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Wysocki" Cc: linux-pm@vger.kernel.org, linux-iio@vger.kernel.org, Andy Shevchenko , Alexandre Torgue , =?UTF-8?q?Nuno=20S=C3=A1?= , linux-stm32@st-md-mailman.stormreply.com, Jonathan Cameron , David Lechner , Maxime Coquelin , linux-kernel@vger.kernel.org, Fabrice Gasnier , linux-arm-kernel@lists.infradead.org, Brian Norris Subject: [PATCH 1/5] PM: runtime: Only queue an idle check for RPM-linked suppliers (part 2) Date: Fri, 2 Oct 2026 16:03:05 -0700 Message-ID: <20261002160309.1.If69ddc515c2e9fd4338441e87688b9d690d2ef36@changeid> X-Mailer: git-send-email 2.56.0.rc1.315.gc6ed9934b7-goog In-Reply-To: <20261002230714.507921-1-briannorris@chromium.org> References: <20261002230714.507921-1-briannorris@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261002_160722_284176_F9110231 X-CRM114-Status: GOOD ( 10.96 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Commit be5755f023e7 ("PM: runtime: Only queue an idle check for RPM-linked suppliers") was incomplete. There are two other cases where we perform idle checks on non-DL_FLAG_PM_RUNTIME suppliers -- in pm_runtime_set_suspended(), and in cases were we failed to resume suppliers. Fixes: 5244f5e2d801 ("PM: runtime: Defer suspending suppliers") Signed-off-by: Brian Norris --- Noticed while touching this function in subsequent work. drivers/base/power/runtime.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 655c0b8af095..e70726b499e7 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -343,6 +343,9 @@ static void __rpm_put_suppliers(struct device *dev, bool try_to_suspend) list_for_each_entry_rcu(link, &dev->links.suppliers, c_node, device_links_read_lock_held()) { + if (!device_link_test(link, DL_FLAG_PM_RUNTIME)) + continue; + pm_runtime_release_supplier(link); if (try_to_suspend) pm_request_idle(link->supplier); -- 2.56.0.rc1.315.gc6ed9934b7-goog