linux-kernel - [PATCH 2/6] arch: Make phys_initrd_start and phys_initrd

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Date:   Mon, 29 Oct 2018 16:52:02 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Marc Zyngier <marc.zyngier@....com>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Robin Murphy <robin.murphy@....com>,
        Laura Abbott <labbott@...hat.com>,
        Stefan Agner <stefan@...er.ch>,
        Johannes Weiner <hannes@...xchg.org>,
        Greg Hackmann <ghackmann@...roid.com>,
        Kristina Martsenko <kristina.martsenko@....com>,
        CHANDAN VN <chandan.vn@...sung.com>,
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM64 PORT
        (AARCH64 ARCHITECTURE)),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE), rppt@...ux.ibm.com, linux@...linux.org.uk,
        green.hu@...il.com, deanbo422@...il.com, gxt@....edu.cn,
        ard.biesheuvel@...aro.org
Subject: [PATCH 2/6] arch: Make phys_initrd_start and phys_initrd_size global variables

Make phys_initrd_start and phys_initrd_size global variables that will
later be referenced by generic code under drivers/of/fdt.c.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 arch/arm/mm/init.c       | 4 ++--
 arch/unicore32/mm/init.c | 4 ++--
 include/linux/initrd.h   | 3 +++
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 0cc8e04295a4..8f364aa24172 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -51,8 +51,8 @@ unsigned long __init __clear_cr(unsigned long mask)
 }
 #endif
 
-static phys_addr_t phys_initrd_start __initdata = 0;
-static unsigned long phys_initrd_size __initdata = 0;
+phys_addr_t phys_initrd_start __initdata = 0;
+unsigned long phys_initrd_size __initdata = 0;
 
 static int __init early_initrd(char *p)
 {
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index 8f8699e62bd5..4dd26d6f02e5 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -31,8 +31,8 @@
 
 #include "mm.h"
 
-static unsigned long phys_initrd_start __initdata = 0x01000000;
-static unsigned long phys_initrd_size __initdata = SZ_8M;
+phys_addr_t phys_initrd_start __initdata = 0x01000000;
+unsigned long phys_initrd_size __initdata = SZ_8M;
 
 static int __init early_initrd(char *p)
 {
diff --git a/include/linux/initrd.h b/include/linux/initrd.h
index 84b423044088..14beaff9b445 100644
--- a/include/linux/initrd.h
+++ b/include/linux/initrd.h
@@ -21,4 +21,7 @@ extern int initrd_below_start_ok;
 extern unsigned long initrd_start, initrd_end;
 extern void free_initrd_mem(unsigned long, unsigned long);
 
+extern phys_addr_t phys_initrd_start;
+extern unsigned long phys_initrd_size;
+
 extern unsigned int real_root_dev;
-- 
2.17.1