On 19-06-18, 15:11, Stanimir Varbanov wrote:
Hi Stan,
> On 06/19/2018 12:54 PM, Vinod Koul wrote:
> > rng->hwrng.name = KBUILD_MODNAME,
> > - rng->hwrng.init = msm_rng_init,
> > - rng->hwrng.cleanup = msm_rng_cleanup,
> > - rng->hwrng.read = msm_rng_read,
> > + rng->hwrng.read = msm_rng_read;
> > + skip_init = (unsigned long)of_device_get_match_data(&pdev->dev);
>
> skip_init is unsigned int, despite I think you don't need to cast it.
This is needed. of_device_get_match_data returns void *, so an explicit
cast is required for integer warning, otherwise it shows up as
-Wint-conversion warning
> > static const struct of_device_id msm_rng_of_match[] = {
> > - { .compatible = "qcom,prng", },
> > + { .compatible = "qcom,prng", .data = (void *)0},
> > + { .compatible = "qcom,prng-v2", .data = (void *)1},
>
> No need to cast. IMO it'd be better to create defines for these numbers:
again driver_data is void * and we need a cast
>
> #define PRNG_V1 0
> #define PRNG_V2 1
That can be done. Since it is more used as flag and not version number
here to skip init, it doesn't really mean versions now
Thanks
--
~Vinod
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