dmaengine: mmp_tdma: statify symbols

[cascardo/linux.git] / drivers / dma / mmp_tdma.c

diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c
index 3df0422..b3441f5 100644 (file)
--- a/drivers/dma/mmp_tdma.c
+++ b/drivers/dma/mmp_tdma.c
@@ -404,7 +404,7 @@ static void mmp_tdma_free_chan_resources(struct dma_chan *chan)
        return;
 }
 
-struct mmp_tdma_desc *mmp_tdma_alloc_descriptor(struct mmp_tdma_chan *tdmac)
+static struct mmp_tdma_desc *mmp_tdma_alloc_descriptor(struct mmp_tdma_chan *tdmac)
 {
        struct gen_pool *gpool;
        int size = tdmac->desc_num * sizeof(struct mmp_tdma_desc);
@@ -551,10 +551,9 @@ static int mmp_tdma_chan_init(struct mmp_tdma_device *tdev,
 
        /* alloc channel */
        tdmac = devm_kzalloc(tdev->dev, sizeof(*tdmac), GFP_KERNEL);
-       if (!tdmac) {
-               dev_err(tdev->dev, "no free memory for DMA channels!\n");
+       if (!tdmac)
                return -ENOMEM;
-       }
+
        if (irq)
                tdmac->irq = irq;
        tdmac->dev         = tdev->dev;
@@ -593,7 +592,7 @@ static bool mmp_tdma_filter_fn(struct dma_chan *chan, void *fn_param)
        return true;
 }
 
-struct dma_chan *mmp_tdma_xlate(struct of_phandle_args *dma_spec,
+static struct dma_chan *mmp_tdma_xlate(struct of_phandle_args *dma_spec,
                               struct of_dma *ofdma)
 {
        struct mmp_tdma_device *tdev = ofdma->of_dma_data;