dab5a44067
n As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
46 lines
1.5 KiB
Diff
46 lines
1.5 KiB
Diff
From e190604e4821a0b9cceebb53b21d890a84cdccbf Mon Sep 17 00:00:00 2001
|
|
From: Peter Chen <peter.chen@nxp.com>
|
|
Date: Tue, 5 Jul 2016 10:04:54 +0800
|
|
Subject: [PATCH] gpu: drm: vc4_hdmi: add missing of_node_put after calling
|
|
of_parse_phandle
|
|
|
|
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>
|
|
(cherry picked from commit 027a697677b0d5ff211773596d96f84078ceda80)
|
|
---
|
|
drivers/gpu/drm/vc4/vc4_hdmi.c | 13 +++++++------
|
|
1 file changed, 7 insertions(+), 6 deletions(-)
|
|
|
|
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
|
|
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
|
|
@@ -467,12 +467,6 @@ static int vc4_hdmi_bind(struct device *
|
|
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");
|
|
@@ -484,7 +478,14 @@ static int vc4_hdmi_bind(struct device *
|
|
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;
|