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 <p.zabel@pengutronix.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
diff --git a/drivers/reset/core.c b/drivers/reset/core.c
index d1b6089..b3d99a1 100644
--- a/drivers/reset/core.c
+++ b/drivers/reset/core.c
@@ -167,7 +167,7 @@
if (!rcdev) {
mutex_unlock(&reset_controller_list_mutex);
- return ERR_PTR(-ENODEV);
+ return ERR_PTR(-EPROBE_DEFER);
}
rstc_id = rcdev->of_xlate(rcdev, &args);