Hi Philipp, > On Mi, 2024-01-10 at 18:32 -0800, Changhuang Liang wrote: > >[...] > > + irqc->rst = of_reset_control_get_by_index(intc, 0); > > Please use of_reset_control_get_exclusive(intc, NULL) instead. > > > + if (IS_ERR(irqc->rst)) { > > + pr_err("Unable to get reset control\n"); > > + ret = PTR_ERR(irqc->rst); > > Consider printing the error code via %pe. > > Thanks for your comments. Follow your advice, will change in next version. regards Changhuang