From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dmitry Osipenko Date: Sun, 07 Nov 2021 16:53:00 +0000 Subject: Re: [PATCH v2 27/45] mfd: ntxec: Use devm_register_power_handler() Message-Id: List-Id: References: <20211027211715.12671-1-digetx@gmail.com> <20211027211715.12671-28-digetx@gmail.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit To: =?UTF-8?Q?Jonathan_Neusch=c3=a4fer?= Cc: Thierry Reding , Jonathan Hunter , Lee Jones , "Rafael J . Wysocki" , Mark Brown , Andrew Morton , Guenter Roeck , Russell King , Daniel Lezcano , Andy Shevchenko , Ulf Hansson , Catalin Marinas , Will Deacon , Guo Ren , Geert Uytterhoeven , Greg Ungerer , Joshua Thompson , Thomas Bogendoerfer , Nick Hu , Greentime Hu , Vincent Chen , Helge Deller , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , Paul Walmsley , Palmer Dabbelt , Albert Ou , Yoshinori Sato , Rich Felker , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , Len Brown , Santosh Shilimkar , Krzysztof Kozlowski , Linus Walleij , Chen-Yu Tsai , Tony Lindgren , Liam Girdwood , Philipp Zabel , Vladimir Zapolskiy , Avi Fishman , Tomer Maimon , Tali Perry , Patrick Venture , Nancy Yuen , Benjamin Fair , Pavel Machek , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-csky@vger.kernel.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, xen-devel@lists.xenproject.org, linux-acpi@vger.kernel.org, linux-omap@vger.kernel.org, openbmc@lists.ozlabs.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org 06.11.2021 23:54, Jonathan Neuschäfer пишет: > Hi, > > On Thu, Oct 28, 2021 at 12:16:57AM +0300, Dmitry Osipenko wrote: >> Use devm_register_power_handler() that replaces global pm_power_off >> variable and allows to register multiple power-off handlers. It also >> provides restart-handler support, i.e. all in one API. >> >> Signed-off-by: Dmitry Osipenko >> --- > > When I boot with (most of) this patchset applied, I get the warning at > kernel/reboot.c:187: > > /* > * Handler must have unique priority. Otherwise call order is > * determined by registration order, which is unreliable. > */ > WARN_ON(!atomic_notifier_has_unique_priority(&restart_handler_list, nb)); > > As the NTXEC driver doesn't specify a priority, I think this is an issue > to be fixed elsewhere. > > Other than that, it works and looks good, as far as I can tell. > > > For this patch: > > Reviewed-by: Jonathan Neuschäfer > Tested-by: Jonathan Neuschäfer Thank you. You have conflicting restart handlers, apparently NTXEC driver should have higher priority than the watchdog driver. It should be a common problem for the watchdog drivers, I will lower watchdog's default priority to fix it.