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-rw-r--r--arch/arm64/include/asm/memory.h8
-rw-r--r--drivers/of/fdt.c15
2 files changed, 10 insertions, 13 deletions
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index b96442960aea..dc3ca21ba240 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -168,14 +168,6 @@
#define IOREMAP_MAX_ORDER (PMD_SHIFT)
#endif
-#ifdef CONFIG_BLK_DEV_INITRD
-#define __early_init_dt_declare_initrd(__start, __end) \
- do { \
- initrd_start = (__start); \
- initrd_end = (__end); \
- } while (0)
-#endif
-
#ifndef __ASSEMBLY__
#include <linux/bitops.h>
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 88760a0983a7..cd72a41fcab2 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -891,15 +891,20 @@ const void * __init of_flat_dt_match_machine(const void *default_match,
}
#ifdef CONFIG_BLK_DEV_INITRD
-#ifndef __early_init_dt_declare_initrd
static void __early_init_dt_declare_initrd(unsigned long start,
unsigned long end)
{
- initrd_start = (unsigned long)__va(start);
- initrd_end = (unsigned long)__va(end);
- initrd_below_start_ok = 1;
+ /* ARM64 would cause a BUG to occur here when CONFIG_DEBUG_VM is
+ * enabled since __va() is called too early. ARM64 does make use
+ * of phys_initrd_start/phys_initrd_size so we can skip this
+ * conversion.
+ */
+ if (!IS_ENABLED(CONFIG_ARM64)) {
+ initrd_start = (unsigned long)__va(start);
+ initrd_end = (unsigned long)__va(end);
+ initrd_below_start_ok = 1;
+ }
}
-#endif
/**
* early_init_dt_check_for_initrd - Decode initrd location from flat tree