dmaengine: nbpfaxi: Use of_device_get_match_data() helper

Use the of_device_get_match_data() helper instead of open coding.
Note that when used with DT, there's always a valid match.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index d3f918a9ee7627aeadfc8233f92695c924d5b071..50559338239b6ec586e1366314bac315c7cf3269 100644 (file)
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c
@@ -1286,7 +1286,6 @@ MODULE_DEVICE_TABLE(of, nbpf_match);
 static int nbpf_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
-       const struct of_device_id *of_id = of_match_device(nbpf_match, dev);
        struct device_node *np = dev->of_node;
        struct nbpf_device *nbpf;
        struct dma_device *dma_dev;
@@ -1300,10 +1299,10 @@ static int nbpf_probe(struct platform_device *pdev)
        BUILD_BUG_ON(sizeof(struct nbpf_desc_page) > PAGE_SIZE);
 
        /* DT only */
-       if (!np || !of_id || !of_id->data)
+       if (!np)
                return -ENODEV;
 
-       cfg = of_id->data;
+       cfg = of_device_get_match_data(dev);
        num_channels = cfg->num_channels;
 
        nbpf = devm_kzalloc(dev, sizeof(*nbpf) + num_channels *