From 3216a97bb0d5166ec5795aa3db1c3a02415ac060 Mon Sep 17 00:00:00 2001 From: Russell King Date: Thu, 25 Sep 2008 22:23:31 +0100 Subject: [ARM] dma: coding style cleanups Signed-off-by: Russell King --- arch/arm/common/dmabounce.c | 48 +++++++++++++++------------------------------ 1 file changed, 16 insertions(+), 32 deletions(-) (limited to 'arch/arm/common/dmabounce.c') diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index d4b0c608fdee..22aec95c9863 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -154,9 +154,7 @@ alloc_safe_buffer(struct dmabounce_device_info *device_info, void *ptr, #endif write_lock_irqsave(&device_info->lock, flags); - list_add(&buf->node, &device_info->safe_buffers); - write_unlock_irqrestore(&device_info->lock, flags); return buf; @@ -220,8 +218,7 @@ static struct safe_buffer *find_safe_buffer_dev(struct device *dev, return find_safe_buffer(dev->archdata.dmabounce, dma_addr); } -static inline dma_addr_t -map_single(struct device *dev, void *ptr, size_t size, +static inline dma_addr_t map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction dir) { struct dmabounce_device_info *device_info = dev->archdata.dmabounce; @@ -285,9 +282,8 @@ map_single(struct device *dev, void *ptr, size_t size, return dma_addr; } -static inline void -unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction dir) +static inline void unmap_single(struct device *dev, dma_addr_t dma_addr, + size_t size, enum dma_data_direction dir) { struct safe_buffer *buf = find_safe_buffer_dev(dev, dma_addr, "unmap"); @@ -332,25 +328,20 @@ unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, * substitute the safe buffer for the unsafe one. * (basically move the buffer from an unsafe area to a safe one) */ -dma_addr_t -dma_map_single(struct device *dev, void *ptr, size_t size, +dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size, enum dma_data_direction dir) { - dma_addr_t dma_addr; - dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n", __func__, ptr, size, dir); BUG_ON(dir == DMA_NONE); - dma_addr = map_single(dev, ptr, size, dir); - - return dma_addr; + return map_single(dev, ptr, size, dir); } +EXPORT_SYMBOL(dma_map_single); dma_addr_t dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction dir) + unsigned long offset, size_t size, enum dma_data_direction dir) { dev_dbg(dev, "%s(page=%p,off=%#lx,size=%zx,dir=%x)\n", __func__, page, offset, size, dir); @@ -368,9 +359,8 @@ EXPORT_SYMBOL(dma_map_page); * should be) */ -void -dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction dir) +void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, + enum dma_data_direction dir) { dev_dbg(dev, "%s(ptr=%p,size=%d,dir=%x)\n", __func__, (void *) dma_addr, size, dir); @@ -379,6 +369,7 @@ dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, unmap_single(dev, dma_addr, size, dir); } +EXPORT_SYMBOL(dma_unmap_single); int dmabounce_sync_for_cpu(struct device *dev, dma_addr_t addr, unsigned long off, size_t sz, enum dma_data_direction dir) @@ -434,9 +425,8 @@ int dmabounce_sync_for_device(struct device *dev, dma_addr_t addr, } EXPORT_SYMBOL(dmabounce_sync_for_device); -static int -dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev, const char *name, - unsigned long size) +static int dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev, + const char *name, unsigned long size) { pool->size = size; DO_STATS(pool->allocs = 0); @@ -447,9 +437,8 @@ dmabounce_init_pool(struct dmabounce_pool *pool, struct device *dev, const char return pool->pool ? 0 : -ENOMEM; } -int -dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size, - unsigned long large_buffer_size) +int dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size, + unsigned long large_buffer_size) { struct dmabounce_device_info *device_info; int ret; @@ -505,9 +494,9 @@ dmabounce_register_dev(struct device *dev, unsigned long small_buffer_size, kfree(device_info); return ret; } +EXPORT_SYMBOL(dmabounce_register_dev); -void -dmabounce_unregister_dev(struct device *dev) +void dmabounce_unregister_dev(struct device *dev) { struct dmabounce_device_info *device_info = dev->archdata.dmabounce; @@ -540,11 +529,6 @@ dmabounce_unregister_dev(struct device *dev) dev_info(dev, "dmabounce: device unregistered\n"); } - - -EXPORT_SYMBOL(dma_map_single); -EXPORT_SYMBOL(dma_unmap_single); -EXPORT_SYMBOL(dmabounce_register_dev); EXPORT_SYMBOL(dmabounce_unregister_dev); MODULE_AUTHOR("Christopher Hoover , Deepak Saxena "); -- cgit v1.2.3