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Wysocki" , Mark Rutland , Lorenzo Pieralisi Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Samuel Holland Subject: [PATCH 2/2] firmware/psci: Switch to the sys-off handler API Date: Sat, 5 Nov 2022 16:48:40 -0500 Message-Id: <20221105214841.7828-3-samuel@sholland.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221105214841.7828-1-samuel@sholland.org> References: <20221105214841.7828-1-samuel@sholland.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_PASS, 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?1748694447166646006?= X-GMAIL-MSGID: =?utf-8?q?1748694476700633749?= Any other poweroff handlers registered at the default priority will run before the legacy pm_power_off() function. Register the PSCI poweroff handler with the correct priority to ensure it runs first. Signed-off-by: Samuel Holland --- drivers/firmware/psci/psci.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/firmware/psci/psci.c b/drivers/firmware/psci/psci.c index e7bcfca4159f..6d528021925d 100644 --- a/drivers/firmware/psci/psci.c +++ b/drivers/firmware/psci/psci.c @@ -13,7 +13,6 @@ #include #include #include -#include #include #include #include @@ -322,9 +321,11 @@ static struct notifier_block psci_sys_reset_nb = { .priority = 129, }; -static void psci_sys_poweroff(void) +static int psci_sys_poweroff(struct sys_off_data *data) { invoke_psci_fn(PSCI_0_2_FN_SYSTEM_OFF, 0, 0, 0); + + return NOTIFY_DONE; } static int psci_features(u32 psci_func_id) @@ -603,7 +604,9 @@ static void __init psci_0_2_set_functions(void) register_restart_handler(&psci_sys_reset_nb); - pm_power_off = psci_sys_poweroff; + register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, + SYS_OFF_PRIO_FIRMWARE, + psci_sys_poweroff, NULL); } /*