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

Update references in the dpaa2-eth staging driver.

DPCON stands for Data Path Concentrator - an interface between DPIO
(Data Path IO) and its users (e.g. dpaa2-eth). You can read more about
DPIO in Documentation/networking/dpaa2/overview.rst

Signed-off-by: Bogdan Purcareata <bogdan.purcare...@nxp.com>
Reviewed-by: Laurentiu Tudor <laurentiu.tu...@nxp.com>
---
v1 -> v2:
- properly refactor #include line (Laurentiu)

 drivers/bus/fsl-mc/Makefile                        |  1 +
 drivers/{staging/fsl-mc/bus => bus/fsl-mc}/dpcon.c |  4 +-
 drivers/bus/fsl-mc/fsl-mc-private.h                | 48 +++++++++++++
 drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h     |  1 -
 drivers/staging/fsl-mc/bus/Makefile                |  1 -
 drivers/staging/fsl-mc/bus/dpcon-cmd.h             | 53 ---------------
 drivers/staging/fsl-mc/include/dpcon.h             | 79 ----------------------
 include/linux/fsl/mc.h                             | 66 ++++++++++++++++++
 8 files changed, 117 insertions(+), 136 deletions(-)
 rename drivers/{staging/fsl-mc/bus => bus/fsl-mc}/dpcon.c (99%)
 delete mode 100644 drivers/staging/fsl-mc/bus/dpcon-cmd.h
 delete mode 100644 drivers/staging/fsl-mc/include/dpcon.h

diff --git a/drivers/bus/fsl-mc/Makefile b/drivers/bus/fsl-mc/Makefile
index da26e52..3c518c7 100644
--- a/drivers/bus/fsl-mc/Makefile
+++ b/drivers/bus/fsl-mc/Makefile
@@ -10,6 +10,7 @@ mc-bus-driver-objs := fsl-mc-bus.o \
                      mc-sys.o \
                      mc-io.o \
                      dpbp.o \
+                     dpcon.o \
                      dprc.o \
                      dprc-driver.o \
                      fsl-mc-allocator.o \
diff --git a/drivers/staging/fsl-mc/bus/dpcon.c b/drivers/bus/fsl-mc/dpcon.c
similarity index 99%
rename from drivers/staging/fsl-mc/bus/dpcon.c
rename to drivers/bus/fsl-mc/dpcon.c
index 021b425..a1ba819 100644
--- a/drivers/staging/fsl-mc/bus/dpcon.c
+++ b/drivers/bus/fsl-mc/dpcon.c
@@ -5,9 +5,9 @@
  */
 #include <linux/kernel.h>
 #include <linux/fsl/mc.h>
-#include "../include/dpcon.h"
+#include <linux/fsl/mc.h>
 
-#include "dpcon-cmd.h"
+#include "fsl-mc-private.h"
 
 /**
  * dpcon_open() - Open a control session for the specified object
diff --git a/drivers/bus/fsl-mc/fsl-mc-private.h 
b/drivers/bus/fsl-mc/fsl-mc-private.h
index 4ef8d7e..52c069d 100644
--- a/drivers/bus/fsl-mc/fsl-mc-private.h
+++ b/drivers/bus/fsl-mc/fsl-mc-private.h
@@ -418,6 +418,54 @@ struct dpbp_rsp_get_attributes {
        __le16 version_minor;
 };
 
+/*
+ * Data Path Concentrator (DPCON) API
+ */
+
+/* DPCON Version */
+#define DPCON_VER_MAJOR                                3
+#define DPCON_VER_MINOR                                2
+
+/* Command versioning */
+#define DPCON_CMD_BASE_VERSION                 1
+#define DPCON_CMD_ID_OFFSET                    4
+
+#define DPCON_CMD(id)  (((id) << DPCON_CMD_ID_OFFSET) | DPCON_CMD_BASE_VERSION)
+
+/* Command IDs */
+#define DPCON_CMDID_CLOSE                      DPCON_CMD(0x800)
+#define DPCON_CMDID_OPEN                       DPCON_CMD(0x808)
+
+#define DPCON_CMDID_ENABLE                     DPCON_CMD(0x002)
+#define DPCON_CMDID_DISABLE                    DPCON_CMD(0x003)
+#define DPCON_CMDID_GET_ATTR                   DPCON_CMD(0x004)
+#define DPCON_CMDID_RESET                      DPCON_CMD(0x005)
+
+#define DPCON_CMDID_SET_NOTIFICATION           DPCON_CMD(0x100)
+
+struct dpcon_cmd_open {
+       __le32 dpcon_id;
+};
+
+#define DPCON_ENABLE                   1
+
+struct dpcon_rsp_get_attr {
+       /* response word 0 */
+       __le32 id;
+       __le16 qbman_ch_id;
+       u8 num_priorities;
+       u8 pad;
+};
+
+struct dpcon_cmd_set_notification {
+       /* cmd word 0 */
+       __le32 dpio_id;
+       u8 priority;
+       u8 pad[3];
+       /* cmd word 1 */
+       __le64 user_ctx;
+};
+
 /**
  * Maximum number of total IRQs that can be pre-allocated for an MC bus'
  * IRQ pool
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h 
b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
index ce864ee..b8990cf 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-eth.h
@@ -39,7 +39,6 @@
 
