From d34eed2fb86b94757cdf26d6b0e31fa64a987f47 Mon Sep 17 00:00:00 2001 From: Quentin Perret Date: Wed, 12 May 2021 12:30:10 +0000 Subject: [PATCH] Revert "of/fdt: Make sure no-map does not remove already reserved regions" This reverts commit 74f2678aab60c9915daa83e6e23d31a896932d9d. It is not really a fix, and the backport misses dependencies, which breaks existing platforms. Reported-by: Alexandre TORGUE Signed-off-by: Quentin Perret Signed-off-by: Greg Kroah-Hartman --- drivers/of/fdt.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 21160a08ead4..aa15e5d183c1 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -1172,16 +1172,8 @@ int __init __weak early_init_dt_mark_hotplug_memory_arch(u64 base, u64 size) 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); }