diff options
author | Edmund Nadolski <edmund.nadolski@intel.com> | 2011-06-02 00:10:50 +0000 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2011-07-03 04:04:50 -0700 |
commit | 12ef65444de9d387a383b9991960848bed5bbe74 (patch) | |
tree | cc7145adf102b57ae4bc347974b23974d795d2c8 /drivers/scsi/isci/state_machine.c | |
parent | e301370ac553a9a0ac0d1d25e769b86cf60395b3 (diff) | |
download | talos-obmc-linux-12ef65444de9d387a383b9991960848bed5bbe74.tar.gz talos-obmc-linux-12ef65444de9d387a383b9991960848bed5bbe74.zip |
isci: additional state machine cleanup
Additional state machine cleanups:
o Remove static functions sci_state_machine_exit_state() and
sci_state_machine_enter_state()
o Combines sci_base_state_machine_construct() and
sci_base_state_machine_start() into a single function,
sci_init_sm()
o Remove sci_base_state_machine_stop() which is unused.
o Kill state_machine.[ch]
Signed-off-by: Edmund Nadolski <edmund.nadolski@intel.com>
[fixed too large to inline functions]
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/scsi/isci/state_machine.c')
-rw-r--r-- | drivers/scsi/isci/state_machine.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/drivers/scsi/isci/state_machine.c b/drivers/scsi/isci/state_machine.c deleted file mode 100644 index 8cfefb959f22..000000000000 --- a/drivers/scsi/isci/state_machine.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. - * The full GNU General Public License is included in this distribution - * in the file called LICENSE.GPL. - * - * BSD LICENSE - * - * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * This file contains all of the functionality common to all state machine - * object implementations. - * - * - */ - -#include "state_machine.h" - -static void sci_state_machine_exit_state(struct sci_base_state_machine *sm) -{ - u32 state = sm->current_state_id; - sci_state_transition_t exit = sm->state_table[state].exit_state; - - if (exit) - exit(sm); -} - -static void sci_state_machine_enter_state(struct sci_base_state_machine *sm) -{ - u32 state = sm->current_state_id; - sci_state_transition_t enter = sm->state_table[state].enter_state; - - if (enter) - enter(sm); -} - -/** - * This method will set the initial state and state table for the state - * machine. The caller should follow this request with the initialize - * request to cause the state machine to start. - * @sm: This parameter provides the state machine object to be - * constructed. - * @state_table: This parameter specifies the table of state objects that is - * managed by this state machine. - * @initial_state: This parameter specifies the value of the initial state for - * this state machine. - * - */ -void sci_base_state_machine_construct(struct sci_base_state_machine *sm, - const struct sci_base_state *state_table, - u32 initial_state) -{ - sm->initial_state_id = initial_state; - sm->previous_state_id = initial_state; - sm->current_state_id = initial_state; - sm->state_table = state_table; -} - -/** - * This method will cause the state machine to enter the initial state. - * @sm: This parameter specifies the state machine that is to - * be started. - * - * sci_base_state_machine_construct() for how to set the initial state none - */ -void sci_base_state_machine_start(struct sci_base_state_machine *sm) -{ - sm->current_state_id = sm->initial_state_id; - sci_state_machine_enter_state(sm); -} - -/** - * This method will cause the state machine to exit it's current state only. - * @sm: This parameter specifies the state machine that is to - * be stopped. - * - */ -void sci_base_state_machine_stop( - struct sci_base_state_machine *sm) -{ - sci_state_machine_exit_state(sm); -} - -void sci_change_state(struct sci_base_state_machine *sm, u32 next_state) -{ - sci_state_machine_exit_state(sm); - - sm->previous_state_id = sm->current_state_id; - sm->current_state_id = next_state; - - sci_state_machine_enter_state(sm); -} |