From mboxrd@z Thu Jan 1 00:00:00 1970 From: hs@denx.de (Heiko Schocher) Date: Thu, 13 Feb 2014 14:47:38 +0100 Subject: [PATCH] gpu:drm:tilcdc: backlight node never found Message-ID: <1392299258-16968-1-git-send-email-hs@denx.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org In panel_probe() the backlight node is never found, correct this. Signed-off-by: Heiko Schocher Cc: Anatolij Gustschin Cc: Benoit Parrot Cc: Rob Clark Cc: David Airlie Cc: Grant Likely Cc: Rob Herring Cc: Tomi Valkeinen Cc: Sachin Kamat Cc: dri-devel at lists.freedesktop.org Cc: linux-kernel at vger.kernel.org Cc: devicetree at vger.kernel.org --- drivers/gpu/drm/tilcdc/tilcdc_panel.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c index 86c6732..0b97cf4 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c @@ -356,6 +356,7 @@ static struct of_device_id panel_of_match[]; static int panel_probe(struct platform_device *pdev) { struct device_node *node = pdev->dev.of_node; + struct device_node *backlight_node; struct panel_module *panel_mod; struct tilcdc_module *mod; struct pinctrl *pinctrl; @@ -395,9 +396,15 @@ static int panel_probe(struct platform_device *pdev) mod->preferred_bpp = panel_mod->info->bpp; - panel_mod->backlight = of_find_backlight_by_node(node); - if (panel_mod->backlight) - dev_info(&pdev->dev, "found backlight\n"); + backlight_node = of_parse_phandle(pdev->dev.of_node, "backlight", 0); + if (backlight_node) { + panel_mod->backlight = + of_find_backlight_by_node(backlight_node); + if (panel_mod->backlight) + dev_info(&pdev->dev, "found backlight\n"); + } else { + dev_warn(&pdev->dev, "backlight node missing...\n"); + } return 0; -- 1.8.3.1