linux-kernel - [PATCH 1/5] MIPS: generic: Do __dt_setup_arch in prom

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Message-Id: <20240507-cm_probe-v1-1-11dbfd598f3c@flygoat.com>
Date: Tue, 07 May 2024 10:01:49 +0100
From: Jiaxun Yang <jiaxun.yang@...goat.com>
To: Paul Burton <paulburton@...nel.org>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: [PATCH 1/5] MIPS: generic: Do __dt_setup_arch in prom_init

We want fdt parse functions to be available as early as possible,
thus do __dt_setup_arch immediately after we get fdt address in
prom_init.

Signed-off-by: Jiaxun Yang <jiaxun.yang@...goat.com>
---
 arch/mips/generic/init.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/mips/generic/init.c b/arch/mips/generic/init.c
index 1d712eac1617..9fd09061de78 100644
--- a/arch/mips/generic/init.c
+++ b/arch/mips/generic/init.c
@@ -26,8 +26,12 @@ static __initconst const void *mach_match_data;
 
 void __init prom_init(void)
 {
+	fw_init_cmdline();
 	plat_get_fdt();
 	BUG_ON(!fdt);
+	if (mach && mach->fixup_fdt)
+		fdt = mach->fixup_fdt(fdt, mach_match_data);
+	__dt_setup_arch((void *)fdt);
 }
 
 void __init *plat_get_fdt(void)
@@ -101,11 +105,6 @@ void __init plat_fdt_relocated(void *new_location)
 
 void __init plat_mem_setup(void)
 {
-	if (mach && mach->fixup_fdt)
-		fdt = mach->fixup_fdt(fdt, mach_match_data);
-
-	fw_init_cmdline();
-	__dt_setup_arch((void *)fdt);
 }
 
 void __init device_tree_init(void)

-- 
2.34.1