From: Ard Biesheuvel <ardb@kernel.org>
To: Hadar Gat <Hadar.Gat@arm.com>
Cc: Matt Mackall <mpm@selenic.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Arnd Bergmann <arnd@arndb.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Krzysztof Kozlowski <krzk@kernel.org>,
Stefan Wahren <wahrenst@gmx.net>, Zaibo Xu <xuzaibo@huawei.com>,
Tomer Maimon <tmaimon77@gmail.com>,
Randy Dunlap <rdunlap@infradead.org>,
Linux Crypto Mailing List <linux-crypto@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Gilad Ben-Yossef <gilad@benyossef.com>,
Ofir Drang <Ofir.Drang@arm.com>, nd <nd@arm.com>
Subject: Re: [PATCH 1/3] hwrng: cctrng - Add dependency on OF
Date: Mon, 27 Apr 2020 09:24:15 +0200 [thread overview]
Message-ID: <CAMj1kXFL7e9_=vax0t0YBEzk+hc-d1v0oGVnFO1mfmNPCDaEcQ@mail.gmail.com> (raw)
In-Reply-To: <DB6PR0802MB253304D0FE37A3C99C1A1E4CE9AF0@DB6PR0802MB2533.eurprd08.prod.outlook.com>
On Mon, 27 Apr 2020 at 09:23, Hadar Gat <Hadar.Gat@arm.com> wrote:
>
>
> > -----Original Message-----
> > From: Ard Biesheuvel <ardb@kernel.org>
> >
> > On Mon, 27 Apr 2020 at 07:42, Hadar Gat <hadar.gat@arm.com> wrote:
> > >
> > > The cctrng is unusable on non-DT systems so we should depend on it.
> > >
> > > Signed-off-by: Hadar Gat <hadar.gat@arm.com>
> > > ---
> > > drivers/char/hw_random/Kconfig | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/drivers/char/hw_random/Kconfig
> > > b/drivers/char/hw_random/Kconfig index 0c99735..df2d001 100644
> > > --- a/drivers/char/hw_random/Kconfig
> > > +++ b/drivers/char/hw_random/Kconfig
> > > @@ -476,7 +476,7 @@ config HW_RANDOM_KEYSTONE
> > >
> > > config HW_RANDOM_CCTRNG
> > > tristate "Arm CryptoCell True Random Number Generator support"
> > > - depends on HAS_IOMEM
> > > + depends on HAS_IOMEM & OF
> >
> > Does your driver in fact depend on CONFIG_HAS_IOMEM ?
>
> Yes, it uses devm_ioremap_resource() for registers mapping.
>
Fair enough
next prev parent reply other threads:[~2020-04-27 7:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-27 5:41 [PATCH 0/3] hwrng: cctrng kconfig updates Hadar Gat
2020-04-27 5:41 ` [PATCH 1/3] hwrng: cctrng - Add dependency on OF Hadar Gat
2020-04-27 6:58 ` Ard Biesheuvel
2020-04-27 7:23 ` Hadar Gat
2020-04-27 7:24 ` Ard Biesheuvel [this message]
2020-04-27 21:48 ` kbuild test robot
2020-04-27 5:41 ` [PATCH 2/3] hwrng: cctrng - change default to n Hadar Gat
2020-04-27 6:59 ` Ard Biesheuvel
2020-04-27 7:26 ` Hadar Gat
2020-04-27 8:19 ` Arnd Bergmann
2020-04-27 8:56 ` Hadar Gat
2020-04-27 5:41 ` [PATCH 3/3] hwrng: cctrng - update help description Hadar Gat
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