linux-kernel - RE: Arm CryptoCell driver -- default Y, even on machines where it is obviously useless

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Message-ID: <DB6PR0802MB2533670AFC1473E5C5EDAD28E9D60@DB6PR0802MB2533.eurprd08.prod.outlook.com>
Date:   Sat, 18 Apr 2020 20:31:00 +0000
From:   Hadar Gat <Hadar.Gat@....com>
To:     Pavel Machek <pavel@....cz>,
        kernel list <linux-kernel@...r.kernel.org>,
        "herbert@...dor.apana.org.au" <herbert@...dor.apana.org.au>
CC:     Ofir Drang <Ofir.Drang@....com>,
        Gilad Ben Yossef <Gilad.BenYossef@....com>, nd <nd@....com>
Subject: RE: Arm CryptoCell driver -- default Y, even on machines where it is
 obviously useless

Hi Pavel,
I think you got it right..
Indeed, Arm CryptoCell CCTRNG driver couldn't be used and obviously useless if the Arm CryptoCell HW does not exist in the system.
BR,
Hadar

> -----Original Message-----
> From: Pavel Machek <pavel@....cz>
> Sent: Saturday, 18 April 2020 13:44
> To: kernel list <linux-kernel@...r.kernel.org>; Hadar Gat
> <Hadar.Gat@....com>; herbert@...dor.apana.org.au
> Subject: Arm CryptoCell driver -- default Y, even on machines where it is
> obviously useless
> 
> Hi!
> 
> I'm configuring kernel for x86, and I get offered HW_RANDOM_CCTRNG with
> default=Y, and help text suggesting I should enable it.
> 
> That's... two wrong suggestions, right?
> 
> Best regards,
> 									Pavel
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures)
> http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html