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gpu: drm: vc4_hdmi: add missing of_node_put after calling of_parse_phandle

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of_node_put needs to be called when the device node which is got
from of_parse_phandle has finished using.

Signed-off-by: Peter Chen <peter.chen@nxp.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Peter Chen 2016-07-05 10:04:54 +08:00 committed by Eric Anholt
parent 93977767f0
commit 027a697677
1 changed files with 7 additions and 6 deletions
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13
drivers/gpu/drm/vc4/vc4_hdmi.c
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@ -465,12 +465,6 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
if (IS_ERR(hdmi->hd_regs))
return PTR_ERR(hdmi->hd_regs);
ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
if (!ddc_node) {
DRM_ERROR("Failed to find ddc node in device tree\n");
return -ENODEV;
}
hdmi->pixel_clock = devm_clk_get(dev, "pixel");
if (IS_ERR(hdmi->pixel_clock)) {
DRM_ERROR("Failed to get pixel clock\n");
@ -482,7 +476,14 @@ static int vc4_hdmi_bind(struct device *dev, struct device *master, void *data)
return PTR_ERR(hdmi->hsm_clock);
}
ddc_node = of_parse_phandle(dev->of_node, "ddc", 0);
if (!ddc_node) {
DRM_ERROR("Failed to find ddc node in device tree\n");
return -ENODEV;
}
hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node);
of_node_put(ddc_node);
if (!hdmi->ddc) {
DRM_DEBUG("Failed to get ddc i2c adapter by node\n");
return -EPROBE_DEFER;