From patchwork Sun Oct 18 16:24:01 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Russell King X-Patchwork-Id: 7430901 X-Patchwork-Delegate: herbert@gondor.apana.org.au Return-Path: X-Original-To: patchwork-linux-crypto@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id D70639F302 for ; Sun, 18 Oct 2015 16:24:18 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E48162061E for ; Sun, 18 Oct 2015 16:24:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E93F6205EC for ; Sun, 18 Oct 2015 16:24:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932101AbbJRQYQ (ORCPT ); Sun, 18 Oct 2015 12:24:16 -0400 Received: from pandora.arm.linux.org.uk ([78.32.30.218]:45232 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932094AbbJRQYP (ORCPT ); Sun, 18 Oct 2015 12:24:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=arm.linux.org.uk; s=pandora-2014; h=Date:Sender:Message-Id:Content-Type:Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:References:In-Reply-To; bh=npfTKXDYd8DJUVP/rz4ieq8eml6ca244vy8vm3MIFTM=; b=hu06TQO3xikqCnZQ9S6m/QChZFHokgxAAPxXo0aYerWqIFeF23qVorZ4HGXBOXKno+c4QA/JI+puIkGCTthGwWXPAO0KNXRmom6ajs2dMIFZdeoybgI/ZsF9nTE1xqIWqr6LLSvMSrNojno1lea2qz5vjhT6EvJ+MR9cDBQXvRw=; Received: from e0022681537dd.dyn.arm.linux.org.uk ([2001:4d48:ad52:3201:222:68ff:fe15:37dd]:38071 helo=rmk-PC.arm.linux.org.uk) by pandora.arm.linux.org.uk with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1Znqke-0002ia-GG; Sun, 18 Oct 2015 17:24:04 +0100 Received: from rmk by rmk-PC.arm.linux.org.uk with local (Exim 4.82_1-5b7a7c0-XX) (envelope-from ) id 1Znqkb-0005Wk-CF; Sun, 18 Oct 2015 17:24:01 +0100 In-Reply-To: <20151018161649.GA6651@n2100.arm.linux.org.uk> References: <20151018161649.GA6651@n2100.arm.linux.org.uk> From: Russell King To: Boris Brezillon , Arnaud Ebalard , Thomas Petazzoni , Jason Cooper Cc: Herbert Xu , "David S. Miller" , linux-crypto@vger.kernel.org Subject: [PATCH 07/18] crypto: marvell: factor out first fragment decisions to helper MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Sun, 18 Oct 2015 17:24:01 +0100 Sender: linux-crypto-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Multiple locations in the driver test the operation context fragment type, checking whether it is a first fragment or not. Introduce a mv_cesa_mac_op_is_first_frag() helper, which returns true if the fragment operation is for a first fragment. Signed-off-by: Russell King --- drivers/crypto/marvell/cesa.h | 6 ++++++ drivers/crypto/marvell/hash.c | 9 +++------ 2 files changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/crypto/marvell/cesa.h b/drivers/crypto/marvell/cesa.h index cd646d7c14e2..e9f732138ba3 100644 --- a/drivers/crypto/marvell/cesa.h +++ b/drivers/crypto/marvell/cesa.h @@ -686,6 +686,12 @@ static inline u32 mv_cesa_get_int_mask(struct mv_cesa_engine *engine) return engine->int_mask; } +static inline bool mv_cesa_mac_op_is_first_frag(const struct mv_cesa_op_ctx *op) +{ + return (mv_cesa_get_op_cfg(op) & CESA_SA_DESC_CFG_FRAG_MSK) == + CESA_SA_DESC_CFG_FIRST_FRAG; +} + int mv_cesa_queue_req(struct crypto_async_request *req); /* diff --git a/drivers/crypto/marvell/hash.c b/drivers/crypto/marvell/hash.c index 82d9e3d09331..938ecfeb8ffe 100644 --- a/drivers/crypto/marvell/hash.c +++ b/drivers/crypto/marvell/hash.c @@ -524,8 +524,7 @@ mv_cesa_ahash_dma_add_data(struct mv_cesa_tdma_chain *chain, mv_cesa_set_mac_op_frag_len(op, dma_iter->base.op_len); - if ((mv_cesa_get_op_cfg(&creq->op_tmpl) & CESA_SA_DESC_CFG_FRAG_MSK) == - CESA_SA_DESC_CFG_FIRST_FRAG) + if (mv_cesa_mac_op_is_first_frag(&creq->op_tmpl)) mv_cesa_update_op_cfg(&creq->op_tmpl, CESA_SA_DESC_CFG_MID_FRAG, CESA_SA_DESC_CFG_FRAG_MSK); @@ -561,8 +560,7 @@ mv_cesa_ahash_dma_last_req(struct mv_cesa_tdma_chain *chain, if (op && creq->len <= CESA_SA_DESC_MAC_SRC_TOTAL_LEN_MAX) { u32 frag = CESA_SA_DESC_CFG_NOT_FRAG; - if ((mv_cesa_get_op_cfg(op) & CESA_SA_DESC_CFG_FRAG_MSK) != - CESA_SA_DESC_CFG_FIRST_FRAG) + if (!mv_cesa_mac_op_is_first_frag(op)) frag = CESA_SA_DESC_CFG_LAST_FRAG; mv_cesa_update_op_cfg(op, frag, CESA_SA_DESC_CFG_FRAG_MSK); @@ -600,8 +598,7 @@ mv_cesa_ahash_dma_last_req(struct mv_cesa_tdma_chain *chain, if (padoff >= trailerlen) return op; - if ((mv_cesa_get_op_cfg(&creq->op_tmpl) & CESA_SA_DESC_CFG_FRAG_MSK) != - CESA_SA_DESC_CFG_FIRST_FRAG) + if (!mv_cesa_mac_op_is_first_frag(&creq->op_tmpl)) mv_cesa_update_op_cfg(&creq->op_tmpl, CESA_SA_DESC_CFG_MID_FRAG, CESA_SA_DESC_CFG_FRAG_MSK);