From: Stefan Hajnoczi Date: Thu, 22 Nov 2012 19:49:25 +0000 (+0100) Subject: staging: line6: drop unused dumprequest code X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=64bce09563a2a4b7614583f14a7ee55b0e083949;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git 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 Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/line6/Makefile b/drivers/staging/line6/Makefile index 44ee5ae95f1..ae5c374b0f8 100644 --- 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 index 60c7bae3ad3..00000000000 --- 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 - -#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 index c17a262fad2..00000000000 --- 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 -#include -#include - -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