 #include "../../fsl-mc/include/dpaa2-io.h"
 #include "../../fsl-mc/include/dpaa2-fd.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 ea6479f..21d8ebc 100644
--- a/drivers/staging/fsl-mc/bus/Makefile
+++ b/drivers/staging/fsl-mc/bus/Makefile
@@ -4,7 +4,6 @@
 #
 # Copyright (C) 2014 Freescale Semiconductor, Inc.
 #
-obj-$(CONFIG_FSL_MC_BUS) += dpcon.o
 
 # MC DPIO driver
 obj-$(CONFIG_FSL_MC_DPIO) += dpio/
diff --git a/drivers/staging/fsl-mc/bus/dpcon-cmd.h 
b/drivers/staging/fsl-mc/bus/dpcon-cmd.h
deleted file mode 100644
index 27fa098..0000000
--- a/drivers/staging/fsl-mc/bus/dpcon-cmd.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_DPCON_CMD_H
-#define _FSL_DPCON_CMD_H
-
-/* DPCON Version */
-#define DPCON_VER_MAJOR                                3
-#define DPCON_VER_MINOR                                2
-
-/* Command versioning */
-#define DPCON_CMD_BASE_VERSION                 1
-#define DPCON_CMD_ID_OFFSET                    4
-
-#define DPCON_CMD(id)  (((id) << DPCON_CMD_ID_OFFSET) | DPCON_CMD_BASE_VERSION)
-
-/* Command IDs */
-#define DPCON_CMDID_CLOSE                      DPCON_CMD(0x800)
-#define DPCON_CMDID_OPEN                       DPCON_CMD(0x808)
-
-#define DPCON_CMDID_ENABLE                     DPCON_CMD(0x002)
-#define DPCON_CMDID_DISABLE                    DPCON_CMD(0x003)
-#define DPCON_CMDID_GET_ATTR                   DPCON_CMD(0x004)
-#define DPCON_CMDID_RESET                      DPCON_CMD(0x005)
-
-#define DPCON_CMDID_SET_NOTIFICATION           DPCON_CMD(0x100)
-
-struct dpcon_cmd_open {
-       __le32 dpcon_id;
-};
-
-#define DPCON_ENABLE                   1
-
-struct dpcon_rsp_get_attr {
-       /* response word 0 */
-       __le32 id;
-       __le16 qbman_ch_id;
-       u8 num_priorities;
-       u8 pad;
-};
-
-struct dpcon_cmd_set_notification {
-       /* cmd word 0 */
-       __le32 dpio_id;
-       u8 priority;
-       u8 pad[3];
-       /* cmd word 1 */
-       __le64 user_ctx;
-};
-
-#endif /* _FSL_DPCON_CMD_H */
diff --git a/drivers/staging/fsl-mc/include/dpcon.h 
b/drivers/staging/fsl-mc/include/dpcon.h
deleted file mode 100644
index 062e90a..0000000
--- a/drivers/staging/fsl-mc/include/dpcon.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
-/*
- * Copyright 2013-2016 Freescale Semiconductor Inc.
- *
- */
-#ifndef __FSL_DPCON_H
-#define __FSL_DPCON_H
-
-/* Data Path Concentrator API
- * Contains initialization APIs and runtime control APIs for DPCON
- */
-
-struct fsl_mc_io;
-
-/** General DPCON macros */
-
-/**
- * Use it to disable notifications; see dpcon_set_notification()
- */
-#define DPCON_INVALID_DPIO_ID          (int)(-1)
-
-int dpcon_open(struct fsl_mc_io *mc_io,
-              u32 cmd_flags,
-              int dpcon_id,
-              u16 *token);
-
-int dpcon_close(struct fsl_mc_io *mc_io,
-               u32 cmd_flags,
-               u16 token);
-
-int dpcon_enable(struct fsl_mc_io *mc_io,
-                u32 cmd_flags,
-                u16 token);
-
-int dpcon_disable(struct fsl_mc_io *mc_io,
-                 u32 cmd_flags,
-                 u16 token);
-
-int dpcon_reset(struct fsl_mc_io *mc_io,
-               u32 cmd_flags,
-               u16 token);
-
-/**
- * struct dpcon_attr - Structure representing DPCON attributes
- * @id: DPCON object ID
- * @qbman_ch_id: Channel ID to be used by dequeue operation
- * @num_priorities: Number of priorities for the DPCON channel (1-8)
- */
-struct dpcon_attr {
-       int id;
-       u16 qbman_ch_id;
-       u8 num_priorities;
-};
-
-int dpcon_get_attributes(struct fsl_mc_io *mc_io,
-                        u32 cmd_flags,
-                        u16 token,
-                        struct dpcon_attr *attr);
-
-/**
- * struct dpcon_notification_cfg - Structure representing notification params
- * @dpio_id:   DPIO object ID; must be configured with a notification channel;
- *     to disable notifications set it to 'DPCON_INVALID_DPIO_ID';
- * @priority:  Priority selection within the DPIO channel; valid values
- *             are 0-7, depending on the number of priorities in that channel
- * @user_ctx:  User context value provided with each CDAN message
- */
-struct dpcon_notification_cfg {
-       int dpio_id;
-       u8 priority;
-       u64 user_ctx;
-};
-
-int dpcon_set_notification(struct fsl_mc_io *mc_io,
-                          u32 cmd_flags,
-                          u16 token,
-                          struct dpcon_notification_cfg *cfg);
-
-#endif /* __FSL_DPCON_H */
diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h
index 66118e1..cfb1fbf 100644
--- a/include/linux/fsl/mc.h
+++ b/include/linux/fsl/mc.h
@@ -493,4 +493,70 @@ int dpbp_get_attributes(struct fsl_mc_io *mc_io,
                        u16 token,
                        struct dpbp_attr *attr);
 
