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authorAlex Elder <elder@linaro.org>2022-05-22 03:32:23 +0300
committerDavid S. Miller <davem@davemloft.net>2022-05-22 22:46:12 +0300
commita224bd4b88caa3ac62a4b541a07fae7ea26cab7a (patch)
treea894e4154d3532175bf34d93980d3579ecea3773 /drivers/net/ipa
parent8797972afff3d462711758acec68be11172e2d01 (diff)
downloadlinux-a224bd4b88caa3ac62a4b541a07fae7ea26cab7a.tar.xz
net: ipa: use data space for command opcodes
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@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ipa')
-rw-r--r--drivers/net/ipa/gsi_trans.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ipa/gsi_trans.h b/drivers/net/ipa/gsi_trans.h
index 99ce2cba0dc3..020c3b32de1d 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;