From mboxrd@z Thu Jan 1 00:00:00 1970 From: Markus Pargmann Subject: [PATCH] drm/tilcdc: Defer probe if no encoders/connectors found Date: Wed, 18 Dec 2013 14:56:01 +0100 Message-ID: <1387374961-11741-1-git-send-email-mpa@pengutronix.de> Return-path: Received: from metis.ext.pengutronix.de ([92.198.50.35]:49826 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753842Ab3LRN4N (ORCPT ); Wed, 18 Dec 2013 08:56:13 -0500 Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: David Airlie Cc: dri-devel@lists.freedesktop.org, linux-omap@vger.kernel.org, kernel@pengutronix.de, Markus Pargmann At the moment this driver fails to load if no encoders/connectors were found. In case other drivers that register encoders/connectors (tilcdc_panel) are defered it would be better to check for encoders/connectors later again. This patch replaces the returncode -ENXIO with -EPROBE_DEFER to get a working setup even if tilcdc_panel probes after tilcdc. Signed-off-by: Markus Pargmann --- drivers/gpu/drm/tilcdc/tilcdc_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index 116da19..217303c 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -84,7 +84,7 @@ static int modeset_init(struct drm_device *dev) if ((priv->num_encoders == 0) || (priv->num_connectors == 0)) { /* oh nos! */ dev_err(dev->dev, "no encoders/connectors found\n"); - return -ENXIO; + return -EPROBE_DEFER; } dev->mode_config.min_width = 0; -- 1.8.5.1