linux-kernel - Re: [PATCH v3 2/4] hwrng: iproc-rng200: Add support for BCM2711

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Date:   Wed, 20 Nov 2019 06:52:47 +0200
From:   Baruch Siach <baruch@...s.co.il>
To:     Stephen Brennan <stephen@...nnan.io>,
        linux-arm-kernel@...ts.infradead.org
Cc:     stephen@...nnan.io, Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Scott Branden <sbranden@...adcom.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Ray Jui <rjui@...adcom.com>, linux-kernel@...r.kernel.org,
        Matthias Brugger <mbrugger@...e.com>,
        Eric Anholt <eric@...olt.net>,
        Rob Herring <robh+dt@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com,
        Stefan Wahren <wahrenst@....net>,
        Matt Mackall <mpm@...enic.com>, Arnd Bergmann <arnd@...db.de>,
        linux-crypto@...r.kernel.org
Subject: Re: [PATCH v3 2/4] hwrng: iproc-rng200: Add support for BCM2711

Hi Stephen, Stefan,

On Wed, Nov 20 2019, Stephen Brennan wrote:
> From: Stefan Wahren <wahrenst@....net>
>
> BCM2711 features a RNG200 hardware random number generator block.
> So make the driver available.
>
> Signed-off-by: Stefan Wahren <wahrenst@....net>
> Signed-off-by: Stephen Brennan <stephen@...nnan.io>
> Reviewed-by: Matthias Brugger <mbrugger@...e.com>
> ---
>  drivers/char/hw_random/Kconfig        | 2 +-
>  drivers/char/hw_random/iproc-rng200.c | 1 +
>  2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
> index 7c7fecfa2fb2..77e848fca531 100644
> --- a/drivers/char/hw_random/Kconfig
> +++ b/drivers/char/hw_random/Kconfig
> @@ -90,7 +90,7 @@ config HW_RANDOM_BCM2835
>  
>  config HW_RANDOM_IPROC_RNG200
>  	tristate "Broadcom iProc/STB RNG200 support"
> -	depends on ARCH_BCM_IPROC || ARCH_BRCMSTB
> +	depends on ARCH_BCM_IPROC || ARCH_BCM2835 || ARCH_BRCMSTB
>  	default HW_RANDOM
>  	---help---
>  	  This driver provides kernel-side support for the RNG200
> diff --git a/drivers/char/hw_random/iproc-rng200.c b/drivers/char/hw_random/iproc-rng200.c
> index 899ff25f4f28..32d9fe61a225 100644
> --- a/drivers/char/hw_random/iproc-rng200.c
> +++ b/drivers/char/hw_random/iproc-rng200.c
> @@ -213,6 +213,7 @@ static int iproc_rng200_probe(struct platform_device *pdev)
>  }
>  
>  static const struct of_device_id iproc_rng200_of_match[] = {
> +	{ .compatible = "brcm,bcm2711-rng200", },
>  	{ .compatible = "brcm,bcm7211-rng200", },

Again, duplicate of commit 1fa6d053b2a5.

>  	{ .compatible = "brcm,bcm7278-rng200", },
>  	{ .compatible = "brcm,iproc-rng200", },

baruch

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