[U-Boot] [PATCH] ARM: uniphier: skip memreserve of unused DRAM bank of LD20

[Masahiro Yamada]

Now the "for" loop here iterates on the detected memory banks.
It must skip unused DRAM banks.

Fixes: c995f3a3c526 ("ARM: uniphier: use gd->bd->bi_dram for memory reserve on LD20 SoC")
Signed-off-by: Masahiro Yamada <yamada.masahiro at socionext.com>
---

 arch/arm/mach-uniphier/dram_init.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/mach-uniphier/dram_init.c b/arch/arm/mach-uniphier/dram_init.c
index d121a3b..4b7b867 100644
--- a/arch/arm/mach-uniphier/dram_init.c
+++ b/arch/arm/mach-uniphier/dram_init.c
@@ -263,6 +263,9 @@ int ft_board_setup(void *fdt, bd_t *bd)
 		return 0;
 
 	for (i = 0; i < ARRAY_SIZE(gd->bd->bi_dram); i++) {
+		if (!gd->bd->bi_dram[i].size)
+			continue;
+
 		rsv_addr = gd->bd->bi_dram[i].start + gd->bd->bi_dram[i].size;
 		rsv_addr -= rsv_size;
 
-- 
2.7.4