From 3c20ba5fb5b9e3d5e266bfab316ee10b77da88e0 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 13 Jan 2015 14:31:46 +0100 Subject: [PATCH] dmaengine: mmp-tdma: fix terminate_all return code In a recent cleanup, the mmp_tdma_terminate_all function was introduced but does not set a proper return value. Almost no slave driver uses that return value, but if one does, the result will be undefined, which the compiler warns about: dma/mmp_tdma.c: In function 'mmp_tdma_terminate_all': dma/mmp_tdma.c:474:1: warning: no return statement in function returning non-void [-Wreturn-type] This changes the driver to return zero, like most other drivers do. Signed-off-by: Arnd Bergmann Fixes: f43a6fd400ba6 ("dmaengine: mmp-tdma: Split device_control") Signed-off-by: Vinod Koul --- drivers/dma/mmp_tdma.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 91fb241102f7..70c2fa9963cd 100644 --- a/drivers/dma/mmp_tdma.c +++ b/drivers/dma/mmp_tdma.c @@ -471,6 +471,8 @@ static int mmp_tdma_terminate_all(struct dma_chan *chan) mmp_tdma_disable_chan(chan); /* disable interrupt */ mmp_tdma_enable_irq(tdmac, false); + + return 0; } static int mmp_tdma_config(struct dma_chan *chan, -- 2.20.1