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authorMark Brown <broonie@opensource.wolfsonmicro.com>2012-10-25 17:36:02 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-10-25 17:36:02 +0100
commit456ba5a7802e58eccb5aa9751b3ab515ef99b9ca (patch)
tree4ca4dd3726b34dead51af13b67475af7bf857893 /arch/arm64/kernel/setup.c
parent05304949332c6d2c7b50f2d0f666a52369f09ced (diff)
parent79748cdb39dbf914bc5f26c75cfd5f91d84d82c9 (diff)
Merge remote-tracking branches 'asoc/fix/ux500' and 'asoc/fix/wm8994' into for-3.7
Diffstat (limited to 'arch/arm64/kernel/setup.c')
-rw-r--r--arch/arm64/kernel/setup.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 48ffb9fb3fe..7665a9bfdb1 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -170,7 +170,19 @@ static void __init setup_machine_fdt(phys_addr_t dt_phys)
void __init early_init_dt_add_memory_arch(u64 base, u64 size)
{
+ base &= PAGE_MASK;
size &= PAGE_MASK;
+ if (base + size < PHYS_OFFSET) {
+ pr_warning("Ignoring memory block 0x%llx - 0x%llx\n",
+ base, base + size);
+ return;
+ }
+ if (base < PHYS_OFFSET) {
+ pr_warning("Ignoring memory range 0x%llx - 0x%llx\n",
+ base, PHYS_OFFSET);
+ size -= PHYS_OFFSET - base;
+ base = PHYS_OFFSET;
+ }
memblock_add(base, size);
}