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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Corey Leavitt , Jonas Jelonek , Simon Horman , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Carlo Szelinsky Subject: [PATCH net-next v3 2/3] net: pse-pd: fire lifecycle events on controller register/unregister Date: Fri, 26 Jun 2026 18:59:28 +0200 Message-ID: <20260626165929.2908782-3-github@szelinsky.de> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260626165929.2908782-1-github@szelinsky.de> References: <20260626165929.2908782-1-github@szelinsky.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Corey Leavitt Hook the newly-introduced pse_controller_notifier chain so that pse_controller_register() fires PSE_REGISTERED after the controller has been added to pse_controller_list (i.e. is now resolvable by of_pse_control_get()), and pse_controller_unregister() fires PSE_UNREGISTERED before the controller is removed from the list (while it is still valid to dereference from a subscriber's pse_control pointer targeting it). With no subscribers yet, this is observably a no-op. A later change wires the phy subsystem in as the first subscriber. Signed-off-by: Corey Leavitt Signed-off-by: Carlo Szelinsky --- drivers/net/pse-pd/pse_core.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/pse-pd/pse_core.c b/drivers/net/pse-pd/pse_core.c index 3c4d09f1d6e4..0190fac33c78 100644 --- a/drivers/net/pse-pd/pse_core.c +++ b/drivers/net/pse-pd/pse_core.c @@ -1138,6 +1138,9 @@ int pse_controller_register(struct pse_controller_dev *pcdev) list_add(&pcdev->list, &pse_controller_list); mutex_unlock(&pse_list_mutex); + blocking_notifier_call_chain(&pse_controller_notifier, + PSE_REGISTERED, pcdev); + return 0; } EXPORT_SYMBOL_GPL(pse_controller_register); @@ -1148,6 +1151,9 @@ EXPORT_SYMBOL_GPL(pse_controller_register); */ void pse_controller_unregister(struct pse_controller_dev *pcdev) { + blocking_notifier_call_chain(&pse_controller_notifier, + PSE_UNREGISTERED, pcdev); + pse_flush_pw_ds(pcdev); pse_release_pis(pcdev); if (pcdev->irq) -- 2.43.0