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crypto: sa2ul - add device links to child devices

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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>
This commit is contained in:
Tero Kristo 2020-07-13 11:34:25 +03:00 • committed by Herbert Xu
parent d2c8ac187f
commit fd92028e4c
1 changed files with 11 additions and 0 deletions
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11
drivers/crypto/sa2ul.c
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@ -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: