Missing request ops from respective uclass driver generating "synchronous abort" in Allwinner platform, may be in arm. So add default request ops and give a chance to uclass driver to think whether they really need request or not.
Cc: Simon Glass sjg@chromium.org Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- drivers/reset/reset-uclass.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/reset/reset-uclass.c b/drivers/reset/reset-uclass.c index 3899537635..99881b8b99 100644 --- a/drivers/reset/reset-uclass.c +++ b/drivers/reset/reset-uclass.c @@ -14,6 +14,11 @@ static inline struct reset_ops *reset_dev_ops(struct udevice *dev) return (struct reset_ops *)dev->driver->ops; }
+static int reset_request_default(struct reset_ctl *reset_ctl) +{ + return 0; +} + static int reset_of_xlate_default(struct reset_ctl *reset_ctl, struct ofnode_phandle_args *args) { @@ -69,7 +74,10 @@ int reset_get_by_index(struct udevice *dev, int index, return ret; }
- ret = ops->request(reset_ctl); + if (ops->request) + ret = ops->request(reset_ctl); + else + ret = reset_request_default(reset_ctl); if (ret) { debug("ops->request() failed: %d\n", ret); return ret;