[PATCH v2 1/2] dma-buf: heaps: Parameterize heap name in __add_cma_heap()
Jared Kangas
jkangas at redhat.com
Tue Apr 22 19:19:38 UTC 2025
Prepare for the introduction of a fixed-name CMA heap by replacing the
unused void pointer parameter in __add_cma_heap() with the heap name.
Signed-off-by: Jared Kangas <jkangas at redhat.com>
---
drivers/dma-buf/heaps/cma_heap.c | 18 +++++++++++-------
1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c
index 9512d050563a9..e998d8ccd1dc6 100644
--- a/drivers/dma-buf/heaps/cma_heap.c
+++ b/drivers/dma-buf/heaps/cma_heap.c
@@ -366,17 +366,17 @@ static const struct dma_heap_ops cma_heap_ops = {
.allocate = cma_heap_allocate,
};
-static int __init __add_cma_heap(struct cma *cma, void *data)
+static int __init __add_cma_heap(struct cma *cma, const char *name)
{
- struct cma_heap *cma_heap;
struct dma_heap_export_info exp_info;
+ struct cma_heap *cma_heap;
cma_heap = kzalloc(sizeof(*cma_heap), GFP_KERNEL);
if (!cma_heap)
return -ENOMEM;
cma_heap->cma = cma;
- exp_info.name = cma_get_name(cma);
+ exp_info.name = name;
exp_info.ops = &cma_heap_ops;
exp_info.priv = cma_heap;
@@ -394,12 +394,16 @@ static int __init __add_cma_heap(struct cma *cma, void *data)
static int __init add_default_cma_heap(void)
{
struct cma *default_cma = dev_get_cma_area(NULL);
- int ret = 0;
+ int ret;
- if (default_cma)
- ret = __add_cma_heap(default_cma, NULL);
+ if (!default_cma)
+ return 0;
- return ret;
+ ret = __add_cma_heap(default_cma, cma_get_name(default_cma));
+ if (ret)
+ return ret;
+
+ return 0;
}
module_init(add_default_cma_heap);
MODULE_DESCRIPTION("DMA-BUF CMA Heap");
--
2.49.0
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