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-rw-r--r--include/dm/acpi.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/dm/acpi.h b/include/dm/acpi.h
index 0fa239eb3a8..a2da57fe224 100644
--- a/include/dm/acpi.h
+++ b/include/dm/acpi.h
@@ -43,6 +43,9 @@ enum acpi_dump_option {
*
* @base: Base address of ACPI tables
* @current: Current address for writing
+ * @tab_start: Address of start of the table being written. This is set up
+ * before the writer or driver method is called. It must not be changed by the
+ * method
* @rsdp: Pointer to the Root System Description Pointer, typically used when
* adding a new table. The RSDP holds pointers to the RSDT and XSDT.
* @rsdt: Pointer to the Root System Description Table
@@ -56,6 +59,7 @@ enum acpi_dump_option {
struct acpi_ctx {
void *base;
void *current;
+ void *tab_start;
struct acpi_rsdp *rsdp;
struct acpi_rsdt *rsdt;
struct acpi_xsdt *xsdt;