Re: [PATCH] hwrng: stm32 - fix build warning

Maxime Coquelin
2016-05-24T09:20:16Z

2016-05-24 10:58 GMT+02:00 Arnd Bergmann <arnd@arndb.de>:
> On Tuesday, May 24, 2016 10:50:17 AM CEST Maxime Coquelin wrote:
>> diff --git a/drivers/char/hw_random/stm32-rng.c
>> b/drivers/char/hw_random/stm32-rng.c
>> index 92a810648bd0..2a0fc90e4dc3 100644
>> --- a/drivers/char/hw_random/stm32-rng.c
>> +++ b/drivers/char/hw_random/stm32-rng.c
>> @@ -68,6 +68,10 @@ static int stm32_rng_read(struct hwrng *rng, void
>> *data, size_t max, bool wait)
>> } while (!sr && --timeout);
>> }
>>
>> + if (WARN_ONCE(sr & (RNG_SR_SEIS | RNG_SR_CEIS),
>> + "bad RNG status - %x\n", sr))
>> + writel_relaxed(0, priv->base + RNG_SR);
>> +
>> /* If error detected or data not ready... */
>> if (sr != RNG_SR_DRDY)
>> break;
>> @@ -79,10 +83,6 @@ static int stm32_rng_read(struct hwrng *rng, void
>> *data, size_t max, bool wait)
>> max -= sizeof(u32);
>> }
>>
>> - if (WARN_ONCE(sr & (RNG_SR_SEIS | RNG_SR_CEIS),
>> - "bad RNG status - %x\n", sr))
>> - writel_relaxed(0, priv->base + RNG_SR);
>> -
>> pm_runtime_mark_last_busy((struct device *) priv->rng.priv);
>> pm_runtime_put_sync_autosuspend((struct device *) priv->rng.priv);
>>
>> Thanks,
>>
>
> Yes, that looks good to me.

Thanks!
Sudip, do you want to send the patch, or I manage to do it?

Maxime