staging: fsl-mc: Move DPBP out of staging

Move the source files out of staging into their final locations:
- dpbp.c goes to drivers/bus/fsl-mc/, next to the core infrastructure
- dpbp-cmd.h gets merged into drivers/bus/fsl-mc/fsl-mc-private.h, next
  to the other internally used APIs
- dpbp.h gets merged into include/linux/fsl/mc.h, exposing the public
  API

Update references in the dpaa2-eth staging driver.

DPBP stands for Data Path Buffer Pool - you can read more about the
object in Documentation/networking/dpaa2/overview.rst

Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

5 files changed, 2 insertions, 286 deletions

diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
index e577410fdf4f..ce864eede95c 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
@@ -35,10 +35,10 @@
 
 #include <linux/netdevice.h>
 #include <linux/if_vlan.h>
+#include <linux/fsl/mc.h>
 
 #include "../../fsl-mc/include/dpaa2-io.h"
 #include "../../fsl-mc/include/dpaa2-fd.h"
-#include "../../fsl-mc/include/dpbp.h"
 #include "../../fsl-mc/include/dpcon.h"
 #include "dpni.h"
 #include "dpni-cmd.h"
diff --git a/drivers/staging/fsl-mc/bus/Makefile b/drivers/staging/fsl-mc/bus/Makefile
index b67889ecbe5c..ea6479f65410 100644
--- a/drivers/staging/fsl-mc/bus/Makefile
+++ b/drivers/staging/fsl-mc/bus/Makefile
@@ -4,8 +4,7 @@
 #
 # Copyright (C) 2014 Freescale Semiconductor, Inc.
 #
-obj-$(CONFIG_FSL_MC_BUS) += dpbp.o \
-			    dpcon.o
+obj-$(CONFIG_FSL_MC_BUS) += dpcon.o
 
