From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756591AbbJ2GcK (ORCPT ); Thu, 29 Oct 2015 02:32:10 -0400 Received: from mail-bn1bon0117.outbound.protection.outlook.com ([157.56.111.117]:35664 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750889AbbJ2GcH (ORCPT ); Thu, 29 Oct 2015 02:32:07 -0400 Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=freescale.com; freescale.mail.onmicrosoft.com; dkim=none (message not signed) header.d=none;freescale.mail.onmicrosoft.com; dmarc=none action=none header.from=freescale.com; From: Tang Yuantian To: CC: , , , , , Tang Yuantian Subject: [PATCH 2/3] ahci: qoriq: Disable NCQ on ls2080a SoC Date: Thu, 29 Oct 2015 14:22:16 +0800 Message-ID: <1446099737-41854-2-git-send-email-Yuantian.Tang@freescale.com> X-Mailer: git-send-email 2.1.0.27.g96db324 In-Reply-To: <1446099737-41854-1-git-send-email-Yuantian.Tang@freescale.com> References: <1446099737-41854-1-git-send-email-Yuantian.Tang@freescale.com> X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1;BN1BFFO11FD053;1:PPsIL18uwVDqtk3cr98GV3qddDpziiJLBd3vrjB7K+QGZ2w6/0Gy9rEwq2vPDyNGgKCZTXeuGIQDdFFjXPndx7+tDNBemNKVflFzshf8gd/VLNWXhwvfTgoxW85mpEVJgcCJaBjVkoeSNNi/8KPGNC8Lc+nGAJQ1WnH8ei5gaDa8FOlbvwJ0i8wsKvvAag8o53Noc3u6/d4bkoEUspP6eKQpY2KzIMhz7SFQmkCCUMv5kfIjgSK5/wB3CFx6Q85hjLksRZANFC8+ROn/PWdDjap28OBCuXNu+Lh9OcnMnfsxL1zWq0dqv2tYlGlFEyyV4pWUKfVYQYsUnVFd/pKZBtYWfDK/NAJ5NuXxQpgNrgflgAXy40rFzBdWo6XRFrLzug8NndWzQ6nvzd8IluZMVQ== X-Forefront-Antispam-Report: CIP:192.88.168.50;CTRY:US;IPV:NLI;EFV:NLI;SFV:NSPM;SFS:(10019020)(6009001)(2980300002)(1110001)(1109001)(339900001)(189002)(199003)(2950100001)(77096005)(81156007)(97736004)(2351001)(5001960100002)(5003940100001)(36756003)(47776003)(107886002)(110136002)(189998001)(76176999)(5007970100001)(4001430100002)(50986999)(86362001)(87936001)(105606002)(50226001)(85426001)(5008740100001)(50466002)(229853001)(11100500001)(19580395003)(19580405001)(104016004)(48376002)(6806005)(92566002)(106466001);DIR:OUT;SFP:1102;SCL:1;SRVR:BLUPR03MB568;H:tx30smr01.am.freescale.net;FPR:;SPF:Fail;PTR:InfoDomainNonexistent;MX:1;A:1;LANG:en; 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This patch disabled NCQ as a workaround. Signed-off-by: Tang Yuantian --- drivers/ata/ahci_qoriq.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c index b9b691e..686d804 100644 --- a/drivers/ata/ahci_qoriq.c +++ b/drivers/ata/ahci_qoriq.c @@ -131,7 +131,7 @@ static struct ata_port_operations ahci_qoriq_ops = { .hardreset = ahci_qoriq_hardreset, }; -static const struct ata_port_info ahci_qoriq_port_info = { +static struct ata_port_info ahci_qoriq_port_info = { .flags = AHCI_FLAG_COMMON | ATA_FLAG_NCQ, .pio_mask = ATA_PIO4, .udma_mask = ATA_UDMA6, @@ -208,6 +208,12 @@ static int ahci_qoriq_probe(struct platform_device *pdev) if (rc) goto disable_resources; + /* Workaround for ls2080a */ + if (qoriq_priv->type == AHCI_LS2080A) { + hpriv->flags |= AHCI_HFLAG_NO_NCQ; + ahci_qoriq_port_info.flags &= ~(ATA_FLAG_NCQ); + } + rc = ahci_platform_init_host(pdev, hpriv, &ahci_qoriq_port_info, &ahci_qoriq_sht); if (rc) -- 2.1.0.27.g96db324