Hi Krzysztof, On Tue, 20 Feb 2024 at 06:56, Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote: > > On 19/02/2024 20:47, Peter Griffin wrote: > >> > >>> + > >>> + if (property) > >>> + pmu_np = of_parse_phandle(np, property, 0); > >>> + else > >>> + pmu_np = np; > >>> + > >>> + if (!pmu_np) > >>> + return ERR_PTR(-ENODEV); > >>> + > >>> + /* > >>> + * Determine if exynos-pmu device has probed and therefore regmap > >>> + * has been created and can be returned to the caller. Otherwise we > >>> + * return -EPROBE_DEFER. > >>> + */ > >>> + dev = driver_find_device_by_of_node(&exynos_pmu_driver.driver, > >>> + (void *)pmu_np); > >>> + > >>> + of_node_put(pmu_np); > >> > >> You are dropping now referencen from np when property==NULL. This does > >> no look right. > > > > Good spot, will fix. It seems syscon.c and altera-sysmgr also have the > > same issue. > > > > Do you plan on fixing them as well in such case? Yes I'll send some patches to fix syscon and altera-sysmgr as well. Thanks, Peter