env: Mark env_get_location as weak

Allow boards and architectures to override the default environment lookup
code by overriding env_get_location.

Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Maxime Ripard 2018-01-23 21:17:02 +01:00 committed by Tom Rini
parent fb69464eae
commit 40c08a68b9

3
env/env.c vendored
View File

@ -88,6 +88,7 @@ static void env_set_inited(enum env_location location)
* highest priority
*
* This will return the preferred environment for the given priority.
* This is overridable by boards if they need to.
*
* All implementations are free to use the operation, the priority and
* any other data relevant to their choice, but must take into account
@ -98,7 +99,7 @@ static void env_set_inited(enum env_location location)
* Returns:
* an enum env_location value on success, a negative error code otherwise
*/
static enum env_location env_get_location(enum env_operation op, int prio)
__weak enum env_location env_get_location(enum env_operation op, int prio)
{
switch (op) {
case ENVOP_GET_CHAR: