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(h-178-174-189-39.A498.priv.bahnhof.se. [178.174.189.39]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-551fc0d473bsm1950609e87.244.2025.05.23.06.41.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 May 2025 06:41:05 -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 16/21] driver core: Add dev_set_drv_sync_state() Date: Fri, 23 May 2025 15:40:13 +0200 Message-ID: <20250523134025.75130-17-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-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" From: Saravana Kannan This can be used by frameworks to set the sync_state() helper functions for drivers that don't already have them set. Signed-off-by: Saravana Kannan Acked-by: Greg Kroah-Hartman Reviewed-by: Abel Vesa 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 f6ca813eebbe..fd4300e17b17 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -955,6 +955,18 @@ static inline bool dev_has_sync_state(struct device *d= ev) return false; } =20 +static inline int dev_set_drv_sync_state(struct device *dev, + void (*fn)(struct device *dev)) +{ + if (!dev || !dev->driver) + return 0; + if (dev->driver->sync_state && dev->driver->sync_state !=3D fn) + return -EBUSY; + if (!dev->driver->sync_state) + dev->driver->sync_state =3D fn; + return 0; +} + static inline void dev_set_removable(struct device *dev, enum device_removable removable) { --=20 2.43.0