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Wysocki" , Daniel Lezcano , Dmitry Osipenko Cc: Arnd Bergmann , Randy Dunlap , stable@vger.kernel.org, Anup Patel , Sudeep Holla , Ulf Hansson , Michael Walle , Thierry Reding , Bjorn Andersson , Lina Iyer , Stephan Gerhold , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] [v2] cpuidle: add ARCH_SUSPEND_POSSIBLE dependencies Date: Mon, 6 Feb 2023 20:33:06 +0100 Message-Id: <20230206193319.4107220-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757112214027537699?= X-GMAIL-MSGID: =?utf-8?q?1757112214027537699?= From: Arnd Bergmann Some ARMv4 processors don't support suspend, which leads to a build failure with the tegra and qualcomm cpuidle driver: WARNING: unmet direct dependencies detected for ARM_CPU_SUSPEND Depends on [n]: ARCH_SUSPEND_POSSIBLE [=n] Selected by [y]: - ARM_TEGRA_CPUIDLE [=y] && CPU_IDLE [=y] && (ARM [=y] || ARM64) && (ARCH_TEGRA [=n] || COMPILE_TEST [=y]) && !ARM64 && MMU [=y] arch/arm/kernel/sleep.o: in function `__cpu_suspend': (.text+0x68): undefined reference to `cpu_sa110_suspend_size' (.text+0x68): undefined reference to `cpu_fa526_suspend_size' Add an explicit dependency to make randconfig builds avoid this combination. Fixes: faae6c9f2e68 ("cpuidle: tegra: Enable compile testing") Fixes: a871be6b8eee ("cpuidle: Convert Qualcomm SPM driver to a generic CPUidle driver") Link: https://lore.kernel.org/all/20211013160125.772873-1-arnd@kernel.org/ Cc: Randy Dunlap Cc: stable@vger.kernel.org Reviewed-by: Dmitry Osipenko Signed-off-by: Arnd Bergmann Acked-by: Thierry Reding --- I found this in my backlog of patches that never made it upstream, testing shows this is still needed. Please apply. --- drivers/cpuidle/Kconfig.arm | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm index 747aa537389b..f0714a32921e 100644 --- a/drivers/cpuidle/Kconfig.arm +++ b/drivers/cpuidle/Kconfig.arm @@ -102,6 +102,7 @@ config ARM_MVEBU_V7_CPUIDLE config ARM_TEGRA_CPUIDLE bool "CPU Idle Driver for NVIDIA Tegra SoCs" depends on (ARCH_TEGRA || COMPILE_TEST) && !ARM64 && MMU + depends on ARCH_SUSPEND_POSSIBLE select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP select ARM_CPU_SUSPEND help @@ -110,6 +111,7 @@ config ARM_TEGRA_CPUIDLE config ARM_QCOM_SPM_CPUIDLE bool "CPU Idle Driver for Qualcomm Subsystem Power Manager (SPM)" depends on (ARCH_QCOM || COMPILE_TEST) && !ARM64 && MMU + depends on ARCH_SUSPEND_POSSIBLE select ARM_CPU_SUSPEND select CPU_IDLE_MULTIPLE_DRIVERS select DT_IDLE_STATES