norflash: Wait for WSM bit in lock/unlock
lock/unlock operation must wait until WSM bit
is set. Since we do not allow to loop forever then these functions
must return an error if WSM bit isn't enabled after a number of tries.
Change-Id: I21c9e292b514b28786ff4a225128bcd8c1bfa999
Signed-off-by: Roberto Vargas <roberto.vargas@arm.com>
diff --git a/include/plat/arm/board/common/drivers/norflash.h b/include/plat/arm/board/common/drivers/norflash.h
index e74635e..4b66e42 100644
--- a/include/plat/arm/board/common/drivers/norflash.h
+++ b/include/plat/arm/board/common/drivers/norflash.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -37,8 +37,8 @@
/* Public API */
void nor_send_cmd(uintptr_t base_addr, unsigned long cmd);
int nor_word_program(uintptr_t base_addr, unsigned long data);
-void nor_lock(uintptr_t base_addr);
-void nor_unlock(uintptr_t base_addr);
+int nor_lock(uintptr_t base_addr);
+int nor_unlock(uintptr_t base_addr);
#endif /* __NORFLASH_H_ */