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Mon, 15 Dec 2025 12:14:45 +0100 Message-ID: Date: Mon, 15 Dec 2025 12:14:45 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: Sascha Hauer , BAREBOX References: <20251209-devfs-v2-0-62ae16698cff@pengutronix.de> <20251209-devfs-v2-1-62ae16698cff@pengutronix.de> From: Ahmad Fatoum Content-Language: en-US, de-DE, de-BE In-Reply-To: <20251209-devfs-v2-1-62ae16698cff@pengutronix.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251215_031447_496271_739AFE19 X-CRM114-Status: GOOD ( 17.27 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH v2 01/13] fs: devfs-core: add devfs_create_link_node() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On 12/9/25 1:51 PM, Sascha Hauer wrote: > Allow to create a devfs link that not only has its own name, but also > its own device_node. > > Signed-off-by: Sascha Hauer Reviewed-by: Ahmad Fatoum > --- > fs/devfs-core.c | 8 +++++++- > include/driver.h | 2 ++ > 2 files changed, 9 insertions(+), 1 deletion(-) > > diff --git a/fs/devfs-core.c b/fs/devfs-core.c > index 92e7c5823ed0d3a4c54cc7b2b1c9bf32ac535907..91082265d1aaa965160de5e414364e3fb14824d1 100644 > --- a/fs/devfs-core.c > +++ b/fs/devfs-core.c > @@ -476,7 +476,7 @@ int devfs_create(struct cdev *new) > return 0; > } > > -int devfs_create_link(struct cdev *cdev, const char *name) > +int devfs_create_link_node(struct cdev *cdev, const char *name, struct device_node *node) > { > struct cdev *new; > int ret; > @@ -489,6 +489,7 @@ int devfs_create_link(struct cdev *cdev, const char *name) > > new = cdev_alloc(name); > new->link = cdev; > + new->device_node = node; > > ret = devfs_create(new); > if (ret) { > @@ -512,6 +513,11 @@ int devfs_create_link(struct cdev *cdev, const char *name) > return 0; > } > > +int devfs_create_link(struct cdev *cdev, const char *name) > +{ > + return devfs_create_link_node(cdev, name, NULL); > +} > + > int devfs_remove(struct cdev *cdev) > { > struct cdev *c, *tmp; > diff --git a/include/driver.h b/include/driver.h > index c130a3cd63fd5e6dc365a33c765a22dc4e2ca90a..e0fddecd085c991db4f1fe34c56405d28b6f53ad 100644 > --- a/include/driver.h > +++ b/include/driver.h > @@ -461,6 +461,8 @@ static inline const char *cdev_name(struct cdev *cdev) > > int devfs_create(struct cdev *); > int devfs_create_link(struct cdev *, const char *name); > +int devfs_create_link_node(struct cdev *cdev, const char *name, > + struct device_node *node); > int devfs_remove(struct cdev *); > int cdev_find_free_index(const char *); > struct cdev *cdev_find_partition(struct cdev *cdevm, const char *name); > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |