staging: fsl-mc: drop unused dpcon APIs

Couple of API functions are not used so lets drop them together with
the associated structures and defines.
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/fsl-mc/bus/dpcon-cmd.h

@@ -45,13 +45,11 @@
 /* Command IDs */
 #define DPCON_CMDID_CLOSE			DPCON_CMD(0x800)
 #define DPCON_CMDID_OPEN			DPCON_CMD(0x808)
-#define DPCON_CMDID_GET_API_VERSION		DPCON_CMD(0xa08)
 
 #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_IS_ENABLED			DPCON_CMD(0x006)
 
 #define DPCON_CMDID_SET_NOTIFICATION		DPCON_CMD(0x100)
 
@@ -61,10 +59,6 @@ struct dpcon_cmd_open {
 
 #define DPCON_ENABLE			1
 
-struct dpcon_rsp_is_enabled {
-	u8 enabled;
-};
-
 struct dpcon_rsp_get_attr {
 	/* response word 0 */
 	__le32 id;

drivers/staging/fsl-mc/bus/dpcon.c

@@ -155,42 +155,6 @@ int dpcon_disable(struct fsl_mc_io *mc_io,
 }
 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);
-
 /**
  * dpcon_reset() - Reset the DPCON, returns the object to initial state.
  * @mc_io:	Pointer to MC portal's I/O object
@@ -282,36 +246,3 @@ int dpcon_set_notification(struct fsl_mc_io *mc_io,
 	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);

drivers/staging/fsl-mc/include/dpcon.h

@@ -62,11 +62,6 @@ int dpcon_disable(struct fsl_mc_io *mc_io,
 		  u32 cmd_flags,
 		  u16 token);
 
-int dpcon_is_enabled(struct fsl_mc_io *mc_io,
-		     u32 cmd_flags,
-		     u16 token,
-		     int *en);
-
 int dpcon_reset(struct fsl_mc_io *mc_io,
 		u32 cmd_flags,
 		u16 token);
@@ -107,9 +102,4 @@ int dpcon_set_notification(struct fsl_mc_io *mc_io,
 			   u16 token,
 			   struct dpcon_notification_cfg *cfg);
 
-int dpcon_get_api_version(struct fsl_mc_io *mc_io,
-			  u32 cmd_flags,
-			  u16 *major_ver,
-			  u16 *minor_ver);
-
 #endif /* __FSL_DPCON_H */