*
* (C) 2000 Red Hat. GPL'd
*
- * $Id: cfi_cmdset_0001.c,v 1.185 2005/11/07 11:14:22 gleixner Exp $
+ * $Id: cfi_cmdset_0001.c,v 1.186 2005/11/23 22:07:52 nico Exp $
*
*
* 10/10/2000 Nicolas Pitre <nico@cam.org>
cfi->chips[i].buffer_write_time = 1<<cfi->cfiq->BufWriteTimeoutTyp;
cfi->chips[i].erase_time = 1<<cfi->cfiq->BlockEraseTimeoutTyp;
cfi->chips[i].ref_point_counter = 0;
+ init_waitqueue_head(&(cfi->chips[i].wq));
}
map->fldrv = &cfi_intelext_chipdrv;
*
* - contension arbitration is handled in the owner's context.
*
- * The 'shared' struct can be read when its lock is taken.
- * However any writes to it can only be made when the current
- * owner's lock is also held.
+ * The 'shared' struct can be read and/or written only when
+ * its lock is taken.
*/
struct flchip_shared *shared = chip->priv;
struct flchip *contender;
}
timeo = jiffies + HZ;
spin_lock(&shared->lock);
+ spin_unlock(contender->mutex);
}
/* We now own it */
shared->writing = chip;
if (mode == FL_ERASING)
shared->erasing = chip;
- if (contender && contender != chip)
- spin_unlock(contender->mutex);
spin_unlock(&shared->lock);
}
#define XIP_INVAL_CACHED_RANGE(map, from, size) \
INVALIDATE_CACHED_RANGE(map, from, size)
-#define INVALIDATE_CACHE_UDELAY(map, chip, adr, len, usec) \
- UDELAY(map, chip, adr, usec)
+#define INVALIDATE_CACHE_UDELAY(map, chip, cmd_adr, adr, len, usec) \
+ UDELAY(map, chip, cmd_adr, usec)
/*
* Extra notes:
spin_lock(chip->mutex); \
} while (0)
-#define INVALIDATE_CACHE_UDELAY(map, chip, adr, len, usec) \
+#define INVALIDATE_CACHE_UDELAY(map, chip, cmd_adr, adr, len, usec) \
do { \
spin_unlock(chip->mutex); \
INVALIDATE_CACHED_RANGE(map, adr, len); \
map_write(map, datum, adr);
chip->state = mode;
- INVALIDATE_CACHE_UDELAY(map, chip,
+ INVALIDATE_CACHE_UDELAY(map, chip, adr,
adr, map_bankwidth(map),
chip->word_write_time);
map_write(map, CMD(0xd0), cmd_adr);
chip->state = FL_WRITING;
- INVALIDATE_CACHE_UDELAY(map, chip,
- cmd_adr, len,
+ INVALIDATE_CACHE_UDELAY(map, chip, cmd_adr,
+ adr, len,
chip->buffer_write_time);
timeo = jiffies + (HZ/2);
chip->state = FL_ERASING;
chip->erase_suspended = 0;
- INVALIDATE_CACHE_UDELAY(map, chip,
+ INVALIDATE_CACHE_UDELAY(map, chip, adr,
adr, len,
chip->erase_time*1000/2);