From: Philipp Zabel
Date: Thu, 18 Jul 2013 11:55:22 +0000 (+0200)
Subject: reset: allow drivers to request probe deferral
X-Git-Tag: firefly_0821_release~176^2~4130^2~1^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3d10302048ab672d1e8993b8a5b50d9e35881853;p=firefly-linux-kernel-4.4.55.git
reset: allow drivers to request probe deferral
If the requested reset controller is not yet available, have reset_control_get
and device_reset return -EPROBE_DEFER so the driver can decide to request
probe deferral.
Signed-off-by: Philipp Zabel
Acked-by: Shawn Guo
Reviewed-by: Stephen Warren
---
diff --git a/drivers/reset/core.c b/drivers/reset/core.c
index d1b6089a0ef8..b3d99a1477b5 100644
--- a/drivers/reset/core.c
+++ b/drivers/reset/core.c
@@ -167,7 +167,7 @@ struct reset_control *reset_control_get(struct device *dev, const char *id)
if (!rcdev) {
mutex_unlock(&reset_controller_list_mutex);
- return ERR_PTR(-ENODEV);
+ return ERR_PTR(-EPROBE_DEFER);
}
rstc_id = rcdev->of_xlate(rcdev, &args);