drivers: serial: document on_baudrate()

Add parameter description.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2018-07-29 10:41:02 +02:00 committed by Tom Rini
parent f43674cf82
commit 938b05a5d7

View File

@ -36,7 +36,15 @@ static void serial_null(void)
/**
* on_baudrate() - Update the actual baudrate when the env var changes
*
* @name: changed environment variable
* @value: new value of the environment variable
* @op: operation (create, overwrite, or delete)
* @flags: attributes of environment variable change,
* see flags H_* in include/search.h
*
* This will check for a valid baudrate and only apply it if valid.
*
* Return: 0 on success, 1 on error
*/
static int on_baudrate(const char *name, const char *value, enum env_op op,
int flags)