-
/*
- * struct flchip definition
+ * Copyright © 2000 Red Hat UK Limited
+ * Copyright © 2000-2010 David Woodhouse <dwmw2@infradead.org>
+ *
+ * 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; 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.
*
- * Contains information about the location and state of a given flash device
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
- * (C) 2000 Red Hat. GPLd.
*/
#ifndef __MTD_FLASHCHIP_H__
* has asm/spinlock.h, or 2.4, which has linux/spinlock.h
*/
#include <linux/sched.h>
+#include <linux/mutex.h>
typedef enum {
FL_READY,
unsigned int erase_suspended:1;
unsigned long in_progress_block_addr;
- spinlock_t *mutex;
- spinlock_t _spinlock; /* We do it like this because sometimes they'll be shared. */
+ struct mutex mutex;
wait_queue_head_t wq; /* Wait on here when we're waiting for the chip
to be ready */
int word_write_time;
/* This is used to handle contention on write/erase operations
between partitions of the same physical chip. */
struct flchip_shared {
- spinlock_t lock;
+ struct mutex lock;
struct flchip *writing;
struct flchip *erasing;
};