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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 1A448C4361B for ; Mon, 14 Dec 2020 08:13:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C9751229C7 for ; Mon, 14 Dec 2020 08:13:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439118AbgLNINe (ORCPT ); Mon, 14 Dec 2020 03:13:34 -0500 Received: from fllv0016.ext.ti.com ([198.47.19.142]:33984 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2439067AbgLNINI (ORCPT ); Mon, 14 Dec 2020 03:13:08 -0500 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0BE8CB2G080597; Mon, 14 Dec 2020 02:12:11 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1607933531; bh=htOduzL7vjGqrjWzTT7IHR0XQC3lDFvtir2HfpFW3wU=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=XWHIhS+PPzQ+jN65m5gyiuJeAt3nI7m5aLkcihufZvNJfRgIqtqLT4IsMwpLllQ+Q tfoiRBnQE2HY9qGy/D2WtpFNyvW4a4aYYZmnLEpsHOsp6dDvHGCXPHyMpgs03/OQ4r Ka+n0YQ3+tk77+SvcaOtr+AqqJyhA0QeKqv7BJD4= Received: from DFLE106.ent.ti.com (dfle106.ent.ti.com [10.64.6.27]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0BE8CB0X030744 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 14 Dec 2020 02:12:11 -0600 Received: from DFLE102.ent.ti.com (10.64.6.23) by DFLE106.ent.ti.com (10.64.6.27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Mon, 14 Dec 2020 02:12:10 -0600 Received: from fllv0040.itg.ti.com (10.64.41.20) by DFLE102.ent.ti.com (10.64.6.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Mon, 14 Dec 2020 02:12:10 -0600 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0BE8C6DK065906; Mon, 14 Dec 2020 02:12:09 -0600 From: Peter Ujfalusi To: CC: , , , , , Subject: [PATCH 1/2] dmaengine: Extend the dmaengine_alignment for 128 and 256 bytes Date: Mon, 14 Dec 2020 10:13:09 +0200 Message-ID: <20201214081310.10746-2-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201214081310.10746-1-peter.ujfalusi@ti.com> References: <20201214081310.10746-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some DMA device can benefit with higher order of alignment than the maximum of 64 bytes currently defined. Define 128 and 256 bytes alignment for these devices. Signed-off-by: Peter Ujfalusi --- include/linux/dmaengine.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 68130f5f599e..004736b6a9c8 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -745,6 +745,8 @@ enum dmaengine_alignment { DMAENGINE_ALIGN_16_BYTES = 4, DMAENGINE_ALIGN_32_BYTES = 5, DMAENGINE_ALIGN_64_BYTES = 6, + DMAENGINE_ALIGN_128_BYTES = 7, + DMAENGINE_ALIGN_256_BYTES = 8, }; /** -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki