diff options
Diffstat (limited to 'drivers/dma/dw_dmac.c')
| -rw-r--r-- | drivers/dma/dw_dmac.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c index d6dbb1428200..274fd7dd81f6 100644 --- a/drivers/dma/dw_dmac.c +++ b/drivers/dma/dw_dmac.c @@ -1242,18 +1242,20 @@ static void dwc_free_chan_resources(struct dma_chan *chan) dev_vdbg(chan2dev(chan), "%s: done\n", __func__); } -struct dw_dma_filter_args { +/*----------------------------------------------------------------------*/ + +struct dw_dma_of_filter_args { struct dw_dma *dw; unsigned int req; unsigned int src; unsigned int dst; }; -static bool dw_dma_generic_filter(struct dma_chan *chan, void *param) +static bool dw_dma_of_filter(struct dma_chan *chan, void *param) { struct dw_dma_chan *dwc = to_dw_dma_chan(chan); struct dw_dma *dw = to_dw_dma(chan->device); - struct dw_dma_filter_args *fargs = param; + struct dw_dma_of_filter_args *fargs = param; struct dw_dma_slave *dws = &dwc->slave; /* Ensure the device matches our channel */ @@ -1273,11 +1275,11 @@ static bool dw_dma_generic_filter(struct dma_chan *chan, void *param) return true; } -static struct dma_chan *dw_dma_xlate(struct of_phandle_args *dma_spec, - struct of_dma *ofdma) +static struct dma_chan *dw_dma_of_xlate(struct of_phandle_args *dma_spec, + struct of_dma *ofdma) { struct dw_dma *dw = ofdma->of_dma_data; - struct dw_dma_filter_args fargs = { + struct dw_dma_of_filter_args fargs = { .dw = dw, }; dma_cap_mask_t cap; @@ -1298,7 +1300,7 @@ static struct dma_chan *dw_dma_xlate(struct of_phandle_args *dma_spec, dma_cap_set(DMA_SLAVE, cap); /* TODO: there should be a simpler way to do this */ - return dma_request_channel(cap, dw_dma_generic_filter, &fargs); + return dma_request_channel(cap, dw_dma_of_filter, &fargs); } /* --------------------- Cyclic DMA API extensions -------------------- */ @@ -1843,7 +1845,7 @@ static int dw_probe(struct platform_device *pdev) if (pdev->dev.of_node) { err = of_dma_controller_register(pdev->dev.of_node, - dw_dma_xlate, dw); + dw_dma_of_xlate, dw); if (err && err != -ENODEV) dev_err(&pdev->dev, "could not register of_dma_controller\n"); @@ -1913,11 +1915,11 @@ static const struct dev_pm_ops dw_dev_pm_ops = { }; #ifdef CONFIG_OF -static const struct of_device_id dw_dma_id_table[] = { +static const struct of_device_id dw_dma_of_id_table[] = { { .compatible = "snps,dma-spear1340" }, {} }; -MODULE_DEVICE_TABLE(of, dw_dma_id_table); +MODULE_DEVICE_TABLE(of, dw_dma_of_id_table); #endif static const struct platform_device_id dw_dma_ids[] = { @@ -1933,7 +1935,7 @@ static struct platform_driver dw_driver = { .driver = { .name = "dw_dmac", .pm = &dw_dev_pm_ops, - .of_match_table = of_match_ptr(dw_dma_id_table), + .of_match_table = of_match_ptr(dw_dma_of_id_table), }, .id_table = dw_dma_ids, }; |