The 64-bit data field in a transaction is not used for commands.
And the opcode array is *only* used for commands. They're
(currently) the same size; save a little space in the transaction
structure by enclosing the two fields in a union.
Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
---
drivers/net/ipa/gsi_trans.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ipa/gsi_trans.h b/drivers/net/ipa/gsi_trans.h
index 99ce2cba0dc3c..020c3b32de1d7 100644
--- a/drivers/net/ipa/gsi_trans.h
+++ b/drivers/net/ipa/gsi_trans.h
@@ -60,8 +60,10 @@ struct gsi_trans {
u8 used; /* # entries used in sgl[] */
u32 len; /* total # bytes across sgl[] */
- void *data;
- u8 cmd_opcode[IPA_COMMAND_TRANS_TRE_MAX];
+ union {
+ void *data;
+ u8 cmd_opcode[IPA_COMMAND_TRANS_TRE_MAX];
+ };
struct scatterlist *sgl;
enum dma_data_direction direction;
--
2.32.0
