From: Quentin Perret qperret@google.com
This reverts commit 74f2678aab60c9915daa83e6e23d31a896932d9d. It is not really a fix, and the backport misses dependencies, which breaks existing platforms.
Reported-by: Alexandre TORGUE alexandre.torgue@foss.st.com Signed-off-by: Quentin Perret qperret@google.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/of/fdt.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-)
--- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -1172,16 +1172,8 @@ int __init __weak early_init_dt_mark_hot int __init __weak early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size, bool nomap) { - if (nomap) { - /* - * If the memory is already reserved (by another region), we - * should not allow it to be marked nomap. - */ - if (memblock_is_region_reserved(base, size)) - return -EBUSY; - + if (nomap) return memblock_mark_nomap(base, size); - } return memblock_reserve(base, size); }