diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0449-gpu-drm-vc4_hdmi-add-missing-of_node_put-after-calli.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0449-gpu-drm-vc4_hdmi-add-missing-of_node_put-after-calli.patch | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0449-gpu-drm-vc4_hdmi-add-missing-of_node_put-after-calli.patch b/target/linux/brcm2708/patches-4.4/0449-gpu-drm-vc4_hdmi-add-missing-of_node_put-after-calli.patch new file mode 100644 index 0000000000..75bc32dc19 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0449-gpu-drm-vc4_hdmi-add-missing-of_node_put-after-calli.patch @@ -0,0 +1,46 @@ +From cededb2870ab15fcf79f063a83f5f37421e5bdfc 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; |