linux-kernel - Re: [PATCH v2 0/2] hwrng: Add support for qcpm v2 hwrng

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Date:   Thu, 21 Jun 2018 23:30:26 -0500
From:   Timur Tabi <timur@...eaurora.org>
To:     Vinod <vkoul@...nel.org>
Cc:     linux-crypto@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>,
        Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arm-msm@...r.kernel.org, Stephen Boyd <swboyd@...omium.org>
Subject: Re: [PATCH v2 0/2] hwrng: Add support for qcpm v2 hwrng

On 6/21/18 11:27 PM, Vinod wrote:
> I have checked the series.
> 
> I am not sure I follow that this is v2 and you read CONFIG register.
> Apart from that other changes look mostly okay with few nitpicks:)

It seems that there are two registers sets for v2 hardware, one with 
CONFIG and one without.  I just chose to support the one with.

> But there is a bigger concern raised by Herbert on this not being a true
> RNG and thus should be moved to crypto/

I've asked some of the crypto experts in Q to answer that question.

> I have the changes ready for that, I will test them later today and
> share with you, ACPI addition should be easy on that driver

Ok.  Feel free to just merge my ACPI changes into yours.  Technically, 
it's only a couple lines that are really ACPI-specific.

>> I will probably need you to test my patches as my last day at Qualcomm
>> is the 26th.
> Sad to hear that and good luck in your new adventure

Thanks.

-- 
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Technologies, Inc.  Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.