linux-kernel - Re: [PATCH] hwrng: iproc-rng200: Implement suspend and resume calls

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Message-ID: <ZN9G5cRPwXGmcw4W@gondor.apana.org.au>
Date:   Fri, 18 Aug 2023 18:24:37 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Florian Fainelli <florian.fainelli@...adcom.com>
Cc:     linux-kernel@...r.kernel.org, Olivia Mackall <olivia@...enic.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" 
        <linux-crypto@...r.kernel.org>,
        "moderated list:BROADCOM IPROC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] hwrng: iproc-rng200: Implement suspend and resume calls

On Thu, Aug 10, 2023 at 12:22:08PM -0700, Florian Fainelli wrote:
> Chips such as BCM7278 support system wide suspend/resume which will
> cause the HWRNG block to lose its state and reset to its power on reset
> register values. We need to cleanup and re-initialize the HWRNG for it
> to be functional coming out of a system suspend cycle.
> 
> Fixes: c3577f6100ca ("hwrng: iproc-rng200 - Add support for BCM7278")
> Signed-off-by: Florian Fainelli <florian.fainelli@...adcom.com>
> ---
>  drivers/char/hw_random/iproc-rng200.c | 25 +++++++++++++++++++++++++
>  1 file changed, 25 insertions(+)

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt