diff options
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/of_reserved_mem.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c index 49703916a30e..be77e75c587d 100644 --- a/drivers/of/of_reserved_mem.c +++ b/drivers/of/of_reserved_mem.c @@ -124,6 +124,10 @@ static int __init __reserved_mem_alloc_size(unsigned long node, align = dt_mem_next_cell(dt_root_addr_cells, &prop); } + /* Need adjust the alignment to satisfy the CMA requirement */ + if (IS_ENABLED(CONFIG_CMA) && of_flat_dt_is_compatible(node, "shared-dma-pool")) + align = max(align, (phys_addr_t)PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order)); + prop = of_get_flat_dt_prop(node, "alloc-ranges", &len); if (prop) { |