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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2016-05-09 00:07:47 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-06-10 22:09:41 -0700 |
| commit | c0ff9019ee64101fda8f19338da799fda8217e14 (patch) | |
| tree | ca3a5ce68a37f9742f4c09f002938ee5fe3b9eb9 /drivers/misc/mei/mei_dev.h | |
| parent | dc1392727e32a5e467c13365e56e292e50ee084c (diff) | |
| download | op-kernel-dev-c0ff9019ee64101fda8f19338da799fda8217e14.zip op-kernel-dev-c0ff9019ee64101fda8f19338da799fda8217e14.tar.gz | |
mei: drop wr_msg from the mei_dev structure
The control messages are usually small, around 8 bytes, and can be
allocated on the stack.
Using on stack allocation allows us to drop 'wr_msg' a rather large
buffer reserved in the mei_dev structure and relax contention
of this device global buffer.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/mei_dev.h')
| -rw-r--r-- | drivers/misc/mei/mei_dev.h | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index c9e0102..e5e3250 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -382,7 +382,6 @@ const char *mei_pg_state_str(enum mei_pg_state state); * * @hbuf_depth : depth of hardware host/write buffer is slots * @hbuf_is_ready : query if the host host/write buffer is ready - * @wr_msg : the buffer for hbm control messages * * @version : HBM protocol version in use * @hbm_f_pg_supported : hbm feature pgi protocol @@ -467,12 +466,6 @@ struct mei_device { u8 hbuf_depth; bool hbuf_is_ready; - /* used for control messages */ - struct { - struct mei_msg_hdr hdr; - unsigned char data[128]; - } wr_msg; - struct hbm_version version; unsigned int hbm_f_pg_supported:1; unsigned int hbm_f_dc_supported:1; @@ -670,8 +663,7 @@ static inline size_t mei_hbuf_max_len(const struct mei_device *dev) } static inline int mei_write_message(struct mei_device *dev, - struct mei_msg_hdr *hdr, - unsigned char *buf) + struct mei_msg_hdr *hdr, void *buf) { return dev->ops->write(dev, hdr, buf); } |
