From mboxrd@z Thu Jan 1 00:00:00 1970 From: vinod.koul@intel.com (Vinod Koul) Date: Wed, 3 Jan 2018 09:29:18 +0530 Subject: [LINUX PATCH 3/4] dmaengine: xilinx_dma: Fix compilation warning In-Reply-To: <1513851098-15787-4-git-send-email-appanad@xilinx.com> References: <1513851098-15787-1-git-send-email-appanad@xilinx.com> <1513851098-15787-4-git-send-email-appanad@xilinx.com> Message-ID: <20180103035918.GH18649@localhost> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Dec 21, 2017 at 03:41:37PM +0530, Kedareswara rao Appana wrote: Fix title here too BTW whats with LINUX tag in patches, pls drop them > This patch fixes the below sparse warning in the driver > drivers/dma/xilinx/xilinx_dma.c: In function ?xilinx_vdma_dma_prep_interleaved?: > drivers/dma/xilinx/xilinx_dma.c:1614:43: warning: variable ?prev? set but not used [-Wunused-but-set-variable] > struct xilinx_vdma_tx_segment *segment, *prev = NULL; > > Signed-off-by: Kedareswara rao Appana > --- > drivers/dma/xilinx/xilinx_dma.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c > index 8467671..845e638 100644 > --- a/drivers/dma/xilinx/xilinx_dma.c > +++ b/drivers/dma/xilinx/xilinx_dma.c > @@ -1611,7 +1611,7 @@ xilinx_vdma_dma_prep_interleaved(struct dma_chan *dchan, > { > struct xilinx_dma_chan *chan = to_xilinx_chan(dchan); > struct xilinx_dma_tx_descriptor *desc; > - struct xilinx_vdma_tx_segment *segment, *prev = NULL; > + struct xilinx_vdma_tx_segment *segment; > struct xilinx_vdma_desc_hw *hw; > > if (!is_slave_direction(xt->dir)) > @@ -1665,8 +1665,6 @@ xilinx_vdma_dma_prep_interleaved(struct dma_chan *dchan, > /* Insert the segment into the descriptor segments list. */ > list_add_tail(&segment->node, &desc->segments); > > - prev = segment; > - > /* Link the last hardware descriptor with the first. */ > segment = list_first_entry(&desc->segments, > struct xilinx_vdma_tx_segment, node); > -- > 2.7.4 > -- ~Vinod