diff options
Diffstat (limited to 'drivers/staging/fsl-mc/bus/dpcon.c')
| -rw-r--r-- | drivers/staging/fsl-mc/bus/dpcon.c | 115 |
1 files changed, 10 insertions, 105 deletions
diff --git a/drivers/staging/fsl-mc/bus/dpcon.c b/drivers/staging/fsl-mc/bus/dpcon.c index ca1da85c6dda..8f84d7b5465c 100644 --- a/drivers/staging/fsl-mc/bus/dpcon.c +++ b/drivers/staging/fsl-mc/bus/dpcon.c @@ -1,33 +1,7 @@ -/* Copyright 2013-2016 Freescale Semiconductor Inc. +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * Copyright 2013-2016 Freescale Semiconductor Inc. * - * 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 the above-listed copyright holders nor the - * names of any contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * 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 HOLDERS 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. */ #include <linux/kernel.h> #include "../include/mc.h" @@ -78,7 +52,7 @@ int dpcon_open(struct fsl_mc_io *mc_io, return 0; } -EXPORT_SYMBOL(dpcon_open); +EXPORT_SYMBOL_GPL(dpcon_open); /** * dpcon_close() - Close the control session of the object @@ -105,7 +79,7 @@ int dpcon_close(struct fsl_mc_io *mc_io, /* send command to mc*/ return mc_send_command(mc_io, &cmd); } -EXPORT_SYMBOL(dpcon_close); +EXPORT_SYMBOL_GPL(dpcon_close); /** * dpcon_enable() - Enable the DPCON @@ -129,7 +103,7 @@ int dpcon_enable(struct fsl_mc_io *mc_io, /* send command to mc*/ return mc_send_command(mc_io, &cmd); } -EXPORT_SYMBOL(dpcon_enable); +EXPORT_SYMBOL_GPL(dpcon_enable); /** * dpcon_disable() - Disable the DPCON @@ -153,43 +127,7 @@ int dpcon_disable(struct fsl_mc_io *mc_io, /* send command to mc*/ return mc_send_command(mc_io, &cmd); } -EXPORT_SYMBOL(dpcon_disable); - -/** - * dpcon_is_enabled() - Check if the DPCON is enabled. - * @mc_io: Pointer to MC portal's I/O object - * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' - * @token: Token of DPCON object - * @en: Returns '1' if object is enabled; '0' otherwise - * - * Return: '0' on Success; Error code otherwise. - */ -int dpcon_is_enabled(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 token, - int *en) -{ - struct mc_command cmd = { 0 }; - struct dpcon_rsp_is_enabled *dpcon_rsp; - int err; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPCON_CMDID_IS_ENABLED, - cmd_flags, - token); - - /* send command to mc*/ - err = mc_send_command(mc_io, &cmd); - if (err) - return err; - - /* retrieve response parameters */ - dpcon_rsp = (struct dpcon_rsp_is_enabled *)cmd.params; - *en = dpcon_rsp->enabled & DPCON_ENABLE; - - return 0; -} -EXPORT_SYMBOL(dpcon_is_enabled); +EXPORT_SYMBOL_GPL(dpcon_disable); /** * dpcon_reset() - Reset the DPCON, returns the object to initial state. @@ -212,7 +150,7 @@ int dpcon_reset(struct fsl_mc_io *mc_io, /* send command to mc*/ return mc_send_command(mc_io, &cmd); } -EXPORT_SYMBOL(dpcon_reset); +EXPORT_SYMBOL_GPL(dpcon_reset); /** * dpcon_get_attributes() - Retrieve DPCON attributes. @@ -250,7 +188,7 @@ int dpcon_get_attributes(struct fsl_mc_io *mc_io, return 0; } -EXPORT_SYMBOL(dpcon_get_attributes); +EXPORT_SYMBOL_GPL(dpcon_get_attributes); /** * dpcon_set_notification() - Set DPCON notification destination @@ -281,37 +219,4 @@ int dpcon_set_notification(struct fsl_mc_io *mc_io, /* send command to mc*/ return mc_send_command(mc_io, &cmd); } -EXPORT_SYMBOL(dpcon_set_notification); - -/** - * dpcon_get_api_version - Get Data Path Concentrator API version - * @mc_io: Pointer to MC portal's DPCON object - * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' - * @major_ver: Major version of DPCON API - * @minor_ver: Minor version of DPCON API - * - * Return: '0' on Success; Error code otherwise - */ -int dpcon_get_api_version(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 *major_ver, - u16 *minor_ver) -{ - struct mc_command cmd = { 0 }; - int err; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPCON_CMDID_GET_API_VERSION, - cmd_flags, 0); - - /* send command to mc */ - err = mc_send_command(mc_io, &cmd); - if (err) - return err; - - /* retrieve response parameters */ - mc_cmd_read_api_version(&cmd, major_ver, minor_ver); - - return 0; -} -EXPORT_SYMBOL(dpcon_get_api_version); +EXPORT_SYMBOL_GPL(dpcon_set_notification); |