Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756550AbbLDVCO (ORCPT ); Fri, 4 Dec 2015 16:02:14 -0500 Received: from ns.gsystem.sk ([62.176.172.50]:60651 "EHLO gsystem.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754595AbbLDVCN (ORCPT ); Fri, 4 Dec 2015 16:02:13 -0500 From: Ondrej Zary To: Finn Thain , Michael Schmitz , linux-m68k@vger.kernel.org, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 74/71] ncr5380: Enable PDMA for NCR53C400A Date: Fri, 4 Dec 2015 22:02:02 +0100 Message-Id: <1449262922-4580-1-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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1876 Lines: 53 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 | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c index ce444da..cd483c6 100644 --- a/drivers/scsi/g_NCR5380.c +++ b/drivers/scsi/g_NCR5380.c @@ -324,7 +324,7 @@ static int __init generic_NCR5380_detect(struct scsi_host_template *tpnt) #endif break; case BOARD_NCR53C400A: - flags = FLAG_NO_PSEUDO_DMA; + flags = FLAG_NO_DMA_FIXUP; ports = ncr_53c400a_ports; break; case BOARD_DTC3181E: @@ -412,6 +412,11 @@ 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 +430,8 @@ 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); -- Ondrej Zary -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/