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SubjectRe: [PATCH] saa7134-core.c: fix warning
On Wed, 6 Aug 2008 01:31:11 +0400 Alexander Beregalov <a.beregalov@gmail.com> wrote:

> From: Alexander Beregalov <a.beregalov@gmail.com>
>
> saa7134-core.c: fix warning
>
> drivers/media/video/saa7134/saa7134-core.c:366: warning:
> 'saa7134_buffer_requeue' defined but not used
>
> Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
> ---
>
> drivers/media/video/saa7134/saa7134-core.c | 4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
> index 75d6184..0473a79 100644
> --- a/drivers/media/video/saa7134/saa7134-core.c
> +++ b/drivers/media/video/saa7134/saa7134-core.c
> @@ -360,7 +360,7 @@ void saa7134_buffer_timeout(unsigned long data)
> }
>
> /* resends a current buffer in queue after resume */
> -
> +#ifdef CONFIG_PM
> static int saa7134_buffer_requeue(struct saa7134_dev *dev,
> struct saa7134_dmaqueue *q)
> {
> @@ -384,7 +384,7 @@ static int saa7134_buffer_requeue(struct saa7134_dev *dev,
>
> return 0;
> }
> -
> +#endif

I changed it as below - we might as well save an ifdef block.

--- a/drivers/media/video/saa7134/saa7134-core.c~saa7134-corec-fix-warning
+++ a/drivers/media/video/saa7134/saa7134-core.c
@@ -359,32 +359,6 @@ void saa7134_buffer_timeout(unsigned lon
spin_unlock_irqrestore(&dev->slock,flags);
}

-/* resends a current buffer in queue after resume */
-
-static int saa7134_buffer_requeue(struct saa7134_dev *dev,
- struct saa7134_dmaqueue *q)
-{
- struct saa7134_buf *buf, *next;
-
- assert_spin_locked(&dev->slock);
-
- buf = q->curr;
- next = buf;
- dprintk("buffer_requeue\n");
-
- if (!buf)
- return 0;
-
- dprintk("buffer_requeue : resending active buffers \n");
-
- if (!list_empty(&q->queue))
- next = list_entry(q->queue.next, struct saa7134_buf,
- vb.queue);
- buf->activate(dev, buf, next);
-
- return 0;
-}
-
/* ------------------------------------------------------------------ */

int saa7134_set_dmabits(struct saa7134_dev *dev)
@@ -1139,6 +1113,32 @@ static void __devexit saa7134_finidev(st
}

#ifdef CONFIG_PM
+
+/* resends a current buffer in queue after resume */
+static int saa7134_buffer_requeue(struct saa7134_dev *dev,
+ struct saa7134_dmaqueue *q)
+{
+ struct saa7134_buf *buf, *next;
+
+ assert_spin_locked(&dev->slock);
+
+ buf = q->curr;
+ next = buf;
+ dprintk("buffer_requeue\n");
+
+ if (!buf)
+ return 0;
+
+ dprintk("buffer_requeue : resending active buffers \n");
+
+ if (!list_empty(&q->queue))
+ next = list_entry(q->queue.next, struct saa7134_buf,
+ vb.queue);
+ buf->activate(dev, buf, next);
+
+ return 0;
+}
+
static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
{

_


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