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arch: Make phys_initrd_start and phys_initrd_size global variables

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Make phys_initrd_start and phys_initrd_size global variables declared in
init/do_mounts_initrd.c such that we can later have generic code in
drivers/of/fdt.c populate those variables for us.

This requires both the ARM and unicore32 implementations to be properly
guarded against CONFIG_BLK_DEV_INITRD, and also initialize the variables
to the expected default values (unicore32).

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Florian Fainelli
2018-11-05 14:54:27 -08:00
committed by Rob Herring
parent cd5e0fa083
commit b1ab95c636
4 changed files with 15 additions and 6 deletions
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3
init/do_mounts_initrd.c
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@@ -16,6 +16,9 @@ int initrd_below_start_ok;
unsigned int real_root_dev; /* do_proc_dointvec cannot handle kdev_t */
static int __initdata mount_initrd = 1;
phys_addr_t phys_initrd_start __initdata;
unsigned long phys_initrd_size __initdata;
static int __init no_initrd(char *str)
{
mount_initrd = 0;