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-rw-r--r--include/acpi/acconfig.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index e6964e97acdd..0f875ae68c68 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -176,8 +176,9 @@
/* SMBus, GSBus and IPMI bidirectional buffer size */
#define ACPI_SMBUS_BUFFER_SIZE 34
-#define ACPI_GSBUS_BUFFER_SIZE 34
#define ACPI_IPMI_BUFFER_SIZE 66
+#define ACPI_GSBUS_BUFFER_SIZE 34 /* Not clear if this is needed */
+#define ACPI_MAX_GSBUS_BUFFER_SIZE 255 /* Worst-case bidirectional buffer */
/* _sx_d and _sx_w control methods */