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authorSakari Ailus <sakari.ailus@linux.intel.com>2025-04-10 18:22:38 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2025-04-16 15:16:22 +0800
commitc2c460c30af5240d1894692306aa3a2377964f9e (patch)
tree5f69f9abf99eab0418e34540890082fbf5cce0ed /drivers/char/hw_random
parent695912e619ee3945075af2de248e1e0fcef94a57 (diff)
downloadlinux-next-c2c460c30af5240d1894692306aa3a2377964f9e.tar.gz
linux-next-c2c460c30af5240d1894692306aa3a2377964f9e.zip
hwrng: mtk - Add struct device pointer to device context struct
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>
Diffstat (limited to 'drivers/char/hw_random')
-rw-r--r--drivers/char/hw_random/mtk-rng.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c
index 1e3048f2bb38..b7fa1bc1122b 100644
--- a/drivers/char/hw_random/mtk-rng.c
+++ b/drivers/char/hw_random/mtk-rng.c
@@ -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");