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authorDmitry Torokhov <[email protected]>2022-08-02 10:06:12 -0700
committerDmitry Torokhov <[email protected]>2022-08-02 10:06:12 -0700
commit8bb5e7f4dcd9b9ef22a3ea25c9066a8a968f12dd (patch)
tree0f1383880607a227142f9388a066959926233ff1 /kernel/dma/contiguous.c
parent2a96271fb66c499e4a89d76a89d3d01170c10bef (diff)
parent7c744d00990ea999d27f306f6db5ccb61b1304b2 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.20 (or 6.0) merge window.
Diffstat (limited to 'kernel/dma/contiguous.c')
-rw-r--r--kernel/dma/contiguous.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/dma/contiguous.c b/kernel/dma/contiguous.c
index 3d63d91cba5c..6ea80ae42622 100644
--- a/kernel/dma/contiguous.c
+++ b/kernel/dma/contiguous.c
@@ -399,8 +399,6 @@ static const struct reserved_mem_ops rmem_cma_ops = {
static int __init rmem_cma_setup(struct reserved_mem *rmem)
{
- phys_addr_t align = PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order);
- phys_addr_t mask = align - 1;
unsigned long node = rmem->fdt_node;
bool default_cma = of_get_flat_dt_prop(node, "linux,cma-default", NULL);
struct cma *cma;
@@ -416,7 +414,7 @@ static int __init rmem_cma_setup(struct reserved_mem *rmem)
of_get_flat_dt_prop(node, "no-map", NULL))
return -EINVAL;
- if ((rmem->base & mask) || (rmem->size & mask)) {
+ if (!IS_ALIGNED(rmem->base | rmem->size, CMA_MIN_ALIGNMENT_BYTES)) {
pr_err("Reserved memory: incorrect alignment of CMA region\n");
return -EINVAL;
}