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 X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9EB82C352A3 for ; Thu, 13 Feb 2020 06:18:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7B0D2218AC for ; Thu, 13 Feb 2020 06:18:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729474AbgBMGSW (ORCPT ); Thu, 13 Feb 2020 01:18:22 -0500 Received: from helcar.hmeau.com ([216.24.177.18]:37868 "EHLO deadmen.hmeau.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726368AbgBMGSW (ORCPT ); Thu, 13 Feb 2020 01:18:22 -0500 Received: from gondobar.mordor.me.apana.org.au ([192.168.128.4] helo=gondobar) by deadmen.hmeau.com with esmtps (Exim 4.89 #2 (Debian)) id 1j27pG-00036J-Tm; Thu, 13 Feb 2020 14:18:14 +0800 Received: from herbert by gondobar with local (Exim 4.89) (envelope-from ) id 1j27pB-0001Lh-02; Thu, 13 Feb 2020 14:18:09 +0800 Date: Thu, 13 Feb 2020 14:18:08 +0800 From: Herbert Xu To: Iuliana Prodan Cc: Baolin Wang , Ard Biesheuvel , Corentin Labbe , Horia Geanta , Maxime Coquelin , Alexandre Torgue , Maxime Ripard , Aymen Sghaier , "David S. Miller" , Silvano Di Ninno , Franck Lenormand , linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx Subject: Re: [PATCH v3 1/2] crypto: engine - support for parallel requests Message-ID: <20200213061808.t6udjbgskc2hs7sa@gondor.apana.org.au> References: <1581078974-14778-1-git-send-email-iuliana.prodan@nxp.com> <1581078974-14778-2-git-send-email-iuliana.prodan@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1581078974-14778-2-git-send-email-iuliana.prodan@nxp.com> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org On Fri, Feb 07, 2020 at 02:36:13PM +0200, Iuliana Prodan wrote: > > +start_request: > + /* If hardware is busy, do not send any request */ > + if (engine->can_enqueue_more) { > + if (!engine->can_enqueue_more(engine)) > + goto out; Instead of a driver callback I'd rather the driver called into the engine telling it to stop/start, similar to how net drivers work. Thanks, -- Email: Herbert Xu Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt