linux-kernel - [PATCH 3/4] MIPS: BMIPS: Remove special handling of CONFIG_MIPS_ELF_APPENDED

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Message-Id: <20180925180825.24659-4-yasha.che3@gmail.com>
Date:   Tue, 25 Sep 2018 21:08:24 +0300
From:   Yasha Cherikovsky <yasha.che3@...il.com>
To:     Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paul.burton@...s.com>,
        James Hogan <jhogan@...nel.org>, linux-mips@...ux-mips.org
Cc:     Yasha Cherikovsky <yasha.che3@...il.com>,
        Kevin Cernekee <cernekee@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] MIPS: BMIPS: Remove special handling of CONFIG_MIPS_ELF_APPENDED_DTB=y

The ELF appended dtb can be accessed now via 'fw_passed_dtb'.

Signed-off-by: Yasha Cherikovsky <yasha.che3@...il.com>
Cc: Kevin Cernekee <cernekee@...il.com>
Cc: Florian Fainelli <f.fainelli@...il.com>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: Paul Burton <paul.burton@...s.com>
Cc: James Hogan <jhogan@...nel.org>
Cc: linux-mips@...ux-mips.org
Cc: linux-kernel@...r.kernel.org
---
 arch/mips/bmips/setup.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/arch/mips/bmips/setup.c b/arch/mips/bmips/setup.c
index 3b6f687f177c..b71b6eaaf7ed 100644
--- a/arch/mips/bmips/setup.c
+++ b/arch/mips/bmips/setup.c
@@ -153,8 +153,6 @@ void __init plat_time_init(void)
 	mips_hpt_frequency = freq;
 }
 
-extern const char __appended_dtb;
-
 void __init plat_mem_setup(void)
 {
 	void *dtb;
@@ -164,15 +162,10 @@ void __init plat_mem_setup(void)
 	ioport_resource.start = 0;
 	ioport_resource.end = ~0;
 
-#ifdef CONFIG_MIPS_ELF_APPENDED_DTB
-	if (!fdt_check_header(&__appended_dtb))
-		dtb = (void *)&__appended_dtb;
-	else
-#endif
 	/* intended to somewhat resemble ARM; see Documentation/arm/Booting */
 	if (fw_arg0 == 0 && fw_arg1 == 0xffffffff)
 		dtb = phys_to_virt(fw_arg2);
-	else if (fw_passed_dtb) /* UHI interface */
+	else if (fw_passed_dtb) /* UHI interface or appended dtb */
 		dtb = (void *)fw_passed_dtb;
 	else if (__dtb_start != __dtb_end)
 		dtb = (void *)__dtb_start;
-- 
2.19.0