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Diffstat (limited to 'arch/blackfin/kernel/bfin_dma_5xx.c')
-rw-r--r--arch/blackfin/kernel/bfin_dma_5xx.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index 924c00286ba..26403d1c9e6 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -91,7 +91,7 @@ late_initcall(proc_dma_init);
91 */ 91 */
92int request_dma(unsigned int channel, const char *device_id) 92int request_dma(unsigned int channel, const char *device_id)
93{ 93{
94 pr_debug("request_dma() : BEGIN \n"); 94 pr_debug("request_dma() : BEGIN\n");
95 95
96 if (device_id == NULL) 96 if (device_id == NULL)
97 printk(KERN_WARNING "request_dma(%u): no device_id given\n", channel); 97 printk(KERN_WARNING "request_dma(%u): no device_id given\n", channel);
@@ -107,7 +107,7 @@ int request_dma(unsigned int channel, const char *device_id)
107#endif 107#endif
108 108
109 if (atomic_cmpxchg(&dma_ch[channel].chan_status, 0, 1)) { 109 if (atomic_cmpxchg(&dma_ch[channel].chan_status, 0, 1)) {
110 pr_debug("DMA CHANNEL IN USE \n"); 110 pr_debug("DMA CHANNEL IN USE\n");
111 return -EBUSY; 111 return -EBUSY;
112 } 112 }
113 113
@@ -131,7 +131,7 @@ int request_dma(unsigned int channel, const char *device_id)
131 * you have to request DMA, before doing any operations on 131 * you have to request DMA, before doing any operations on
132 * descriptor/channel 132 * descriptor/channel
133 */ 133 */
134 pr_debug("request_dma() : END \n"); 134 pr_debug("request_dma() : END\n");
135 return 0; 135 return 0;
136} 136}
137EXPORT_SYMBOL(request_dma); 137EXPORT_SYMBOL(request_dma);
@@ -171,7 +171,7 @@ static void clear_dma_buffer(unsigned int channel)
171 171
172void free_dma(unsigned int channel) 172void free_dma(unsigned int channel)
173{ 173{
174 pr_debug("freedma() : BEGIN \n"); 174 pr_debug("freedma() : BEGIN\n");
175 BUG_ON(channel >= MAX_DMA_CHANNELS || 175 BUG_ON(channel >= MAX_DMA_CHANNELS ||
176 !atomic_read(&dma_ch[channel].chan_status)); 176 !atomic_read(&dma_ch[channel].chan_status));
177 177
@@ -185,7 +185,7 @@ void free_dma(unsigned int channel)
185 /* Clear the DMA Variable in the Channel */ 185 /* Clear the DMA Variable in the Channel */
186 atomic_set(&dma_ch[channel].chan_status, 0); 186 atomic_set(&dma_ch[channel].chan_status, 0);
187 187
188 pr_debug("freedma() : END \n"); 188 pr_debug("freedma() : END\n");
189} 189}
190EXPORT_SYMBOL(free_dma); 190EXPORT_SYMBOL(free_dma);
191 191