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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-38e495455acsm5588331fa.23.2026.04.10.03.41.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Apr 2026 03:41:08 -0700 (PDT) From: Ulf Hansson To: Saravana Kannan , "Rafael J . Wysocki" , Greg Kroah-Hartman , 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, Geert Uytterhoeven Subject: [PATCH v2 2/9] driver core: Add dev_set_drv_queue_sync_state() Date: Fri, 10 Apr 2026 12:40:45 +0200 Message-ID: <20260410104058.83748-3-ulf.hansson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260410104058.83748-1-ulf.hansson@linaro.org> References: <20260410104058.83748-1-ulf.hansson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260410_034111_522194_67248056 X-CRM114-Status: GOOD ( 12.82 ) 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 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. Tested-by: Geert Uytterhoeven 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 e65d564f01cd..f812e70bdf22 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -994,6 +994,18 @@ static inline int dev_set_drv_sync_state(struct device *dev, return 0; } +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 != fn) + return -EBUSY; + if (!dev->driver->queue_sync_state) + dev->driver->queue_sync_state = fn; + return 0; +} + static inline void dev_set_removable(struct device *dev, enum device_removable removable) { -- 2.43.0