Hi Gilad, On Mon, May 21, 2018 at 3:43 PM, Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> wrote: > 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. It's the (optional) name of the clock, helpful in case there is more than one. In your case, NULL is fine. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds