diff mbox

dmaengine: pxa_dma: remove unused function

Message ID 1475154561-12327-1-git-send-email-baoyou.xie@linaro.org
State New
Headers show

Commit Message

Baoyou Xie Sept. 29, 2016, 1:09 p.m. UTC 
We get 1 warning when building kernel with W=1:
drivers/dma/pxa_dma.c:1525:5: warning: no previous prototype for 'pxad_toggle_reserved_channel' [-Wmissing-prototypes]

In fact, this function is called by no one, so this patch removes it.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>

---
 drivers/dma/pxa_dma.c | 9 ---------
 1 file changed, 9 deletions(-)

-- 
2.7.4
diff mbox

Patch

diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c
index 3f56f9c..7d9b1cc 100644
--- a/drivers/dma/pxa_dma.c
+++ b/drivers/dma/pxa_dma.c
@@ -1522,15 +1522,6 @@  bool pxad_filter_fn(struct dma_chan *chan, void *param)
 }
 EXPORT_SYMBOL_GPL(pxad_filter_fn);
 
-int pxad_toggle_reserved_channel(int legacy_channel)
-{
-	if (legacy_unavailable & (BIT(legacy_channel)))
-		return -EBUSY;
-	legacy_reserved ^= BIT(legacy_channel);
-	return 0;
-}
-EXPORT_SYMBOL_GPL(pxad_toggle_reserved_channel);
-
 module_platform_driver(pxad_driver);
 
 MODULE_DESCRIPTION("Marvell PXA Peripheral DMA Driver");