drm/tegra: dc: Use of_device_get_match_data()

Avoid some boilerplate by calling of_device_get_match_data() instead of
open-coding the equivalent in the driver.

Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index bc51eb8..2b5e052 100644 (file)
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -10,6 +10,7 @@
 #include <linux/clk.h>
 #include <linux/debugfs.h>
 #include <linux/iommu.h>
+#include <linux/of_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/reset.h>
 
@@ -1985,7 +1986,6 @@ static int tegra_dc_parse_dt(struct tegra_dc *dc)
 
 static int tegra_dc_probe(struct platform_device *pdev)
 {
-       const struct of_device_id *id;
        struct resource *regs;
        struct tegra_dc *dc;
        int err;
@@ -1994,14 +1994,11 @@ static int tegra_dc_probe(struct platform_device *pdev)
        if (!dc)
                return -ENOMEM;
 
-       id = of_match_node(tegra_dc_of_match, pdev->dev.of_node);
-       if (!id)
-               return -ENODEV;
+       dc->soc = of_device_get_match_data(&pdev->dev);
 
        spin_lock_init(&dc->lock);
        INIT_LIST_HEAD(&dc->list);
        dc->dev = &pdev->dev;
-       dc->soc = id->data;
 
        err = tegra_dc_parse_dt(dc);
        if (err < 0)