crypto: sa2ul - add device links to child devices (fd92028e) · Commits · 戴 / test

The child devices for sa2ul (like the RNG) have hard dependency towards the parent, they can't function without the parent enabled. Add device link for this purpose so that the dependencies are taken care of properly. Signed-off-by:

Tero Kristo <t-kristo@ti.com> Signed-off-by:

Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/sa2ul.c

+11 −0

Original line number	Diff line number	Diff line
		@@ -2302,6 +2302,15 @@ err_dma_tx:
		return ret;
		}

		static int sa_link_child(struct device dev, void data)
		{
		struct device *parent = data;

		device_link_add(dev, parent, DL_FLAG_AUTOPROBE_CONSUMER);

		return 0;
		}

		static int sa_ul_probe(struct platform_device *pdev)
		{
		struct device *dev = &pdev->dev;
		@@ -2352,6 +2361,8 @@ static int sa_ul_probe(struct platform_device *pdev)
		if (ret)
		goto release_dma;

		device_for_each_child(&pdev->dev, &pdev->dev, sa_link_child);

		return 0;

		release_dma:

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