diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/dmapool.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/base/dmapool.c b/drivers/base/dmapool.c index cd467c9f33b..9406259754a 100644 --- a/drivers/base/dmapool.c +++ b/drivers/base/dmapool.c @@ -37,7 +37,7 @@ struct dma_page { /* cacheable header for 'allocation' bytes */ #define POOL_TIMEOUT_JIFFIES ((100 /* msec */ * HZ) / 1000) -static DECLARE_MUTEX (pools_lock); +static DEFINE_MUTEX (pools_lock); static ssize_t show_pools (struct device *dev, struct device_attribute *attr, char *buf) @@ -55,7 +55,7 @@ show_pools (struct device *dev, struct device_attribute *attr, char *buf) size -= temp; next += temp; - down (&pools_lock); + mutex_lock(&pools_lock); list_for_each_entry(pool, &dev->dma_pools, pools) { unsigned pages = 0; unsigned blocks = 0; @@ -73,7 +73,7 @@ show_pools (struct device *dev, struct device_attribute *attr, char *buf) size -= temp; next += temp; } - up (&pools_lock); + mutex_unlock(&pools_lock); return PAGE_SIZE - size; } @@ -143,7 +143,7 @@ dma_pool_create (const char *name, struct device *dev, if (dev) { int ret; - down (&pools_lock); + mutex_lock(&pools_lock); if (list_empty (&dev->dma_pools)) ret = device_create_file (dev, &dev_attr_pools); else @@ -155,7 +155,7 @@ dma_pool_create (const char *name, struct device *dev, kfree(retval); retval = NULL; } - up (&pools_lock); + mutex_unlock(&pools_lock); } else INIT_LIST_HEAD (&retval->pools); @@ -231,11 +231,11 @@ pool_free_page (struct dma_pool *pool, struct dma_page *page) void dma_pool_destroy (struct dma_pool *pool) { - down (&pools_lock); + mutex_lock(&pools_lock); list_del (&pool->pools); if (pool->dev && list_empty (&pool->dev->dma_pools)) device_remove_file (pool->dev, &dev_attr_pools); - up (&pools_lock); + mutex_unlock(&pools_lock); while (!list_empty (&pool->page_list)) { struct dma_page *page; |