crypto: stm32/hash - avoid error if maxburst not defined (a3d98b90) · Commits · 戴 / test

dma-maxburst is an optional value and must not return error in case of dma not used (or max-burst not defined). Signed-off-by:

drivers/crypto/stm32/stm32-hash.c

+6 −5

Original line number	Diff line number	Diff line
		@@ -1413,18 +1413,19 @@ MODULE_DEVICE_TABLE(of, stm32_hash_of_match);
		static int stm32_hash_get_of_match(struct stm32_hash_dev *hdev,
		struct device *dev)
		{
		int err;

		hdev->pdata = of_device_get_match_data(dev);
		if (!hdev->pdata) {
		dev_err(dev, "no compatible OF match\n");
		return -EINVAL;
		}

		err = of_property_read_u32(dev->of_node, "dma-maxburst",
		&hdev->dma_maxburst);
		if (of_property_read_u32(dev->of_node, "dma-maxburst",
		&hdev->dma_maxburst)) {
		dev_info(dev, "dma-maxburst not specified, using 0\n");
		hdev->dma_maxburst = 0;
		}

		return err;
		return 0;
		}

		static int stm32_hash_probe(struct platform_device *pdev)