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dmaengine: of: constify of_phandle_args in of_dma_find_controller()

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of_dma_find_controller() does not modify passed of_phandle_args so the
argument can be made pointer to const for code safety.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240208202742.631307-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2024-02-08 21:27:42 +01:00 committed by Vinod Koul
parent 16374aba82
commit 716141d366
1 changed files with 1 additions and 1 deletions
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2
drivers/dma/of-dma.c
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@ -29,7 +29,7 @@ static DEFINE_MUTEX(of_dma_lock);
* to the DMA data stored is retuned. A NULL pointer is returned if no match is
* found.
*/
static struct of_dma *of_dma_find_controller(struct of_phandle_args *dma_spec)
static struct of_dma *of_dma_find_controller(const struct of_phandle_args *dma_spec)
{
struct of_dma *ofdma;