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From: Oleksij Rempel <o.rempel@pengutronix.de>
To: barebox@lists.infradead.org, david@protonic.nl
Cc: Oleksij Rempel <o.rempel@pengutronix.de>
Subject: [PATCH v3 2/6] common: console_common: add of_console_get_by_alias() helper
Date: Thu, 13 Aug 2020 14:55:10 +0200	[thread overview]
Message-ID: <20200813125514.13574-3-o.rempel@pengutronix.de> (raw)
In-Reply-To: <20200813125514.13574-1-o.rempel@pengutronix.de>

Add helper function to get console device by devicetree alias

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 common/console_common.c | 18 ++++++++++++++++++
 include/console.h       |  1 +
 2 files changed, 19 insertions(+)

diff --git a/common/console_common.c b/common/console_common.c
index a174c2deed..8cd57e623d 100644
--- a/common/console_common.c
+++ b/common/console_common.c
@@ -23,6 +23,7 @@
 #include <environment.h>
 #include <globalvar.h>
 #include <magicvar.h>
+#include <of.h>
 #include <password.h>
 #include <clock.h>
 #include <malloc.h>
@@ -323,6 +324,23 @@ struct console_device *console_get_first_active(void)
 }
 EXPORT_SYMBOL(console_get_first_active);
 
+struct console_device *of_console_get_by_alias(const char *alias)
+{
+	struct device_node *node;
+	struct device_d *dev;
+
+	node = of_find_node_by_alias(NULL, alias);
+	if (!node)
+		return NULL;
+
+	dev = of_find_device_by_node(node);
+	if (!dev)
+		return NULL;
+
+	return console_get_by_dev(dev);
+}
+EXPORT_SYMBOL(of_console_get_by_alias);
+
 #endif /* !CONFIG_CONSOLE_NONE */
 
 int dprintf(int file, const char *fmt, ...)
diff --git a/include/console.h b/include/console.h
index 5b5c037026..a71d0da42e 100644
--- a/include/console.h
+++ b/include/console.h
@@ -87,6 +87,7 @@ int console_unregister(struct console_device *cdev);
 
 struct console_device *console_get_by_dev(struct device_d *dev);
 struct console_device *console_get_by_name(const char *name);
+struct console_device *of_console_get_by_alias(const char *alias);
 
 extern struct list_head console_list;
 #define for_each_console(console) list_for_each_entry(console, &console_list, list)
-- 
2.28.0


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  parent reply	other threads:[~2020-08-13 12:55 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-13 12:55 [PATCH v3 0/6] prepare Protonic board code for mainline Oleksij Rempel
2020-08-13 12:55 ` [PATCH v3 1/6] gpiolib: add gpio_array_to_id helper to get ID out of GPIO array Oleksij Rempel
2020-08-13 12:55 ` Oleksij Rempel [this message]
2020-08-13 12:55 ` [PATCH v3 3/6] of: of_device_get_match_compatible() helper Oleksij Rempel
2020-08-13 12:55 ` [PATCH v3 4/6] ARM: protonic-imx6: port Protonic specific board code Oleksij Rempel
2020-08-13 14:07   ` David Jander
2020-08-17  6:54     ` Oleksij Rempel
2020-08-13 12:55 ` [PATCH v3 5/6] ARM: dts: unify barebox and barebox, env partitions for all Protonic boards Oleksij Rempel
2020-08-13 12:55 ` [PATCH v3 6/6] ARM: dts: imx6q-prti6q: add pstore/ramoops node Oleksij Rempel

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