1 files changed, 0 insertions, 136 deletions
diff --git a/drivers/staging/meilhaus/meslock.c b/drivers/staging/meilhaus/meslock.c
deleted file mode 100644
index abcdb4a2eba6..000000000000
--- a/drivers/staging/meilhaus/meslock.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/**
- * @file meslock.c
- *
- * @brief Implements the subdevice lock class.
- * @note Copyright (C) 2006 Meilhaus Electronic GmbH (support@meilhaus.de)
- * @author Guenter Gebhardt
- */
-
-/*
- * Copyright (C) 2006 Meilhaus Electronic GmbH (support@meilhaus.de)
- *
- * This file 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/spinlock.h>
-
-#include "medefines.h"
-#include "meerror.h"
-
-#include "medebug.h"
-#include "meslock.h"
-
-int me_slock_enter(struct me_slock *slock, struct file *filep)
-{
-	PDEBUG_LOCKS("executed.\n");
-
-	spin_lock(&slock->spin_lock);
-
-	if ((slock->filep) != NULL && (slock->filep != filep)) {
-		PERROR("Subdevice is locked by another process.\n");
-		spin_unlock(&slock->spin_lock);
-		return ME_ERRNO_LOCKED;
-	}
-
-	slock->count++;
-
-	spin_unlock(&slock->spin_lock);
-
-	return ME_ERRNO_SUCCESS;
-}
-
-int me_slock_exit(struct me_slock *slock, struct file *filep)
-{
-	PDEBUG_LOCKS("executed.\n");
-
-	spin_lock(&slock->spin_lock);
-	slock->count--;
-	spin_unlock(&slock->spin_lock);
-
-	return ME_ERRNO_SUCCESS;
-}
-
-int me_slock_lock(struct me_slock *slock, struct file *filep, int lock)
-{
-	PDEBUG_LOCKS("executed.\n");
-
-	switch (lock) {
-
-	case ME_LOCK_RELEASE:
-		spin_lock(&slock->spin_lock);
-
-		if (slock->filep == filep)
-			slock->filep = NULL;
-
-		spin_unlock(&slock->spin_lock);
-
-		break;
-
-	case ME_LOCK_SET:
-		spin_lock(&slock->spin_lock);
-
-		if (slock->count) {
-			spin_unlock(&slock->spin_lock);
-			PERROR("Subdevice is used by another process.\n");
-			return ME_ERRNO_USED;
-		} else if (slock->filep == NULL)
-			slock->filep = filep;
-		else if (slock->filep != filep) {
-			spin_unlock(&slock->spin_lock);
-			PERROR("Subdevice is locked by another process.\n");
-			return ME_ERRNO_LOCKED;
-		}
-
-		spin_unlock(&slock->spin_lock);
-
-		break;
-
-	case ME_LOCK_CHECK:
-		spin_lock(&slock->spin_lock);
-
-		if (slock->count) {
-			spin_unlock(&slock->spin_lock);
-			return ME_ERRNO_USED;
-		} else if ((slock->filep != NULL) && (slock->filep != filep)) {
-			spin_unlock(&slock->spin_lock);
-			return ME_ERRNO_LOCKED;
-		}
-
-		spin_unlock(&slock->spin_lock);
-
-		break;
-
-	default:
-		break;
-	}
-
-	return ME_ERRNO_SUCCESS;
-}
-
-void me_slock_deinit(struct me_slock *slock)
-{
-	PDEBUG_LOCKS("executed.\n");
-}
-
-int me_slock_init(me_slock_t *slock)
-{
-	PDEBUG_LOCKS("executed.\n");
-
-	slock->filep = NULL;
-	slock->count = 0;
-	spin_lock_init(&slock->spin_lock);
-
-	return 0;
-}