staging: line6: drop unused dumprequest code

The line6 drive no longer requests MIDI dumps from the device so
dumprequest.c is not needed.

Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/line6/Makefile b/drivers/staging/line6/Makefile
index 44ee5ae..ae5c374 100644 (file)
--- a/drivers/staging/line6/Makefile
+++ b/drivers/staging/line6/Makefile
@@ -4,7 +4,6 @@ line6usb-y :=           \
                audio.o         \
                capture.o       \
                driver.o        \
-               dumprequest.o   \
                midi.o          \
                midibuf.o       \
                pcm.o           \

diff --git a/drivers/staging/line6/dumprequest.c b/drivers/staging/line6/dumprequest.c
deleted file mode 100644 (file)
index 60c7bae..0000000
--- a/drivers/staging/line6/dumprequest.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Line6 Linux USB driver - 0.9.1beta
- *
- * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
- *
- *     This program is free software; you can redistribute it and/or
- *     modify it under the terms of the GNU General Public License as
- *     published by the Free Software Foundation, version 2.
- *
- */
-
-#include <linux/slab.h>
-
-#include "driver.h"
-#include "dumprequest.h"
-
-/*
-       Set "dump in progress" flag.
-*/
-void line6_dump_started(struct line6_dump_request *l6dr, int dest)
-{
-       l6dr->in_progress = dest;
-}
-
-/*
-       Invalidate current channel, i.e., set "dump in progress" flag.
-       Reading from the "dump" special file blocks until dump is completed.
-*/
-void line6_invalidate_current(struct line6_dump_request *l6dr)
-{
-       line6_dump_started(l6dr, LINE6_DUMP_CURRENT);
-}
-
-/*
-       Clear "dump in progress" flag and notify waiting processes.
-*/
-void line6_dump_finished(struct line6_dump_request *l6dr)
-{
-       l6dr->in_progress = LINE6_DUMP_NONE;
-       wake_up(&l6dr->wait);
-}
-
-/*
-       Send an asynchronous channel dump request.
-*/
-int line6_dump_request_async(struct line6_dump_request *l6dr,
-                            struct usb_line6 *line6, int num, int dest)
-{
-       int ret;
-       line6_dump_started(l6dr, dest);
-       ret = line6_send_raw_message_async(line6, l6dr->reqbufs[num].buffer,
-                                          l6dr->reqbufs[num].length);
-
-       if (ret < 0)
-               line6_dump_finished(l6dr);
-
-       return ret;
-}
-
-/*
-       Wait for completion (interruptible).
-*/
-int line6_dump_wait_interruptible(struct line6_dump_request *l6dr)
-{
-       return wait_event_interruptible(l6dr->wait,
-                                       l6dr->in_progress == LINE6_DUMP_NONE);
-}
-
-/*
-       Wait for completion.
-*/
-void line6_dump_wait(struct line6_dump_request *l6dr)
-{
-       wait_event(l6dr->wait, l6dr->in_progress == LINE6_DUMP_NONE);
-}
-
-/*
-       Wait for completion (with timeout).
-*/
-int line6_dump_wait_timeout(struct line6_dump_request *l6dr, long timeout)
-{
-       return wait_event_timeout(l6dr->wait,
-                                 l6dr->in_progress == LINE6_DUMP_NONE,
-                                 timeout);
-}
-
-/*
-       Initialize dump request buffer.
-*/
-int line6_dumpreq_initbuf(struct line6_dump_request *l6dr, const void *buf,
-                         size_t len, int num)
-{
-       l6dr->reqbufs[num].buffer = kmemdup(buf, len, GFP_KERNEL);
-       if (l6dr->reqbufs[num].buffer == NULL)
-               return -ENOMEM;
-       l6dr->reqbufs[num].length = len;
-       return 0;
-}
-
-/*
-       Initialize dump request data structure (including one buffer).
-*/
-int line6_dumpreq_init(struct line6_dump_request *l6dr, const void *buf,
-                      size_t len)
-{
-       int ret;
-       ret = line6_dumpreq_initbuf(l6dr, buf, len, 0);
-       if (ret < 0)
-               return ret;
-       init_waitqueue_head(&l6dr->wait);
-       return 0;
-}
-
-/*
-       Destruct dump request data structure.
-*/
-void line6_dumpreq_destructbuf(struct line6_dump_request *l6dr, int num)
-{
-       if (l6dr == NULL)
-               return;
-       if (l6dr->reqbufs[num].buffer == NULL)
-               return;
-       kfree(l6dr->reqbufs[num].buffer);
-       l6dr->reqbufs[num].buffer = NULL;
-}
-
-/*
-       Destruct dump request data structure.
-*/
-void line6_dumpreq_destruct(struct line6_dump_request *l6dr)
-{
-       if (l6dr->reqbufs[0].buffer == NULL)
-               return;
-       line6_dumpreq_destructbuf(l6dr, 0);
-}

diff --git a/drivers/staging/line6/dumprequest.h b/drivers/staging/line6/dumprequest.h
deleted file mode 100644 (file)
index c17a262..0000000
--- a/drivers/staging/line6/dumprequest.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Line6 Linux USB driver - 0.9.1beta
- *
- * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
- *
- *     This program is free software; you can redistribute it and/or
- *     modify it under the terms of the GNU General Public License as
- *     published by the Free Software Foundation, version 2.
- *
- */
-
-#ifndef DUMPREQUEST_H
-#define DUMPREQUEST_H
-
-#include <linux/usb.h>
-#include <linux/wait.h>
-#include <sound/core.h>
-
-enum {
-       LINE6_DUMP_NONE,
-       LINE6_DUMP_CURRENT
-};
-
-struct line6_dump_reqbuf {
-       /**
-                Buffer for dump requests.
-       */
-       unsigned char *buffer;
-
-       /**
-                Size of dump request.
-       */
-       size_t length;
-};
-
-/**
-        Provides the functionality to request channel/model/... dump data from a
-        Line6 device.
-*/
-struct line6_dump_request {
-       /**
-                Wait queue for access to program dump data.
-       */
-       wait_queue_head_t wait;
-
-       /**
-                Indicates an unfinished program dump request.
-                0: no dump
-                1: dump current settings
-                Other device-specific values are also allowed.
-       */
-       int in_progress;
-
-       /**
-                Dump request buffers
-       */
-       struct line6_dump_reqbuf reqbufs[1];
-};
-
-extern void line6_dump_finished(struct line6_dump_request *l6dr);
-extern int line6_dump_request_async(struct line6_dump_request *l6dr,
-                                   struct usb_line6 *line6, int num, int dest);
-extern void line6_dump_started(struct line6_dump_request *l6dr, int dest);
-extern void line6_dumpreq_destruct(struct line6_dump_request *l6dr);
-extern void line6_dumpreq_destructbuf(struct line6_dump_request *l6dr, int num);
-extern int line6_dumpreq_init(struct line6_dump_request *l6dr, const void *buf,
-                             size_t len);
-extern int line6_dumpreq_initbuf(struct line6_dump_request *l6dr,
-                                const void *buf, size_t len, int num);
-extern void line6_invalidate_current(struct line6_dump_request *l6dr);
-extern void line6_dump_wait(struct line6_dump_request *l6dr);
-extern int line6_dump_wait_interruptible(struct line6_dump_request *l6dr);
-extern int line6_dump_wait_timeout(struct line6_dump_request *l6dr,
-                                  long timeout);
-
-#endif