From patchwork Sun Nov 29 09:39:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ondrej Zary X-Patchwork-Id: 7718511 Return-Path: X-Original-To: patchwork-linux-scsi@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BE304BEEE1 for ; Sun, 29 Nov 2015 09:40:16 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E9D1820544 for ; Sun, 29 Nov 2015 09:40:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 12AC32053E for ; Sun, 29 Nov 2015 09:40:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752440AbbK2Jjz (ORCPT ); Sun, 29 Nov 2015 04:39:55 -0500 Received: from ns.gsystem.sk ([62.176.172.50]:58907 "EHLO gsystem.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752186AbbK2Jjx (ORCPT ); Sun, 29 Nov 2015 04:39:53 -0500 Received: from stip-static-68.213-81-217.telecom.sk ([213.81.217.68] helo=gsql.ggedos.sk) by gsystem.sk with esmtpsa (TLS1.1:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1a2yST-00086D-5A; Sun, 29 Nov 2015 10:39:49 +0100 From: Ondrej Zary To: Finn Thain , Michael Schmitz , linux-m68k@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 74/71] ncr5380: Enable PDMA for NCR53C400A Date: Sun, 29 Nov 2015 10:39:40 +0100 Message-Id: <1448789980-30094-2-git-send-email-linux@rainbow-software.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <20151118083455.331768508@telegraphics.com.au> References: <20151118083455.331768508@telegraphics.com.au> Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 Add I/O register mapping for NCR53C400A and enable PDMA mode to improve performance and fix non-working IRQ. Tested with HP C2502 (and user-space enabler). Signed-off-by: Ondrej Zary --- drivers/scsi/g_NCR5380.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c index ce444da..c3abe48 100644 --- a/drivers/scsi/g_NCR5380.c +++ b/drivers/scsi/g_NCR5380.c @@ -324,7 +324,10 @@ static int __init generic_NCR5380_detect(struct scsi_host_template *tpnt) #endif break; case BOARD_NCR53C400A: + flags = FLAG_NO_DMA_FIXUP; +#ifndef PSEUDO_DMA flags = FLAG_NO_PSEUDO_DMA; +#endif ports = ncr_53c400a_ports; break; case BOARD_DTC3181E: @@ -412,6 +415,11 @@ static int __init generic_NCR5380_detect(struct scsi_host_template *tpnt) hostdata->c400_blk_cnt = 1; hostdata->c400_host_buf = 4; } + if (overrides[current_override].board == BOARD_NCR53C400A) { + hostdata->c400_ctl_status = 9; + hostdata->c400_blk_cnt = 10; + hostdata->c400_host_buf = 8; + } #else instance->base = overrides[current_override].NCR5380_map_name; hostdata->iomem = iomem; @@ -425,7 +433,8 @@ static int __init generic_NCR5380_detect(struct scsi_host_template *tpnt) if (NCR5380_init(instance, flags)) goto out_unregister; - if (overrides[current_override].board == BOARD_NCR53C400) + if (overrides[current_override].board == BOARD_NCR53C400 || + overrides[current_override].board == BOARD_NCR53C400A) NCR5380_write(hostdata->c400_ctl_status, CSR_BASE); NCR5380_maybe_reset_bus(instance);