linux-kernel - [PATCH v2 2/3] nds32: Fix the dts pointer is not passed correctly issue.

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Message-Id: <6897e6ecb3167598cb45e1a1424dd4d5e3778837.1530683430.git.greentime@andestech.com>
Date:   Wed,  4 Jul 2018 13:52:09 +0800
From:   Greentime Hu <green.hu@...il.com>
To:     greentime@...estech.com, linux-kernel@...r.kernel.org,
        ren_guo@...ky.com
Cc:     green.hu@...il.com
Subject: [PATCH v2 2/3] nds32: Fix the dts pointer is not passed correctly issue.

We found that the original implementation will only use the built-in dtb
pointer instead of the pointer pass from bootloader. This bug is fixed
by this patch.

Signed-off-by: Greentime Hu <greentime@...estech.com>
---
 arch/nds32/kernel/setup.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/nds32/kernel/setup.c b/arch/nds32/kernel/setup.c
index 2f5b2ccebe47..63a1a5ef5219 100644
--- a/arch/nds32/kernel/setup.c
+++ b/arch/nds32/kernel/setup.c
@@ -278,7 +278,8 @@ static void __init setup_memory(void)
 
 void __init setup_arch(char **cmdline_p)
 {
-	early_init_devtree( __dtb_start);
+	early_init_devtree(__atags_pointer ? \
+		phys_to_virt(__atags_pointer) : __dtb_start);
 
 	setup_cpuinfo();
 
-- 
2.16.2