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-rw-r--r--drivers/dma/dw_dmac.c24
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,
};