 # MC DPIO driver
 obj-$(CONFIG_FSL_MC_DPIO) += dpio/
diff --git a/drivers/staging/fsl-mc/bus/dpbp-cmd.h b/drivers/staging/fsl-mc/bus/dpbp-cmd.h
deleted file mode 100644
index 334002144e20..000000000000
--- a/drivers/staging/fsl-mc/bus/dpbp-cmd.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
-/*
- * Copyright 2013-2016 Freescale Semiconductor Inc.
- *
- */
-#ifndef _FSL_DPBP_CMD_H
-#define _FSL_DPBP_CMD_H
-
-/* DPBP Version */
-#define DPBP_VER_MAJOR				3
-#define DPBP_VER_MINOR				2
-
-/* Command versioning */
-#define DPBP_CMD_BASE_VERSION			1
-#define DPBP_CMD_ID_OFFSET			4
-
-#define DPBP_CMD(id)	(((id) << DPBP_CMD_ID_OFFSET) | DPBP_CMD_BASE_VERSION)
-
-/* Command IDs */
-#define DPBP_CMDID_CLOSE		DPBP_CMD(0x800)
-#define DPBP_CMDID_OPEN			DPBP_CMD(0x804)
-
-#define DPBP_CMDID_ENABLE		DPBP_CMD(0x002)
-#define DPBP_CMDID_DISABLE		DPBP_CMD(0x003)
-#define DPBP_CMDID_GET_ATTR		DPBP_CMD(0x004)
-#define DPBP_CMDID_RESET		DPBP_CMD(0x005)
-
-struct dpbp_cmd_open {
-	__le32 dpbp_id;
-};
-
-#define DPBP_ENABLE			0x1
-
-struct dpbp_rsp_get_attributes {
-	/* response word 0 */
-	__le16 pad;
-	__le16 bpid;
-	__le32 id;
-	/* response word 1 */
-	__le16 version_major;
-	__le16 version_minor;
-};
-
-#endif /* _FSL_DPBP_CMD_H */
diff --git a/drivers/staging/fsl-mc/bus/dpbp.c b/drivers/staging/fsl-mc/bus/dpbp.c
deleted file mode 100644
index 85735bb15930..000000000000
--- a/drivers/staging/fsl-mc/bus/dpbp.c
+++ /dev/null
@@ -1,186 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
-/*
- * Copyright 2013-2016 Freescale Semiconductor Inc.
- *
- */
-#include <linux/kernel.h>
-#include <linux/fsl/mc.h>
-#include "../include/dpbp.h"
-
-#include "dpbp-cmd.h"
-
-/**
- * dpbp_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_'
- * @dpbp_id:	DPBP 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 dpbp_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 dpbp_open(struct fsl_mc_io *mc_io,
-	      u32 cmd_flags,
-	      int dpbp_id,
-	      u16 *token)
-{
-	struct mc_command cmd = { 0 };
-	struct dpbp_cmd_open *cmd_params;
-	int err;
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPBP_CMDID_OPEN,
-					  cmd_flags, 0);
-	cmd_params = (struct dpbp_cmd_open *)cmd.params;
-	cmd_params->dpbp_id = cpu_to_le32(dpbp_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;
-}
-EXPORT_SYMBOL_GPL(dpbp_open);
-
-/**
- * dpbp_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 DPBP 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 dpbp_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(DPBP_CMDID_CLOSE, cmd_flags,
-					  token);
-
-	/* send command to mc*/
-	return mc_send_command(mc_io, &cmd);
-}
-EXPORT_SYMBOL_GPL(dpbp_close);
-
-/**
- * dpbp_enable() - Enable the DPBP.
- * @mc_io:	Pointer to MC portal's I/O object
- * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
- * @token:	Token of DPBP object
- *
- * Return:	'0' on Success; Error code otherwise.
- */
-int dpbp_enable(struct fsl_mc_io *mc_io,
-		u32 cmd_flags,
-		u16 token)
-{
-	struct mc_command cmd = { 0 };
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPBP_CMDID_ENABLE, cmd_flags,
-					  token);
-
-	/* send command to mc*/
-	return mc_send_command(mc_io, &cmd);
-}
-EXPORT_SYMBOL_GPL(dpbp_enable);
-
-/**
- * dpbp_disable() - Disable the DPBP.
- * @mc_io:	Pointer to MC portal's I/O object
- * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
- * @token:	Token of DPBP object
- *
- * Return:	'0' on Success; Error code otherwise.
- */
-int dpbp_disable(struct fsl_mc_io *mc_io,
-		 u32 cmd_flags,
-		 u16 token)
-{
-	struct mc_command cmd = { 0 };
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPBP_CMDID_DISABLE,
-					  cmd_flags, token);
-
-	/* send command to mc*/
-	return mc_send_command(mc_io, &cmd);
-}
-EXPORT_SYMBOL_GPL(dpbp_disable);
-
-/**
- * dpbp_reset() - Reset the DPBP, 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 DPBP object
- *
- * Return:	'0' on Success; Error code otherwise.
- */
-int dpbp_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(DPBP_CMDID_RESET,
-					  cmd_flags, token);
-
-	/* send command to mc*/
-	return mc_send_command(mc_io, &cmd);
-}
-EXPORT_SYMBOL_GPL(dpbp_reset);
-
-/**
- * dpbp_get_attributes - Retrieve DPBP attributes.
- *
- * @mc_io:	Pointer to MC portal's I/O object
- * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
- * @token:	Token of DPBP object
- * @attr:	Returned object's attributes
- *
- * Return:	'0' on Success; Error code otherwise.
- */
-int dpbp_get_attributes(struct fsl_mc_io *mc_io,
-			u32 cmd_flags,
-			u16 token,
-			struct dpbp_attr *attr)
-{
-	struct mc_command cmd = { 0 };
-	struct dpbp_rsp_get_attributes *rsp_params;
-	int err;
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_ATTR,
-					  cmd_flags, token);
-
-	/* send command to mc*/
-	err = mc_send_command(mc_io, &cmd);
-	if (err)
-		return err;
-
-	/* retrieve response parameters */
-	rsp_params = (struct dpbp_rsp_get_attributes *)cmd.params;
-	attr->bpid = le16_to_cpu(rsp_params->bpid);
-	attr->id = le32_to_cpu(rsp_params->id);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(dpbp_get_attributes);
diff --git a/drivers/staging/fsl-mc/include/dpbp.h b/drivers/staging/fsl-mc/include/dpbp.h
deleted file mode 100644
index 7b9f7ad5e925..000000000000
--- a/drivers/staging/fsl-mc/include/dpbp.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
-/*
- * Copyright 2013-2016 Freescale Semiconductor Inc.
- *
- */
-#ifndef __FSL_DPBP_H
-#define __FSL_DPBP_H
-
-/*
- * Data Path Buffer Pool API
- * Contains initialization APIs and runtime control APIs for DPBP
- */
-
-struct fsl_mc_io;
-
-int dpbp_open(struct fsl_mc_io *mc_io,
-	      u32 cmd_flags,
-	      int dpbp_id,
-	      u16 *token);
-
-int dpbp_close(struct fsl_mc_io *mc_io,
-	       u32 cmd_flags,
-	       u16 token);
-
-int dpbp_enable(struct fsl_mc_io *mc_io,
-		u32 cmd_flags,
-		u16 token);
-
-int dpbp_disable(struct fsl_mc_io *mc_io,
-		 u32 cmd_flags,
-		 u16 token);
-
-int dpbp_reset(struct fsl_mc_io *mc_io,
-	       u32 cmd_flags,
-	       u16 token);
-
-/**
- * struct dpbp_attr - Structure representing DPBP attributes
- * @id:		DPBP object ID
- * @bpid:	Hardware buffer pool ID; should be used as an argument in
- *		acquire/release operations on buffers
- */
-struct dpbp_attr {
-	int id;
-	u16 bpid;
-};
-
-int dpbp_get_attributes(struct fsl_mc_io *mc_io,
-			u32 cmd_flags,
-			u16 token,
-			struct dpbp_attr *attr);
-
-#endif /* __FSL_DPBP_H */