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Wysocki" , Kevin Hilman , Ulf Hansson , Len Brown , Pavel Machek , Greg Kroah-Hartman , Saravana Kannan Cc: Bjorn Andersson , linux-pm@vger.kernel.org, Linux Kernel Mailing List , linux-arm-msm@vger.kernel.org, Dmitry Baryshkov Subject: [RFC PATCH v5 2/4] driver core: Add dev_is_drv_state_synced() Date: Wed, 21 Jun 2023 17:40:17 +0300 Message-Id: <20230621144019.3219858-3-abel.vesa@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230621144019.3219858-1-abel.vesa@linaro.org> References: <20230621144019.3219858-1-abel.vesa@linaro.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1769325755201500817?= X-GMAIL-MSGID: =?utf-8?q?1769325755201500817?= This can be used by drivers to figure out if a different device driver has state synced or not for a specific device. Signed-off-by: Abel Vesa --- include/linux/device.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index bae11928ef7e..8f042f04b5d9 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1007,6 +1007,20 @@ static inline int dev_set_drv_sync_state(struct device *dev, return 0; } +static inline bool dev_is_drv_state_synced(struct device *dev) +{ + bool ret = false; + + if (!dev) + return ret; + + device_lock(dev); + ret = dev->state_synced; + device_unlock(dev); + + return ret; +} + static inline void dev_set_removable(struct device *dev, enum device_removable removable) {