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author | Quentin Perret <qperret@google.com> | 2021-05-12 12:30:37 +0000 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-22 10:40:28 +0200 |
commit | 146fe282efc59c001bcf226bb35e93f34415ecc1 (patch) | |
tree | 464e3de8d9a8dc365d47d6d1a8454d82016c9131 | |
parent | 89e55e90c09c6e712c7254467c077802dfd99eaa (diff) | |
download | linux-stable-146fe282efc59c001bcf226bb35e93f34415ecc1.tar.gz linux-stable-146fe282efc59c001bcf226bb35e93f34415ecc1.tar.bz2 linux-stable-146fe282efc59c001bcf226bb35e93f34415ecc1.zip |
Revert "of/fdt: Make sure no-map does not remove already reserved regions"
This reverts commit 666ae7c255f9eb7a8fd8e55641542f3624a78b43.
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>
-rw-r--r-- | drivers/of/fdt.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 9054b8f218a7..f90b626269ab 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -1158,16 +1158,8 @@ void __init __weak early_init_dt_add_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); } |