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Prior to commit6c96f05c8b("reset: Make [of_]reset_control_get[_foo] functions wrappers"), the "optional" functions returned -ENOTSUPP when CONFIG_RESET_CONTROLLER was not set. Revert back to the old behavior by changing the new __devm_reset_control_get() and __of_reset_control_get() functions to return ERR_PTR(-ENOTSUPP) when compiled without CONFIG_RESET_CONTROLLER. Otherwise they will return -EINVAL causing users to think that an error occurred when CONFIG_RESET_CONTROLLER is not set. Fixes:6c96f05c8b("reset: Make [of_]reset_control_get[_foo] functions wrappers") Signed-off-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>