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author | Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> | 2013-10-03 09:21:53 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2013-10-06 13:19:46 +0200 |
commit | 6a5121f74894ed2d3514b59bd287d126eb7f1488 (patch) | |
tree | 8259be40e6cad36b274aeb3fb9768c71a6c8714a /common | |
parent | 651a23a69e598658e05e9e55d390db3a3f2a738a (diff) | |
download | barebox-6a5121f74894ed2d3514b59bd287d126eb7f1488.tar.gz barebox-6a5121f74894ed2d3514b59bd287d126eb7f1488.tar.xz |
console: factorise function to get the first enabled console
rename it to console_get_first_active
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'common')
-rw-r--r-- | common/console_common.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/common/console_common.c b/common/console_common.c index d139d1a8fe..a3aca6f46b 100644 --- a/common/console_common.c +++ b/common/console_common.c @@ -108,3 +108,25 @@ int fputc(int fd, char c) return 0; } EXPORT_SYMBOL(fputc); + +/* + * @brief returns current used console device + * + * @return console device which is registered with CONSOLE_STDIN and + * CONSOLE_STDOUT + */ +struct console_device *console_get_first_active(void) +{ + struct console_device *cdev; + /* + * Assumption to have BOTH CONSOLE_STDIN AND STDOUT in the + * same output console + */ + for_each_console(cdev) { + if ((cdev->f_active & (CONSOLE_STDIN | CONSOLE_STDOUT))) + return cdev; + } + + return NULL; +} +EXPORT_SYMBOL(console_get_first_active); |