+/* Data Path Concentrator (DPCON) API
+ * Contains initialization APIs and runtime control APIs for DPCON
+ */
+
+/**
+ * Use it to disable notifications; see dpcon_set_notification()
+ */
+#define DPCON_INVALID_DPIO_ID          (int)(-1)
+
+int dpcon_open(struct fsl_mc_io *mc_io,
+              u32 cmd_flags,
+              int dpcon_id,
+              u16 *token);
+
+int dpcon_close(struct fsl_mc_io *mc_io,
+               u32 cmd_flags,
+               u16 token);
+
+int dpcon_enable(struct fsl_mc_io *mc_io,
+                u32 cmd_flags,
+                u16 token);
+
+int dpcon_disable(struct fsl_mc_io *mc_io,
+                 u32 cmd_flags,
+                 u16 token);
+
+int dpcon_reset(struct fsl_mc_io *mc_io,
+               u32 cmd_flags,
+               u16 token);
+
+/**
+ * struct dpcon_attr - Structure representing DPCON attributes
+ * @id: DPCON object ID
+ * @qbman_ch_id: Channel ID to be used by dequeue operation
+ * @num_priorities: Number of priorities for the DPCON channel (1-8)
+ */
+struct dpcon_attr {
+       int id;
+       u16 qbman_ch_id;
+       u8 num_priorities;
+};
+
+int dpcon_get_attributes(struct fsl_mc_io *mc_io,
+                        u32 cmd_flags,
+                        u16 token,
+                        struct dpcon_attr *attr);
+
+/**
+ * struct dpcon_notification_cfg - Structure representing notification params
+ * @dpio_id:   DPIO object ID; must be configured with a notification channel;
+ *     to disable notifications set it to 'DPCON_INVALID_DPIO_ID';
+ * @priority:  Priority selection within the DPIO channel; valid values
+ *             are 0-7, depending on the number of priorities in that channel
+ * @user_ctx:  User context value provided with each CDAN message
+ */
+struct dpcon_notification_cfg {
+       int dpio_id;
+       u8 priority;
+       u64 user_ctx;
+};
+
+int dpcon_set_notification(struct fsl_mc_io *mc_io,
+                          u32 cmd_flags,
+                          u16 token,
+                          struct dpcon_notification_cfg *cfg);
+
 #endif /* _FSL_MC_H_ */
-- 
2.7.4

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