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| author |   Alex Elder <elder@linaro.org> | 2022-05-21 19:32:23 -0500 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2022-05-22 20:46:12 +0100 |
| commit | a224bd4b88caa3ac62a4b541a07fae7ea26cab7a (patch) | |
| tree | a894e4154d3532175bf34d93980d3579ecea3773 | |
| parent | net: ipa: remove command info pool (diff) | |
| download | linux-dev-a224bd4b88caa3ac62a4b541a07fae7ea26cab7a.tar.xz linux-dev-a224bd4b88caa3ac62a4b541a07fae7ea26cab7a.zip | |
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>
| -rw-r--r-- | drivers/net/ipa/gsi_trans.h | 6 |
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; |