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

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Message-Id: <20180628104902.9078-1-greentime@andestech.com>
Date:   Thu, 28 Jun 2018 18:49:02 +0800
From:   Greentime Hu <green.hu@...il.com>
To:     greentime@...estech.com, linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] 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();

-- 
1.9.5