[PATCH -next] dma: ipu: fix doc warning in ipu_irq.c

[Yang Yingliang]

Fix the following make W=1 warning:

  drivers/dma/ipu/ipu_irq.c:238: warning: expecting prototype for ipu_irq_map(). Prototype was for ipu_irq_unmap() instead

Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
 drivers/dma/ipu/ipu_irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c
index 0d5c42f7bfa4..dc44294b79b5 100644
--- a/drivers/dma/ipu/ipu_irq.c
+++ b/drivers/dma/ipu/ipu_irq.c
@@ -230,7 +230,7 @@ int ipu_irq_map(unsigned int source)
 }
 
 /**
- * ipu_irq_map() - map an IPU interrupt source to an IRQ number
+ * ipu_irq_unmap() - map an IPU interrupt source to an IRQ number
  * @source:	interrupt source bit position (see ipu_irq_map())
  * @return:	0 or negative error code
  */
-- 
2.25.1