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[v2,12/22] drm/tegra: Probe dpaux devices on demand

Message ID 1438089593-7696-13-git-send-email-tomeu.vizoso@collabora.com (mailing list archive)
State New, archived
Headers show

Commit Message

Tomeu Vizoso July 28, 2015, 1:19 p.m. UTC 
When looking up a dpaux device through its firmware 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@collabora.com>
---

Changes in v2: None

 drivers/gpu/drm/tegra/dpaux.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c
index 07b26972f487..9a793158a571 100644
--- a/drivers/gpu/drm/tegra/dpaux.c
+++ b/drivers/gpu/drm/tegra/dpaux.c
@@ -394,6 +394,8 @@  struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np)
 {
 	struct tegra_dpaux *dpaux;
 
+	fwnode_ensure_device(&np->fwnode);
+
 	mutex_lock(&dpaux_lock);
 
 	list_for_each_entry(dpaux, &dpaux_list, list)