uwb: avoid radio controller reset loops

If a radio controller reset attempt occurs while a probe() or remove()
is in progress it fails and is retried endlessly, potentially preventing
the probe() or remove() from completing.

If a reset fails, sleep for a bit before retrying the reset.  This
allows the probe()/remove() to complete.

Signed-off-by: David Vrabel <david.vrabel@csr.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/uwb/umc-bus.c b/drivers/uwb/umc-bus.c
index 5ad36164c13b..cdd6c8efc9f8 100644
--- a/drivers/uwb/umc-bus.c
+++ b/drivers/uwb/umc-bus.c
@@ -66,7 +66,7 @@ int umc_controller_reset(struct umc_dev *umc)
                 return -EAGAIN;
         ret = device_for_each_child(parent, parent, umc_bus_pre_reset_helper);
         if (ret >= 0)
-                device_for_each_child(parent, parent, umc_bus_post_reset_helper);
+                ret = device_for_each_child(parent, parent, umc_bus_post_reset_helper);
         up(&parent->sem);
 
         return ret;