[PATCH v2 11/18] common: board_r: Drop initr_noncached wrapper

[Ovidiu Panait]

Add a return value to noncached_init and use it directly in the
post-relocation init sequence, rather than using a wrapper stub.

Signed-off-by: Ovidiu Panait <ovidiu.panait at windriver.com>
---
v2 updates:
- add function comment

 arch/arm/include/asm/system.h | 13 ++++++++++++-
 arch/arm/lib/cache.c          |  4 +++-
 common/board_r.c              | 10 +---------
 3 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index ce552944b7..5fe83699f4 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -628,7 +628,18 @@ void mmu_set_region_dcache_behaviour(phys_addr_t start, size_t size,
 				     enum dcache_option option);
 
 #ifdef CONFIG_SYS_NONCACHED_MEMORY
-void noncached_init(void);
+/**
+ * noncached_init() - Initialize non-cached memory region
+ *
+ * Initialize non-cached memory area. This memory region will be typically
+ * located right below the malloc() area and mapped uncached in the MMU.
+ *
+ * It is called during the generic post-relocation init sequence.
+ *
+ * Return: 0 if OK
+ */
+int noncached_init(void);
+
 phys_addr_t noncached_alloc(size_t size, size_t align);
 #endif /* CONFIG_SYS_NONCACHED_MEMORY */
 
diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c
index ee7d14b2d3..bdde9cdad5 100644
--- a/arch/arm/lib/cache.c
+++ b/arch/arm/lib/cache.c
@@ -86,7 +86,7 @@ void noncached_set_region(void)
 #endif
 }
 
-void noncached_init(void)
+int noncached_init(void)
 {
 	phys_addr_t start, end;
 	size_t size;
@@ -103,6 +103,8 @@ void noncached_init(void)
 	noncached_next = start;
 
 	noncached_set_region();
+
+	return 0;
 }
 
 phys_addr_t noncached_alloc(size_t size, size_t align)
diff --git a/common/board_r.c b/common/board_r.c
index 414b6272c5..48e898b586 100644
--- a/common/board_r.c
+++ b/common/board_r.c
@@ -242,14 +242,6 @@ static int initr_malloc(void)
 	return 0;
 }
 
-#ifdef CONFIG_SYS_NONCACHED_MEMORY
-static int initr_noncached(void)
-{
-	noncached_init();
-	return 0;
-}
-#endif
-
 static int initr_of_live(void)
 {
 	if (CONFIG_IS_ENABLED(OF_LIVE)) {
@@ -668,7 +660,7 @@ static init_fnc_t init_sequence_r[] = {
 	console_record_init,
 #endif
 #ifdef CONFIG_SYS_NONCACHED_MEMORY
-	initr_noncached,
+	noncached_init,
 #endif
 	initr_of_live,
 #ifdef CONFIG_DM
-- 
2.17.1