linux-kernel - Re: hwrng: pasemi_rng.c: Migrate to managed API

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Date:   Thu, 1 Sep 2016 12:29:47 +0530
From:   PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>
To:     Darren Stevens <darren@...vens-zone.net>
Cc:     Herbert Xu <herbert@...dor.apana.org.au>,
        linux-kernel@...r.kernel.org,
        LABBE Corentin <clabbe.montjoie@...il.com>,
        linux-crypto@...r.kernel.org, mpm@...enic.com, olof@...om.net,
        linuxppc-dev@...ts.ozlabs.org
Subject: Re: hwrng: pasemi_rng.c: Migrate to managed API

> I didn't explain well, There is a CFE command 'show devtree' here's the
> relevant bits (I Hope)

This is much simple than I expected.

> [CFE ]CFE> show devtree
> [/]
>  | #interrupt-cells                 val   0x00000002
>  | #address-cells                   val   0x00000002
>  | #size-cells                      val   0x00000002
>
> ...[snip]...
>
>    [sdc@...00000]
>     | name                          str   'sdc'
>     | device_type                   str   'sdc'
>     | #address-cells                val   0x00000001
>     | #size-cells                   val   0x00000001
>     | compatible                    str   '1682m-sdc' 'pasemi,pwrficient-sdc'
> 'pasemi,sdc'
>     | reg                           cell  00000000 FC000000 00000000 00800000
>
> ...[snip]...
>
>       [rng@...05000]
>        | name                       str   'rng'
>        | device_type                str   'rng'
>        | compatible                 str   '1682m-rng' 'pasemi,pwrficient-rng'
> 'pasemi,rng'
>        | reg                        cell  FC105000 00001000
>

Device tree provided by CFE has the size. I will send another patch
which uses devm_ioremap_resource().

Appreciate your help. Thank you :).