diff options
Diffstat (limited to 'drivers/staging/fsl-mc/bus/dpmcp.c')
-rw-r--r-- | drivers/staging/fsl-mc/bus/dpmcp.c | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/drivers/staging/fsl-mc/bus/dpmcp.c b/drivers/staging/fsl-mc/bus/dpmcp.c deleted file mode 100644 index be07c77520af..000000000000 --- a/drivers/staging/fsl-mc/bus/dpmcp.c +++ /dev/null @@ -1,99 +0,0 @@ -// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) -/* - * Copyright 2013-2016 Freescale Semiconductor Inc. - * - */ -#include <linux/kernel.h> -#include "../include/mc.h" - -#include "fsl-mc-private.h" - -/** - * dpmcp_open() - Open a control session for the specified object. - * @mc_io: Pointer to MC portal's I/O object - * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' - * @dpmcp_id: DPMCP unique ID - * @token: Returned token; use in subsequent API calls - * - * This function can be used to open a control session for an - * already created object; an object may have been declared in - * the DPL or by calling the dpmcp_create function. - * This function returns a unique authentication token, - * associated with the specific object ID and the specific MC - * portal; this token must be used in all subsequent commands for - * this specific object - * - * Return: '0' on Success; Error code otherwise. - */ -int dpmcp_open(struct fsl_mc_io *mc_io, - u32 cmd_flags, - int dpmcp_id, - u16 *token) -{ - struct mc_command cmd = { 0 }; - struct dpmcp_cmd_open *cmd_params; - int err; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPMCP_CMDID_OPEN, - cmd_flags, 0); - cmd_params = (struct dpmcp_cmd_open *)cmd.params; - cmd_params->dpmcp_id = cpu_to_le32(dpmcp_id); - - /* send command to mc*/ - err = mc_send_command(mc_io, &cmd); - if (err) - return err; - - /* retrieve response parameters */ - *token = mc_cmd_hdr_read_token(&cmd); - - return err; -} - -/** - * dpmcp_close() - Close the control session of the object - * @mc_io: Pointer to MC portal's I/O object - * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' - * @token: Token of DPMCP object - * - * After this function is called, no further operations are - * allowed on the object without opening a new control session. - * - * Return: '0' on Success; Error code otherwise. - */ -int dpmcp_close(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 token) -{ - struct mc_command cmd = { 0 }; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPMCP_CMDID_CLOSE, - cmd_flags, token); - - /* send command to mc*/ - return mc_send_command(mc_io, &cmd); -} - -/** - * dpmcp_reset() - Reset the DPMCP, returns the object to initial state. - * @mc_io: Pointer to MC portal's I/O object - * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' - * @token: Token of DPMCP object - * - * Return: '0' on Success; Error code otherwise. - */ -int dpmcp_reset(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 token) -{ - struct mc_command cmd = { 0 }; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPMCP_CMDID_RESET, - cmd_flags, token); - - /* send command to mc*/ - return mc_send_command(mc_io, &cmd); -} |