On Thu, May 17, 2018 at 1:16 PM, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> wrote: > > Indeed. From a quick glance, it looks like drivers/crypto/ccree/cc_driver.c > does not distinguish between the absence of the clock property, and an > actual error in getting the clock, and never considers any error a failure > (incl. -PROBE_DEFER). > > As of_clk_get() returns -ENOENT for both a missing clock property and a > missing clock, you should use (devm_)clk_get() instead, and distinguish > between NULL (no clock property) and IS_ERR() (actual failure -> abort). > I was trying to do as you suggested but I didn't quite get what is the dev_id (2nd) parameter to devm_clk_get parameter is supposed to be. I see what of_clk_get() is doing, so can replicate that but it seems an over kill. Any ideas? Thanks, Gilad -- Gilad Ben-Yossef Chief Coffee Drinker "If you take a class in large-scale robotics, can you end up in a situation where the homework eats your dog?" -- Jean-Baptiste Queru