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authorQuentin Perret <qperret@google.com>2021-05-12 12:30:10 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-05-22 10:59:39 +0200
commitd34eed2fb86b94757cdf26d6b0e31fa64a987f47 (patch)
tree7850bb0496d89bf824bb8640d8ea215d590c7e9e /drivers
parent59339c866e0428fb92bfb3f5290c49a5325d2494 (diff)
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 <alexandre.torgue@foss.st.com> Signed-off-by: Quentin Perret <qperret@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/of/fdt.c10
1 files changed, 1 insertions, 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);
}