diff options
author | Igor Opaniuk <igor.opaniuk@toradex.com> | 2020-11-19 11:32:30 +0200 |
---|---|---|
committer | Igor Opaniuk <igor.opaniuk@toradex.com> | 2020-11-19 11:32:30 +0200 |
commit | eaa149de4579cb86b511920ac269eccd1facfc83 (patch) | |
tree | 394e242dbfb006eb86e7c6e9d699e284adcf325e /drivers/of | |
parent | 43b625b3ab85828431966c350dc3f9132a51ac27 (diff) | |
parent | 685021f75fc48afaf6de76280a601316cde827c2 (diff) |
Merge commit '685021f75fc48afaf6de76280a601316cde827c2' into toradex_5.4-2.1.x-imx
Diffstat (limited to 'drivers/of')
-rw-r--r-- | drivers/of/of_reserved_mem.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index c8c0d4e3e162..2e0e82555824 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -219,6 +219,16 @@ static int __init __rmem_cmp(const void *a, const void *b) if (ra->base > rb->base) return 1; + /* + * Put the dynamic allocations (address == 0, size == 0) before static + * allocations at address 0x0 so that overlap detection works + * correctly. + */ + if (ra->size < rb->size) + return -1; + if (ra->size > rb->size) + return 1; + return 0; } @@ -236,8 +246,7 @@ static void __init __rmem_check_for_overlap(void) this = &reserved_mem[i]; next = &reserved_mem[i + 1]; - if (!(this->base && next->base)) - continue; + if (this->base + this->size > next->base) { phys_addr_t this_end, next_end; |