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(h-178-174-189-39.A498.priv.bahnhof.se. [178.174.189.39]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5a1235811e3sm587866e87.29.2026.03.03.05.23.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2026 05:23:26 -0800 (PST) From: Ulf Hansson To: Saravana Kannan , "Rafael J . Wysocki" , Greg Kroah-Hartman , linux-pm@vger.kernel.org Cc: 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 2/9] driver core: Add dev_set_drv_queue_sync_state() Date: Tue, 3 Mar 2026 14:22:48 +0100 Message-ID: <20260303132305.438657-3-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260303132305.438657-1-ulf.hansson@linaro.org> References: <20260303132305.438657-1-ulf.hansson@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Similar to the dev_set_drv_sync_state() helper, let's add another one to allow subsystem level code to set the ->queue_sync_state() callback for a driver that has not already set it. Signed-off-by: Ulf Hansson --- include/linux/device.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index 0be95294b6e6..eeb18548ea4f 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -940,6 +940,18 @@ static inline int dev_set_drv_sync_state(struct device= *dev, return 0; } =20 +static inline int dev_set_drv_queue_sync_state(struct device *dev, + void (*fn)(struct device *dev)) +{ + if (!dev || !dev->driver) + return 0; + if (dev->driver->queue_sync_state && dev->driver->queue_sync_state !=3D f= n) + return -EBUSY; + if (!dev->driver->queue_sync_state) + dev->driver->queue_sync_state =3D fn; + return 0; +} + static inline void dev_set_removable(struct device *dev, enum device_removable removable) { --=20 2.43.0