On 23/12/2019 09:23, Hanjun Guo wrote:
In IORT spec
(http://infocenter.arm.com/help/topic/com.arm.doc.den0049d/DEN0049D_IO_Remapping_Table.pdf),
id_num means Number of IDs minus one, update the comment.
Signed-off-by: Hanjun Guo <guohanjun@xxxxxxxxxx>
---
This patch just for comments, needs to be upstream in ACPICA first.
include/acpi/actbl2.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index e45ced2..382642f 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -104,7 +104,7 @@ enum acpi_iort_node_type {
struct acpi_iort_id_mapping {
u32 input_base; /* Lowest value in input range */
- u32 id_count; /* Number of IDs */
+ u32 id_count; /* Number of IDs in the range minus one */
The IORT spec also uses the term "Length" in the examples...
u32 output_base; /* Lowest value in output range */
u32 output_reference; /* A reference to the output node */
u32 flags;
