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hwrng: mtk - Add struct device pointer to device context struct

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Add a struct device pointer field to the device's context struct. This
makes using the unsigned long priv pointer in struct hwrng unnecessary, so
remove that one as well.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Sakari Ailus 2025-04-10 18:22:38 +03:00 committed by Herbert Xu
parent 695912e619
commit c2c460c30a
1 changed files with 5 additions and 4 deletions
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9
drivers/char/hw_random/mtk-rng.c
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@ -36,6 +36,7 @@ struct mtk_rng {
void __iomem *base;
struct clk *clk;
struct hwrng rng;
struct device *dev;
};
static int mtk_rng_init(struct hwrng *rng)
@ -85,7 +86,7 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
struct mtk_rng *priv = to_mtk_rng(rng);
int retval = 0;
pm_runtime_get_sync((struct device *)priv->rng.priv);
pm_runtime_get_sync(priv->dev);
while (max >= sizeof(u32)) {
if (!mtk_rng_wait_ready(rng, wait))
@ -97,8 +98,8 @@ static int mtk_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
max -= sizeof(u32);
}
pm_runtime_mark_last_busy((struct device *)priv->rng.priv);
pm_runtime_put_sync_autosuspend((struct device *)priv->rng.priv);
pm_runtime_mark_last_busy(priv->dev);
pm_runtime_put_sync_autosuspend(priv->dev);
return retval || !wait ? retval : -EIO;
}
@ -112,13 +113,13 @@ static int mtk_rng_probe(struct platform_device *pdev)
if (!priv)
return -ENOMEM;
priv->dev = &pdev->dev;
priv->rng.name = pdev->name;
#ifndef CONFIG_PM
priv->rng.init = mtk_rng_init;
priv->rng.cleanup = mtk_rng_cleanup;
#endif
priv->rng.read = mtk_rng_read;
priv->rng.priv = (unsigned long)&pdev->dev;
priv->rng.quality = 900;
priv->clk = devm_clk_get(&pdev->dev, "rng");