diff options
| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2020-08-20 09:34:45 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-08-24 08:48:36 +0200 |
| commit | e8e24151f2254832d0462528ca722d7c4d261a81 (patch) | |
| tree | 3215421033c38d0b1dcb012598c7ebcd8cacefc6 /common | |
| parent | 8b45504693e9912140bbc1f7875a994f90c76d55 (diff) | |
| download | barebox-e8e24151f2254832d0462528ca722d7c4d261a81.tar.gz barebox-e8e24151f2254832d0462528ca722d7c4d261a81.tar.xz | |
common: console_common: add of_console_get_by_alias() helper
Add helper function to get console device by devicetree alias
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common')
| -rw-r--r-- | common/console_common.c | 18 |
1 files changed, 18 insertions, 0 deletions
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, ...) |