From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mickerik.phytec.de ([195.145.39.210]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gtq01-0001lp-Sw for barebox@lists.infradead.org; Wed, 13 Feb 2019 08:34:35 +0000 From: Teresa Remmet Date: Wed, 13 Feb 2019 09:34:25 +0100 Message-Id: <1550046868-19264-4-git-send-email-t.remmet@phytec.de> In-Reply-To: <1550046868-19264-1-git-send-email-t.remmet@phytec.de> References: <1550046868-19264-1-git-send-email-t.remmet@phytec.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v2 4/7] drivers: of: Add function to enable and register a device by alias To: barebox@lists.infradead.org In some cases node names are not unique and passing the full path is really long. So make add a new device by passing the alias string possible. Signed-off-by: Teresa Remmet --- drivers/of/platform.c | 19 +++++++++++++++++++ include/of.h | 8 ++++++++ 2 files changed, 27 insertions(+) diff --git a/drivers/of/platform.c b/drivers/of/platform.c index ef8969ca8b19..d3795d799a13 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -207,6 +207,25 @@ struct device_d *of_device_enable_and_register_by_name(const char *name) } EXPORT_SYMBOL(of_device_enable_and_register_by_name); +/** + * of_device_enable_and_register_by_alias - Enable and register device by alias + * @name: alias of the device node + * + * Returns pointer to created platform device, or NULL if a device was not + * registered. Unavailable devices will not get registered. + */ +struct device_d *of_device_enable_and_register_by_alias(const char *alias) +{ + struct device_node *node; + + node = of_find_node_by_alias(NULL, alias); + if (!node) + return NULL; + + return of_device_enable_and_register(node); +} +EXPORT_SYMBOL(of_device_enable_and_register_by_alias); + #ifdef CONFIG_ARM_AMBA static struct device_d *of_amba_device_create(struct device_node *np) { diff --git a/include/of.h b/include/of.h index 184acb474136..b5f54dd4e5b5 100644 --- a/include/of.h +++ b/include/of.h @@ -255,6 +255,8 @@ extern int of_platform_populate(struct device_node *root, extern struct device_d *of_find_device_by_node(struct device_node *np); extern struct device_d *of_device_enable_and_register(struct device_node *np); extern struct device_d *of_device_enable_and_register_by_name(const char *name); +extern struct device_d *of_device_enable_and_register_by_alias( + const char *alias); struct cdev *of_parse_partition(struct cdev *cdev, struct device_node *node); int of_parse_partitions(struct cdev *cdev, struct device_node *node); @@ -670,6 +672,12 @@ static inline struct device_d *of_device_enable_and_register_by_name( return NULL; } +static inline struct device_d *of_device_enable_and_register_by_alias( + const char *alias) +{ + return NULL; +} + static inline int of_register_fixup(int (*fixup)(struct device_node *, void *), void *context) { -- 2.7.4 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox