From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 133F2C05052 for ; Fri, 18 Aug 2023 10:26:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1359228AbjHRKZn (ORCPT ); Fri, 18 Aug 2023 06:25:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1358567AbjHRKYr (ORCPT ); Fri, 18 Aug 2023 06:24:47 -0400 Received: from 167-179-156-38.a7b39c.syd.nbn.aussiebb.net (167-179-156-38.a7b39c.syd.nbn.aussiebb.net [167.179.156.38]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 59AE62D65; Fri, 18 Aug 2023 03:24:46 -0700 (PDT) Received: from loth.rohan.me.apana.org.au ([192.168.167.2]) by formenos.hmeau.com with smtp (Exim 4.94.2 #2 (Debian)) id 1qWwej-005Gd9-4q; Fri, 18 Aug 2023 18:24:38 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Fri, 18 Aug 2023 18:24:37 +0800 Date: Fri, 18 Aug 2023 18:24:37 +0800 From: Herbert Xu To: Florian Fainelli Cc: linux-kernel@vger.kernel.org, Olivia Mackall , Ray Jui , Scott Branden , Broadcom internal kernel review list , "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" , "moderated list:BROADCOM IPROC ARM ARCHITECTURE" Subject: Re: [PATCH] hwrng: iproc-rng200: Implement suspend and resume calls Message-ID: References: <20230810192209.2611558-1-florian.fainelli@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230810192209.2611558-1-florian.fainelli@broadcom.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 > --- > drivers/char/hw_random/iproc-rng200.c | 25 +++++++++++++++++++++++++ > 1 file changed, 25 insertions(+) Patch applied. Thanks. -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt