpi: new function acpi_update_checksum()
Introduce a new function to update ACPI table headers. This allows to simplify the existing code. Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com> Reviewed-by: Matthias Brugger <mbrugger@suse.com> Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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committed by
Tom Rini

parent
c026767894
commit
69e61d46d2
@@ -1274,6 +1274,13 @@ ulong write_acpi_tables(ulong start);
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*/
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struct acpi_table_header *acpi_find_table(const char *sig);
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/**
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* acpi_update_checksum() - update ACPI table checksum
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*
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* @header - header of an ACPI table
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*/
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void acpi_update_checksum(struct acpi_table_header *header);
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#endif /* !__ACPI__*/
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#include <asm/acpi_table.h>
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@@ -6,11 +6,18 @@
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*/
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#include <mapmem.h>
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#include <tables_csum.h>
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#include <acpi/acpi_table.h>
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#include <asm/global_data.h>
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DECLARE_GLOBAL_DATA_PTR;
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void acpi_update_checksum(struct acpi_table_header *header)
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{
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header->checksum = 0;
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header->checksum = table_compute_checksum(header, header->length);
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}
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struct acpi_table_header *acpi_find_table(const char *sig)
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{
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struct acpi_rsdp *rsdp;
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