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reset: allow drivers to request probe deferral

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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 <p.zabel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
This commit is contained in:
Philipp Zabel 2013-07-18 13:55:22 +02:00
parent 38dbfb59d1
commit 3d10302048
1 changed files with 1 additions and 1 deletions
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2
drivers/reset/core.c
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@ -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);