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

[Maxime Coquelin]

2016-05-24 10:58 GMT+02:00 Arnd Bergmann <arnd@xxxxxxxx>:
> 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