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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>
Maxime Ripard 6 år sedan
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1 ändrade filer med 2 tillägg och 1 borttagningar
  1. 2 1
      env/env.c

+ 2 - 1
env/env.c

@@ -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: