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Ip=[192.88.158.2]; Helo=[az84smr01.freescale.net] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLUPR03MB248 X-Mailman-Approved-At: Tue, 05 Jul 2016 07:55:49 +0000 Cc: Peter Chen , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP of_node_put needs to be called when the device node which is got from of_parse_phandle has finished using. Cc: Eric Anholt Signed-off-by: Peter Chen Reviewed-by: Eric Anholt --- drivers/gpu/drm/vc4/vc4_hdmi.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index fd2644d..26b6b06 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -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;