[PATCH 2/2] hwrng: stm32 - cache device pointer in struct stm32_rng_private
Gatien CHEVALLIER
gatien.chevallier at foss.st.com
Thu May 16 04:47:13 PDT 2024
On 5/16/24 12:52, Marek Vasut wrote:
> On 5/16/24 11:37 AM, Gatien CHEVALLIER wrote:
>
> Hi,
>
>>> diff --git a/drivers/char/hw_random/stm32-rng.c
>>> b/drivers/char/hw_random/stm32-rng.c
>>> index 6dec4adc49853..00012e6e4ccc8 100644
>>> --- a/drivers/char/hw_random/stm32-rng.c
>>> +++ b/drivers/char/hw_random/stm32-rng.c
>>> @@ -70,6 +70,7 @@ struct stm32_rng_config {
>>> struct stm32_rng_private {
>>> struct hwrng rng;
>>> + struct device *dev;
>>> void __iomem *base;
>>> struct clk *clk;
>>> struct reset_control *rst;
>>> @@ -99,7 +100,7 @@ struct stm32_rng_private {
>>> */
>>> static int stm32_rng_conceal_seed_error_cond_reset(struct
>>> stm32_rng_private *priv)
>>> {
>>> - struct device *dev = (struct device *)priv->rng.priv;
>>> + struct device *dev = priv->dev;
>>> u32 sr = readl_relaxed(priv->base + RNG_SR);
>>> u32 cr = readl_relaxed(priv->base + RNG_CR);
>>> int err;
>>> @@ -171,7 +172,7 @@ static int stm32_rng_conceal_seed_error(struct
>>> hwrng *rng)
>>> {
>>> struct stm32_rng_private *priv = container_of(rng, struct
>>> stm32_rng_private, rng);
>>> - dev_dbg((struct device *)priv->rng.priv, "Concealing seed
>>> error\n");
>>> + dev_dbg(priv->dev, "Concealing seed error\n");
>>> if (priv->data->has_cond_reset)
>>> return stm32_rng_conceal_seed_error_cond_reset(priv);
>>> @@ -187,7 +188,7 @@ static int stm32_rng_read(struct hwrng *rng, void
>>> *data, size_t max, bool wait)
>>> int retval = 0, err = 0;
>>> u32 sr;
>>> - retval = pm_runtime_resume_and_get((struct device
>>> *)priv->rng.priv);
>>> + retval = pm_runtime_resume_and_get(priv->dev);
>>> if (retval)
>>> return retval;
>>> @@ -206,7 +207,7 @@ static int stm32_rng_read(struct hwrng *rng, void
>>> *data, size_t max, bool wait)
>>> sr, sr,
>>> 10, 50000);
>>> if (err) {
>>> - dev_err((struct device *)priv->rng.priv,
>>> + dev_err(priv->dev,
>>> "%s: timeout %x!\n", __func__, sr);
>>
>> Nit: Fits in one line
>
> The limit is now 100 instead of 80 chars, right ?
>
> btw I found one more and fixed it.
Yes it is,
thanks
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