[PATCH 3/4] gpu: drm: exynos_hdmi: Use consolidated function on binding DDC DT property

[Milo Kim]

Handle legacy and raw 'ddc' parsing in single function.
And it also removes goto condition.

Cc: Inki Dae <inki....@samsung.com>
Cc: Joonyoung Shim <jy0922.s...@samsung.com>
Cc: Seung-Woo Kim <sw0312....@samsung.com>
Cc: Rob Herring <robh...@kernel.org>
Cc: devicet...@vger.kernel.org
Cc: linux-arm-ker...@lists.infradead.org
Cc: linux-samsung-...@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: dri-de...@lists.freedesktop.org
Signed-off-by: Milo Kim <woogyom....@gmail.com>
---
 drivers/gpu/drm/exynos/exynos_hdmi.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c 
b/drivers/gpu/drm/exynos/exynos_hdmi.c
index 2275efe..6a636f2 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -1760,7 +1760,7 @@ static const struct component_ops hdmi_component_ops = {
        .unbind = hdmi_unbind,
 };
 
-static struct device_node *hdmi_legacy_ddc_dt_binding(struct device *dev)
+static struct device_node *hdmi_ddc_dt_binding(struct device *dev)
 {
        const char *compatible_str = "samsung,exynos4210-hdmiddc";
        struct device_node *np;
@@ -1769,7 +1769,13 @@ static struct device_node 
*hdmi_legacy_ddc_dt_binding(struct device *dev)
        if (np)
                return of_get_next_parent(np);
 
-       return NULL;
+       np = of_parse_phandle(dev->of_node, "ddc", 0);
+       if (!np)
+               return NULL;
+
+       of_node_put(dev->of_node);
+
+       return np;
 }
 
 static struct device_node *hdmi_legacy_phy_dt_binding(struct device *dev)
@@ -1811,18 +1817,12 @@ static int hdmi_probe(struct platform_device *pdev)
                return ret;
        }
 
-       ddc_node = hdmi_legacy_ddc_dt_binding(dev);
-       if (ddc_node)
-               goto out_get_ddc_adpt;
-
-       ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
+       ddc_node = hdmi_ddc_dt_binding(dev);
        if (!ddc_node) {
                DRM_ERROR("Failed to find ddc node in device tree\n");
                return -ENODEV;
        }
-       of_node_put(dev->of_node);
 
-out_get_ddc_adpt:
        hdata->ddc_adpt = of_find_i2c_adapter_by_node(ddc_node);
        if (!hdata->ddc_adpt) {
                DRM_ERROR("Failed to get ddc i2c adapter by node\n");
-- 
1.9.1