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authorIvo van Doorn <IvDoorn@gmail.com>2010-11-06 10:48:05 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-11-15 13:26:32 -0500
commit813f0339dd739c48607f12dac79ec26c61874226 (patch)
treef758f461c71bdc176627af20692b9369ddb11f96 /drivers
parent821cde63b5bd04bc3ca0f95e2abf17b04e640488 (diff)
rt2x00: Rename queue->lock to queue->index_lock
The queue->lock is only used to protect the index numbers. Rename the lock accordingly. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00debug.c4
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.c18
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00queue.h4
3 files changed, 13 insertions, 13 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 8296a9d47bb..64dfb1f6823 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -342,7 +342,7 @@ static ssize_t rt2x00debug_read_queue_stats(struct file *file,
342 sprintf(data, "qid\tcount\tlimit\tlength\tindex\tdma done\tdone\n"); 342 sprintf(data, "qid\tcount\tlimit\tlength\tindex\tdma done\tdone\n");
343 343
344 queue_for_each(intf->rt2x00dev, queue) { 344 queue_for_each(intf->rt2x00dev, queue) {
345 spin_lock_irqsave(&queue->lock, irqflags); 345 spin_lock_irqsave(&queue->index_lock, irqflags);
346 346
347 temp += sprintf(temp, "%d\t%d\t%d\t%d\t%d\t%d\t%d\n", queue->qid, 347 temp += sprintf(temp, "%d\t%d\t%d\t%d\t%d\t%d\t%d\n", queue->qid,
348 queue->count, queue->limit, queue->length, 348 queue->count, queue->limit, queue->length,
@@ -350,7 +350,7 @@ static ssize_t rt2x00debug_read_queue_stats(struct file *file,
350 queue->index[Q_INDEX_DMA_DONE], 350 queue->index[Q_INDEX_DMA_DONE],
351 queue->index[Q_INDEX_DONE]); 351 queue->index[Q_INDEX_DONE]);
352 352
353 spin_unlock_irqrestore(&queue->lock, irqflags); 353 spin_unlock_irqrestore(&queue->index_lock, irqflags);
354 } 354 }
355 355
356 size = strlen(data); 356 size = strlen(data);
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 32d6a17d5aa..aa4c8f2dc7d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -641,10 +641,10 @@ void rt2x00queue_for_each_entry(struct data_queue *queue,
641 * it should not be kicked during this run, since it 641 * it should not be kicked during this run, since it
642 * is part of another TX operation. 642 * is part of another TX operation.
643 */ 643 */
644 spin_lock_irqsave(&queue->lock, irqflags); 644 spin_lock_irqsave(&queue->index_lock, irqflags);
645 index_start = queue->index[start]; 645 index_start = queue->index[start];
646 index_end = queue->index[end]; 646 index_end = queue->index[end];
647 spin_unlock_irqrestore(&queue->lock, irqflags); 647 spin_unlock_irqrestore(&queue->index_lock, irqflags);
648 648
649 /* 649 /*
650 * Start from the TX done pointer, this guarentees that we will 650 * Start from the TX done pointer, this guarentees that we will
@@ -698,11 +698,11 @@ struct queue_entry *rt2x00queue_get_entry(struct data_queue *queue,
698 return NULL; 698 return NULL;
699 } 699 }
700 700
701 spin_lock_irqsave(&queue->lock, irqflags); 701 spin_lock_irqsave(&queue->index_lock, irqflags);
702 702
703 entry = &queue->entries[queue->index[index]]; 703 entry = &queue->entries[queue->index[index]];
704 704
705 spin_unlock_irqrestore(&queue->lock, irqflags); 705 spin_unlock_irqrestore(&queue->index_lock, irqflags);
706 706
707 return entry; 707 return entry;
708} 708}
@@ -718,7 +718,7 @@ void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index)
718 return; 718 return;
719 } 719 }
720 720
721 spin_lock_irqsave(&queue->lock, irqflags); 721 spin_lock_irqsave(&queue->index_lock, irqflags);
722 722
723 queue->index[index]++; 723 queue->index[index]++;
724 if (queue->index[index] >= queue->limit) 724 if (queue->index[index] >= queue->limit)
@@ -733,7 +733,7 @@ void rt2x00queue_index_inc(struct data_queue *queue, enum queue_index index)
733 queue->count++; 733 queue->count++;
734 } 734 }
735 735
736 spin_unlock_irqrestore(&queue->lock, irqflags); 736 spin_unlock_irqrestore(&queue->index_lock, irqflags);
737} 737}
738 738
739static void rt2x00queue_reset(struct data_queue *queue) 739static void rt2x00queue_reset(struct data_queue *queue)
@@ -741,7 +741,7 @@ static void rt2x00queue_reset(struct data_queue *queue)
741 unsigned long irqflags; 741 unsigned long irqflags;
742 unsigned int i; 742 unsigned int i;
743 743
744 spin_lock_irqsave(&queue->lock, irqflags); 744 spin_lock_irqsave(&queue->index_lock, irqflags);
745 745
746 queue->count = 0; 746 queue->count = 0;
747 queue->length = 0; 747 queue->length = 0;
@@ -751,7 +751,7 @@ static void rt2x00queue_reset(struct data_queue *queue)
751 queue->last_action[i] = jiffies; 751 queue->last_action[i] = jiffies;
752 } 752 }
753 753
754 spin_unlock_irqrestore(&queue->lock, irqflags); 754 spin_unlock_irqrestore(&queue->index_lock, irqflags);
755} 755}
756 756
757void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev) 757void rt2x00queue_stop_queues(struct rt2x00_dev *rt2x00dev)
@@ -903,7 +903,7 @@ void rt2x00queue_uninitialize(struct rt2x00_dev *rt2x00dev)
903static void rt2x00queue_init(struct rt2x00_dev *rt2x00dev, 903static void rt2x00queue_init(struct rt2x00_dev *rt2x00dev,
904 struct data_queue *queue, enum data_queue_qid qid) 904 struct data_queue *queue, enum data_queue_qid qid)
905{ 905{
906 spin_lock_init(&queue->lock); 906 spin_lock_init(&queue->index_lock);
907 907
908 queue->rt2x00dev = rt2x00dev; 908 queue->rt2x00dev = rt2x00dev;
909 queue->qid = qid; 909 queue->qid = qid;
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h
index 64c00e2ab71..29b051ac640 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.h
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.h
@@ -398,7 +398,7 @@ enum queue_index {
398 * @entries: Base address of the &struct queue_entry which are 398 * @entries: Base address of the &struct queue_entry which are
399 * part of this queue. 399 * part of this queue.
400 * @qid: The queue identification, see &enum data_queue_qid. 400 * @qid: The queue identification, see &enum data_queue_qid.
401 * @lock: Spinlock to protect index handling. Whenever @index, @index_done or 401 * @index_lock: Spinlock to protect index handling. Whenever @index, @index_done or
402 * @index_crypt needs to be changed this lock should be grabbed to prevent 402 * @index_crypt needs to be changed this lock should be grabbed to prevent
403 * index corruption due to concurrency. 403 * index corruption due to concurrency.
404 * @count: Number of frames handled in the queue. 404 * @count: Number of frames handled in the queue.
@@ -422,7 +422,7 @@ struct data_queue {
422 422
423 enum data_queue_qid qid; 423 enum data_queue_qid qid;
424 424
425 spinlock_t lock; 425 spinlock_t index_lock;
426 unsigned int count; 426 unsigned int count;
427 unsigned short limit; 427 unsigned short limit;
428 unsigned short threshold; 428 unsigned short threshold;