@@ -51,9 +51,7 @@ 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;
-
+#ifdef CONFIG_BLK_DEV_INITRD
static int __init early_initrd(char *p)
{
phys_addr_t start;
@@ -90,6 +88,7 @@ static int __init parse_tag_initrd2(const struct tag *tag)
}
__tagtable(ATAG_INITRD2, parse_tag_initrd2);
+#endif
static void __init find_limits(unsigned long *min, unsigned long *max_low,
unsigned long *max_high)
@@ -31,9 +31,7 @@
#include "mm.h"
-static unsigned long phys_initrd_start __initdata = 0x01000000;
-static unsigned long phys_initrd_size __initdata = SZ_8M;
-
+#ifdef CONFIG_BLK_DEV_INITRD
static int __init early_initrd(char *p)
{
unsigned long start, size;
@@ -49,6 +47,7 @@ static int __init early_initrd(char *p)
return 0;
}
early_param("initrd", early_initrd);
+#endif
/*
* This keeps memory configuration data used by a couple memory
@@ -157,6 +156,11 @@ void __init uc32_memblock_init(struct meminfo *mi)
memblock_reserve(__pa(_text), _end - _text);
#ifdef CONFIG_BLK_DEV_INITRD
+ if (!phys_initrd_size) {
+ phys_initrd_start = 0x01000000;
+ phys_initrd_size = SZ_8M;
+ }
+
if (phys_initrd_size) {
memblock_reserve(phys_initrd_start, phys_initrd_size);
@@ -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;
@@ -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;
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> --- arch/arm/mm/init.c | 5 ++--- arch/unicore32/mm/init.c | 10 +++++++--- include/linux/initrd.h | 3 +++ init/do_mounts_initrd.c | 3 +++ 4 files changed, 15 insertions(+), 6 deletions(-)