[PATCH v3 08/18] drm/tegra: Probe dpaux devices on demand

Tomeu Vizoso tomeu.vizoso at collabora.com
Thu Aug 6 07:11:45 PDT 2015

When looking up a dpaux device through its OF node, probe it if it
hasn't already.

The goal is to reduce deferred probes to a minimum, as it makes it very
cumbersome to find out why a device failed to probe, and can introduce
very big delays in when a critical device is probed.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso at collabora.com>

Changes in v3: None
Changes in v2: None

 drivers/gpu/drm/tegra/dpaux.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 07b26972f487..5a98acf07b2d 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -12,6 +12,7 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/of_gpio.h>
+#include <linux/of_platform.h>
 #include <linux/platform_device.h>
 #include <linux/reset.h>
 #include <linux/regulator/consumer.h>
@@ -394,6 +395,8 @@ struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np)
 	struct tegra_dpaux *dpaux;
+	of_platform_probe(np);
 	list_for_each_entry(dpaux, &dpaux_list, list)

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