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Thu, 09 Apr 2026 05:07:56 -0700 (PDT) Received: from localhost ([2a00:2381:fd67:101:e6b4:ab32:911e:de1c]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-43d1e4d2971sm66154263f8f.22.2026.04.09.05.07.55 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Apr 2026 05:07:55 -0700 (PDT) Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Thu, 09 Apr 2026 13:07:54 +0100 Message-Id: Subject: Re: [PATCH v2 5/7] soc: samsung: exynos-pmu: add Exynos850 CPU hotplug support From: "Alexey Klimov" To: "Henrik Grimler" Cc: "Sam Protsenko" , , "Krzysztof Kozlowski" , "Peter Griffin" , =?utf-8?q?Andr=C3=A9_Draszik?= , "Conor Dooley" , "Alim Akhtar" , "Tudor Ambarus" , "Rob Herring" , "Krzysztof Kozlowski" , , , X-Mailer: aerc 0.20.0 References: <20260401-exynos850-cpuhotplug-v2-0-c5a760a3e259@linaro.org> <20260401-exynos850-cpuhotplug-v2-5-c5a760a3e259@linaro.org> <20260409115630.GA15706@localhost> In-Reply-To: <20260409115630.GA15706@localhost> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260409_050801_534372_E99A256A X-CRM114-Status: GOOD ( 10.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Henrik, On Thu Apr 9, 2026 at 12:57 PM BST, Henrik Grimler wrote: > Hi Alexey, > > This patch breaks compilation for arm(32) exynos devices. Compiling > with exynos_defconfig I get: > > [ ... ] > CC drivers/soc/samsung/exynos850-pmu.o > CC [M] fs/squashfs/page_actor.o > ../drivers/soc/samsung/exynos850-pmu.c:17:21: error: call to undeclared f= unction 'MPIDR_AFFINITY_LEVEL'; ISO C99 and later do not support implicit f= unction declarations [-Wimplicit-function-declaration] > 17 | u32 this_cluster =3D MPIDR_AFFINITY_LEVEL(read_cpuid_mpid= r(), 2); > | ^ > ../drivers/soc/samsung/exynos850-pmu.c:17:42: error: call to undeclared f= unction 'read_cpuid_mpidr'; ISO C99 and later do not support implicit funct= ion declarations [-Wimplicit-function-declaration] > 17 | u32 this_cluster =3D MPIDR_AFFINITY_LEVEL(read_cpuid_mpid= r(), 2); > | ^ > ../drivers/soc/samsung/exynos850-pmu.c:48:21: error: call to undeclared f= unction 'MPIDR_AFFINITY_LEVEL'; ISO C99 and later do not support implicit f= unction declarations [-Wimplicit-function-declaration] > 48 | u32 this_cluster =3D MPIDR_AFFINITY_LEVEL(read_cpuid_mpid= r(), 2); > | ^ > ../drivers/soc/samsung/exynos850-pmu.c:48:42: error: call to undeclared f= unction 'read_cpuid_mpidr'; ISO C99 and later do not support implicit funct= ion declarations [-Wimplicit-function-declaration] > 48 | u32 this_cluster =3D MPIDR_AFFINITY_LEVEL(read_cpuid_mpid= r(), 2); > | ^ > 4 errors generated. > make[6]: *** [../scripts/Makefile.build:289: drivers/soc/samsung/exynos85= 0-pmu.o] Error 1 > make[5]: *** [../scripts/Makefile.build:548: drivers/soc/samsung] Error 2 > make[4]: *** [../scripts/Makefile.build:548: drivers/soc] Error 2 > make[3]: *** [../scripts/Makefile.build:548: drivers] Error 2 > make[3]: *** Waiting for unfinished jobs.... > [ ... ] Thank you! My bad. I will check for the next series what I missed. Thanks, Alexey