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 20AD5C61DA4 for ; Thu, 9 Mar 2023 10:00:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229705AbjCIKAQ (ORCPT ); Thu, 9 Mar 2023 05:00:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229767AbjCIKAP (ORCPT ); Thu, 9 Mar 2023 05:00:15 -0500 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 74EF680E17; Thu, 9 Mar 2023 02:00:13 -0800 (PST) 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 1paD3u-0024l4-Cj; Thu, 09 Mar 2023 17:59:51 +0800 Received: by loth.rohan.me.apana.org.au (sSMTP sendmail emulation); Thu, 09 Mar 2023 17:59:50 +0800 Date: Thu, 9 Mar 2023 17:59:50 +0800 From: Herbert Xu To: Linus Walleij Cc: Lionel Debieve , Li kunyu , davem@davemloft.net, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, mcoquelin.stm32@gmail.com Subject: Re: [v5 PATCH 7/7] crypto: stm32 - Save and restore between each request Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Thu, Mar 09, 2023 at 08:35:21AM +0100, Linus Walleij wrote: > > The way I interpret it is that if you write 64 bytes (16 32bit words) > the AHB bus will simply > stall until the data is processed, so the writel() hangs there and > then 66/82 bus cycles > later it will continue. You're right. I'll respin the patches with your updates in it. Thanks, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt