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dma-buf: heaps: Parameterize heap name in __add_cma_heap()

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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.

Reviewed-by: Maxime Ripard <mripard@kernel.org>
Acked-by: John Stultz <jstultz@google.com>
Signed-off-by: Jared Kangas <jkangas@redhat.com>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://lore.kernel.org/r/20250610131231.1724627-3-jkangas@redhat.com
This commit is contained in:
Jared Kangas 2025-06-10 06:12:30 -07:00 committed by Sumit Semwal
parent c2d636dc63
commit 86e59cc506
1 changed files with 11 additions and 7 deletions
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18
drivers/dma-buf/heaps/cma_heap.c
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@ -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");