From patchwork Wed Aug 31 03:50:32 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Zhu X-Patchwork-Id: 112438 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id ABE12B6F7C for ; Wed, 31 Aug 2011 13:50:50 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751651Ab1HaDuu (ORCPT ); Tue, 30 Aug 2011 23:50:50 -0400 Received: from va3ehsobe006.messaging.microsoft.com ([216.32.180.16]:8669 "EHLO VA3EHSOBE007.bigfish.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752202Ab1HaDut (ORCPT ); Tue, 30 Aug 2011 23:50:49 -0400 Received: from mail126-va3-R.bigfish.com (10.7.14.253) by VA3EHSOBE007.bigfish.com (10.7.40.11) with Microsoft SMTP Server id 14.1.225.22; Wed, 31 Aug 2011 03:50:47 +0000 Received: from mail126-va3 (localhost.localdomain [127.0.0.1]) by mail126-va3-R.bigfish.com (Postfix) with ESMTP id B6B8DB4815F; Wed, 31 Aug 2011 03:50:46 +0000 (UTC) X-SpamScore: 0 X-BigFish: VS0(zzzz1202hzz8275dhz2dh87h2a8h668h839h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: CIP:70.37.183.190; KIP:(null); UIP:(null); IPVD:NLI; H:mail.freescale.net; RD:none; EFVD:NLI X-FB-DOMAIN-IP-MATCH: fail Received: from mail126-va3 (localhost.localdomain [127.0.0.1]) by mail126-va3 (MessageSwitch) id 1314762646345979_22420; Wed, 31 Aug 2011 03:50:46 +0000 (UTC) Received: from VA3EHSMHS020.bigfish.com (unknown [10.7.14.242]) by mail126-va3.bigfish.com (Postfix) with ESMTP id 11C76D6804F; Wed, 31 Aug 2011 03:50:46 +0000 (UTC) Received: from mail.freescale.net (70.37.183.190) by VA3EHSMHS020.bigfish.com (10.7.99.30) with Microsoft SMTP Server (TLS) id 14.1.225.22; Wed, 31 Aug 2011 03:50:45 +0000 Received: from az33smr02.freescale.net (10.64.34.200) by 039-SN1MMR1-003.039d.mgd.msft.net (10.84.1.16) with Microsoft SMTP Server id 14.1.323.2; Tue, 30 Aug 2011 22:50:44 -0500 Received: from x-VirtualBox.ap.freescale.net (x-VirtualBox.ap.freescale.net [10.192.242.136]) by az33smr02.freescale.net (8.13.1/8.13.0) with ESMTP id p7V3oY5a019818; Tue, 30 Aug 2011 22:50:41 -0500 (CDT) From: Richard Zhu To: CC: , , , , , , Richard Zhu Subject: [PATCH V7 2/5] ahci_plt Add the board_ids and pi refer to different features Date: Wed, 31 Aug 2011 11:50:32 +0800 Message-ID: <1314762635-3923-3-git-send-email-richard.zhu@linaro.org> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1314762635-3923-1-git-send-email-richard.zhu@linaro.org> References: <1314762635-3923-1-git-send-email-richard.zhu@linaro.org> MIME-Version: 1.0 X-OriginatorOrg: sigmatel.com Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org On imx53 AHCI, soft reset fails with IPMS set when PMP is enabled but SATA HDD/ODD is connected to SATA port, do soft reset again to port 0. So the 'ahci_pmp_retry_srst_ops' is required when imx53 ahci is present. Signed-off-by: Richard Zhu Acked-by: Eric Miao --- drivers/ata/ahci_platform.c | 44 +++++++++++++++++++++++++++++++++++++----- 1 files changed, 38 insertions(+), 6 deletions(-) diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index 6fef1fa..c03277d 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -23,6 +23,41 @@ #include #include "ahci.h" +enum ahci_type { + AHCI, /* standard platform ahci */ + IMX53_AHCI, /* ahci on i.mx53 */ +}; + +static struct platform_device_id ahci_devtype[] = { + { + .name = "ahci", + .driver_data = AHCI, + }, { + .name = "imx53-ahci", + .driver_data = IMX53_AHCI, + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, ahci_devtype); + + +static const struct ata_port_info ahci_port_info[] = { + /* by features */ + [AHCI] = { + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_ops, + }, + [IMX53_AHCI] = { + .flags = AHCI_FLAG_COMMON, + .pio_mask = ATA_PIO4, + .udma_mask = ATA_UDMA6, + .port_ops = &ahci_pmp_retry_srst_ops, + }, +}; + static struct scsi_host_template ahci_platform_sht = { AHCI_SHT("ahci_platform"), }; @@ -31,12 +66,8 @@ static int __init ahci_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct ahci_platform_data *pdata = dev->platform_data; - struct ata_port_info pi = { - .flags = AHCI_FLAG_COMMON, - .pio_mask = ATA_PIO4, - .udma_mask = ATA_UDMA6, - .port_ops = &ahci_ops, - }; + const struct platform_device_id *id = platform_get_device_id(pdev); + struct ata_port_info pi = ahci_port_info[id->driver_data]; const struct ata_port_info *ppi[] = { &pi, NULL }; struct ahci_host_priv *hpriv; struct ata_host *host; @@ -177,6 +208,7 @@ static struct platform_driver ahci_driver = { .name = "ahci", .owner = THIS_MODULE, }, + .id_table = ahci_devtype, }; static int __init ahci_init(void)