diff options
Diffstat (limited to 'drivers/dma/mmp_tdma.c')
| -rw-r--r-- | drivers/dma/mmp_tdma.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/dma/mmp_tdma.c b/drivers/dma/mmp_tdma.c index 3df0422607d5..b3441f57a364 100644 --- 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; |