Thread (39 messages) 39 messages, 4 authors, 2015-08-09
STALE3964d
Revisions (6)
  1. v2 current
  2. v3 [diff vs current]
  3. v4 [diff vs current]
  4. v5 [diff vs current]
  5. v6 [diff vs current]
  6. v7 [diff vs current]

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

From: Tomeu Vizoso <hidden>
Date: 2015-07-28 13:21:02
Also in: dri-devel, linux-acpi, linux-arm-kernel, linux-tegra, lkml
Subsystem: drm drivers, drm drivers for nvidia tegra, the rest · Maintainers: David Airlie, Simona Vetter, Thierry Reding, Mikko Perttunen, Linus Torvalds

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 <redacted>
---

Changes in v2: None

 drivers/gpu/drm/tegra/dpaux.c | 2 ++
 1 file changed, 2 insertions(+)
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)
-- 
2.4.3

_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/dri-devel
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help