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=-9.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 38403C433E2 for ; Thu, 17 Sep 2020 08:09:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E1A6C2075B for ; Thu, 17 Sep 2020 08:09:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="xAhE3C+c" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726531AbgIQIIy (ORCPT ); Thu, 17 Sep 2020 04:08:54 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:57678 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726437AbgIQIHz (ORCPT ); Thu, 17 Sep 2020 04:07:55 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 08H7mHqx109021; Thu, 17 Sep 2020 02:48:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1600328897; bh=T4zQBPS1F2SXKrCt4rPxzEiQtYHMKcHNXfFU9SacdUY=; h=From:To:CC:Subject:Date; b=xAhE3C+cAQHtac4YoDsMwtQcNt8M0LKxmtd++no3kmyKBNCfsVUZ8OHvkv9sXz+N7 bP5C2A91APcljU33gsoFqt5vD43d8/OLXUHvhmfVSPp0o5vkr56t0DgPL2uvsLFofU vex5WDtgW+ivAuwzpF+wBZt+FqnJ3BNlDknK+/J0= Received: from DLEE114.ent.ti.com (dlee114.ent.ti.com [157.170.170.25]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08H7mHGK106397; Thu, 17 Sep 2020 02:48:17 -0500 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE114.ent.ti.com (157.170.170.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Thu, 17 Sep 2020 02:48:17 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DLEE112.ent.ti.com (157.170.170.23) 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; Thu, 17 Sep 2020 02:48:16 -0500 Received: from ula0132425.ent.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 08H7mEdr100359; Thu, 17 Sep 2020 02:48:14 -0500 From: Vignesh Raghavendra To: Vignesh Raghavendra CC: Miquel Raynal , Richard Weinberger , Sergei Shtylyov , , Subject: [PATCH 0/4] mtd: hyperbus: hbmc-am654: Add DMA support Date: Thu, 17 Sep 2020 13:17:45 +0530 Message-ID: <20200917074749.8957-1-vigneshr@ti.com> X-Mailer: git-send-email 2.28.0 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 This series add DMA support for reading data from HyperBus memory devices for TI's AM654/J721e SoCs With DMA there is ~5x improvement in read througput. Vignesh Raghavendra (4): mtd: hyperbus: Provide per device private pointer mtd: hyperbus: hbmc-am654: Fix direct mapping setup flash access mtd: hyperbus: hbmc-am654: Drop pm_runtime* calls from probe mtd: hyperbus: hbmc-am654: Add DMA support for reads drivers/mtd/hyperbus/hbmc-am654.c | 148 ++++++++++++++++++++++++++---- include/linux/mtd/hyperbus.h | 2 + 2 files changed, 134 insertions(+), 16 deletions(-) -- 2.28.0