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(h-178-174-189-39.A498.priv.bahnhof.se. [178.174.189.39]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-551fc0d473bsm1950609e87.244.2025.05.23.06.41.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 May 2025 06:41:06 -0700 (PDT) From: Ulf Hansson To: Saravana Kannan , Stephen Boyd , linux-pm@vger.kernel.org Cc: "Rafael J . Wysocki" , Greg Kroah-Hartman , Michael Grzeschik , Bjorn Andersson , Abel Vesa , Peng Fan , Tomi Valkeinen , Johan Hovold , Maulik Shah , Michal Simek , Konrad Dybcio , Thierry Reding , Jonathan Hunter , Ulf Hansson , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 17/21] pmdomain: core: Default to use of_genpd_sync_state() for genpd providers Date: Fri, 23 May 2025 15:40:14 +0200 Message-ID: <20250523134025.75130-18-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250523134025.75130-1-ulf.hansson@linaro.org> References: <20250523134025.75130-1-ulf.hansson@linaro.org> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Unless the typical platform driver that act as genpd provider, has its own ->sync_state() callback implemented let's default to use of_genpd_sync_state(). More precisely, while adding a genpd OF provider let's assign the ->sync_state() callback, in case the fwnode has a device and its driver doesn't have the ->sync_state() set already. In this way the typical platform driver doesn't need to assign ->sync_state(), unless it has some additional things to manage beyond genpds. Suggested-by: Saravana Kannan Signed-off-by: Ulf Hansson --- drivers/pmdomain/core.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/pmdomain/core.c b/drivers/pmdomain/core.c index c094ccbba151..b39d06d3ad26 100644 --- a/drivers/pmdomain/core.c +++ b/drivers/pmdomain/core.c @@ -2621,6 +2621,11 @@ static bool genpd_present(const struct generic_pm_domain *genpd) return ret; } +static void genpd_sync_state(struct device *dev) +{ + return of_genpd_sync_state(dev->of_node); +} + /** * of_genpd_add_provider_simple() - Register a simple PM domain provider * @np: Device node pointer associated with the PM domain provider. @@ -2646,6 +2651,8 @@ int of_genpd_add_provider_simple(struct device_node *np, if (!dev && !genpd_is_no_sync_state(genpd)) { genpd->sync_state = GENPD_SYNC_STATE_SIMPLE; device_set_node(&genpd->dev, fwnode); + } else { + dev_set_drv_sync_state(dev, genpd_sync_state); } put_device(dev); @@ -2715,6 +2722,8 @@ int of_genpd_add_provider_onecell(struct device_node *np, dev = get_dev_from_fwnode(fwnode); if (!dev) sync_state = true; + else + dev_set_drv_sync_state(dev, genpd_sync_state); put_device(dev);