diff options
| author | Tomas Winkler <tomas.winkler@intel.com> | 2015-02-10 10:39:46 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-01 19:37:00 -0800 |
| commit | a9bed61053af13c0768f82c9d1c8793515dd067c (patch) | |
| tree | 3beb3a01fbfc4c8cc1d73c18a220478ad5683cd8 /drivers/misc/mei/mei_dev.h | |
| parent | 928fa6664b362aad70c16f04483414f60743e15e (diff) | |
mei: allow read concurrency
Replace clunky read state machine with read stack
implemented as per client read list, this is important
mostly for mei drivers with unsolicited reads
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, 4 insertions, 6 deletions
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h index 1a0f6e9588b6..f066ecd71939 100644 --- a/drivers/misc/mei/mei_dev.h +++ b/drivers/misc/mei/mei_dev.h @@ -231,9 +231,9 @@ struct mei_cl_cb { * @me_client_id: me/fw id * @mei_flow_ctrl_creds: transmit flow credentials * @timer_count: watchdog timer for operation completion - * @reading_state: state of the rx * @writing_state: state of the tx - * @read_cb: current pending reading callback + * @rd_pending: pending read credits + * @rd_completed: completed read * * @device: device on the mei client bus * @device_link: link to bus clients @@ -251,9 +251,9 @@ struct mei_cl { u8 me_client_id; u8 mei_flow_ctrl_creds; u8 timer_count; - enum mei_file_transaction_states reading_state; enum mei_file_transaction_states writing_state; - struct mei_cl_cb *read_cb; + struct list_head rd_pending; + struct list_head rd_completed; /* MEI CL bus data */ struct mei_cl_device *device; @@ -425,7 +425,6 @@ const char *mei_pg_state_str(enum mei_pg_state state); * @cdev : character device * @minor : minor number allocated for device * - * @read_list : read completion list * @write_list : write pending list * @write_waiting_list : write completion list * @ctrl_wr_list : pending control write list @@ -501,7 +500,6 @@ struct mei_device { struct cdev cdev; int minor; - struct mei_cl_cb read_list; struct mei_cl_cb write_list; struct mei_cl_cb write_waiting_list; struct mei_cl_cb ctrl_wr_list; |