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(h-178-174-189-39.A498.priv.bahnhof.se. [178.174.189.39]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-393f5f5fcc7sm4569621fa.18.2026.05.08.05.39.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 May 2026 05:39:27 -0700 (PDT) From: Ulf Hansson To: Danilo Krummrich , Saravana Kannan , "Rafael J . Wysocki" , Greg Kroah-Hartman , driver-core@lists.linux.dev, linux-pm@vger.kernel.org Cc: Sudeep Holla , Cristian Marussi , Kevin Hilman , Stephen Boyd , Marek Szyprowski , Bjorn Andersson , Abel Vesa , Peng Fan , Tomi Valkeinen , Maulik Shah , Konrad Dybcio , Thierry Reding , Jonathan Hunter , Geert Uytterhoeven , Dmitry Baryshkov , Ulf Hansson , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 08/13] pmdomain: core: Export a common function for ->queue_sync_state() Date: Fri, 8 May 2026 14:38:57 +0200 Message-ID: <20260508123910.114273-9-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260508123910.114273-1-ulf.hansson@linaro.org> References: <20260508123910.114273-1-ulf.hansson@linaro.org> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Along with of_genpd_sync_state() that genpd provider drivers may use to manage sync_state, let's add and export of_genpd_queue_sync_state() for those that may need it. It's expected that the genpd provider driver assigns it's own ->queue_sync_state() callback and invoke the new helper from there. Signed-off-by: Ulf Hansson --- Changes in v3: - No changes. --- drivers/pmdomain/core.c | 14 +++++++++----- include/linux/pm_domain.h | 2 ++ 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/pmdomain/core.c b/drivers/pmdomain/core.c index b2b5cc30c7fc..b3ec3dec3f10 100644 --- a/drivers/pmdomain/core.c +++ b/drivers/pmdomain/core.c @@ -2763,7 +2763,7 @@ static void genpd_parse_for_consumer(struct device_node *sup, } } -static void _genpd_queue_sync_state(struct device_node *np) +static void genpd_queue_sync_state(struct device_node *np) { struct generic_pm_domain *genpd; @@ -2781,11 +2781,14 @@ static void _genpd_queue_sync_state(struct device_node *np) mutex_unlock(&gpd_list_lock); } -static void genpd_queue_sync_state(struct device *dev) +void of_genpd_queue_sync_state(struct device *dev) { struct device_node *np = dev->of_node; struct device_link *link; + if (!np) + return; + if (!genpd_should_wait_for_consumer(np)) return; @@ -2809,8 +2812,9 @@ static void genpd_queue_sync_state(struct device *dev) genpd_parse_for_consumer(np, consumer->of_node); } - _genpd_queue_sync_state(np); + genpd_queue_sync_state(np); } +EXPORT_SYMBOL_GPL(of_genpd_queue_sync_state); static void genpd_sync_state(struct device *dev) { @@ -2921,7 +2925,7 @@ int of_genpd_add_provider_onecell(struct device_node *np, sync_state = true; } else if (!dev_has_sync_state(dev)) { dev_set_drv_sync_state(dev, genpd_sync_state); - dev_set_drv_queue_sync_state(dev, genpd_queue_sync_state); + dev_set_drv_queue_sync_state(dev, of_genpd_queue_sync_state); } put_device(dev); @@ -3653,7 +3657,7 @@ static void genpd_provider_queue_sync_state(struct device *dev) if (genpd->sync_state != GENPD_SYNC_STATE_ONECELL) return; - genpd_queue_sync_state(dev); + of_genpd_queue_sync_state(dev); } static void genpd_provider_sync_state(struct device *dev) diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index 7aa49721cde5..d428dd805c46 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -467,6 +467,7 @@ int of_genpd_remove_subdomain(const struct of_phandle_args *parent_spec, struct generic_pm_domain *of_genpd_remove_last(struct device_node *np); int of_genpd_parse_idle_states(struct device_node *dn, struct genpd_power_state **states, int *n); +void of_genpd_queue_sync_state(struct device *dev); void of_genpd_sync_state(struct device_node *np); int genpd_dev_pm_attach(struct device *dev); @@ -513,6 +514,7 @@ static inline int of_genpd_parse_idle_states(struct device_node *dn, return -ENODEV; } +static inline void of_genpd_queue_sync_state(struct device *dev) {} static inline void of_genpd_sync_state(struct device_node *np) {} static inline int genpd_dev_pm_attach(struct device *dev) -- 2.43.0