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Wysocki" , Len Brown , Daniel Scally , Heikki Krogerus , Sakari Ailus Subject: [PATCH v3 2/3] device property: Implement device_is_compatible() Date: Mon, 12 Jun 2023 19:10:10 +0300 Message-Id: <20230612161011.86871-3-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230612161011.86871-1-andriy.shevchenko@linux.intel.com> References: <20230612161011.86871-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.3 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE 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?1768515745054908828?= X-GMAIL-MSGID: =?utf-8?q?1768515745054908828?= Some users want to use the struct device pointer to see if the device is compatible in terms of Open Firmware specifications, i.e. if it has a 'compatible' property and it matches to the given value. Provide inline helper for the users. Reviewed-by: Sakari Ailus Signed-off-by: Andy Shevchenko Reviewed-by: Serge Semin --- include/linux/property.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/include/linux/property.h b/include/linux/property.h index 3df7e10156d8..0251138c7c88 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -90,6 +90,18 @@ bool fwnode_device_is_compatible(const struct fwnode_handle *fwnode, const char return fwnode_property_match_string(fwnode, "compatible", compat) >= 0; } +/** + * device_is_compatible - match 'compatible' property of the device with a given string + * @dev: Pointer to the struct device + * @compat: The string to match 'compatible' property with + * + * Returns: true if matches, otherwise false. + */ +static inline bool device_is_compatible(const struct device *dev, const char *compat) +{ + return fwnode_device_is_compatible(dev_fwnode(dev), compat); +} + int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode, const char *prop, const char *nargs_prop, unsigned int nargs, unsigned int index,