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Fri, 10 Jul 2020 10:32:00 +0100 Date: Fri, 10 Jul 2020 10:31:59 +0100 Message-ID: <87imevemwg.wl-maz@kernel.org> From: Marc Zyngier To: Alexandre Torgue , kernel test robot Subject: Re: [PATCH] irqchip/stm32-exti: map direct event to irq parent In-Reply-To: <202007081232.bA2RH80f%lkp@intel.com> References: <20200706081106.25125-1-alexandre.torgue@st.com> <202007081232.bA2RH80f%lkp@intel.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 EasyPG/1.0.0 Emacs/26.3 (x86_64-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") X-SA-Exim-Connect-IP: 62.31.163.78 X-SA-Exim-Rcpt-To: alexandre.torgue@st.com, lkp@intel.com, tglx@linutronix.de, jason@lakedaemon.net, kbuild-all@lists.01.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, marex@denx.de X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200710_053203_666657_0C6A601D X-CRM114-Status: GOOD ( 29.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marex@denx.de, kbuild-all@lists.01.org, Jason Cooper , linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Thomas Gleixner , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Alexandre, On Wed, 08 Jul 2020 05:57:24 +0100, kernel test robot wrote: > > [1 ] > Hi Alexandre, > > I love your patch! Perhaps something to improve: > > [auto build test WARNING on stm32/stm32-next] > [also build test WARNING on soc/for-next v5.8-rc4 next-20200707] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use as documented in > https://git-scm.com/docs/git-format-patch] > > url: https://github.com/0day-ci/linux/commits/Alexandre-Torgue/irqchip-stm32-exti-map-direct-event-to-irq-parent/20200706-161327 > base: https://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32.git stm32-next > config: arm-randconfig-s031-20200707 (attached as .config) > compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # apt-get install sparse > # sparse version: v0.6.2-31-gabbfd661-dirty > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > > All warnings (new ones prefixed by >>): > > In file included from include/linux/build_bug.h:5, > from include/linux/bits.h:23, > from include/linux/bitops.h:5, > from drivers/irqchip/irq-stm32-exti.c:8: > drivers/irqchip/irq-stm32-exti.c: In function 'stm32_exti_h_domain_alloc': > drivers/irqchip/irq-stm32-exti.c:683:23: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] > 683 | if (desc->irq_parent >= 0) { > | ^~ > include/linux/compiler.h:58:52: note: in definition of macro '__trace_if_var' > 58 | #define __trace_if_var(cond) (__builtin_constant_p(cond) ? (cond) : __trace_if_value(cond)) > | ^~~~ > >> drivers/irqchip/irq-stm32-exti.c:683:2: note: in expansion of macro 'if' > 683 | if (desc->irq_parent >= 0) { Do you plan to address this? Looks like an actual bug to me. M. -- Without deviation from the norm, progress is not possible. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel