On Mon, May 20, 2019 at 12:04:44AM +0800, Hsin-Yi Wang wrote: > Currently in arm64, FDT is mapped to RO before it's passed to > early_init_dt_scan(). However, there might be some code that needs > to modify FDT during init. Map FDT to RW until unflatten DT. typo in the subject. Otherwise, this one seems fine to me. > > Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx> > --- > change log v2->v4: > * v3 abandoned > * add an arg pgprot_t to fixmap_remap_fdt() > --- > arch/arm64/include/asm/mmu.h | 2 +- > arch/arm64/kernel/setup.c | 5 ++++- > arch/arm64/mm/mmu.c | 4 ++-- > 3 files changed, 7 insertions(+), 4 deletions(-)