From mboxrd@z Thu Jan 1 00:00:00 1970 From: "kefeng.wang" Subject: [PATCH] ahci: disable ncq feature for hisilicon sata Date: Tue, 10 Jun 2014 17:51:37 +0800 Message-ID: <5396D529.308@linaro.org> References: <1398416351-30567-1-git-send-email-kefeng.wang@linaro.org> <20140514170757.GD15690@htj.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pd0-f169.google.com ([209.85.192.169]:50975 "EHLO mail-pd0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751866AbaFJJwj (ORCPT ); Tue, 10 Jun 2014 05:52:39 -0400 Received: by mail-pd0-f169.google.com with SMTP id w10so5956217pde.0 for ; Tue, 10 Jun 2014 02:52:39 -0700 (PDT) In-Reply-To: <20140514170757.GD15690@htj.dyndns.org> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: Hans de Goede , Zhangfei Gao , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, wangkefeng.wang@huawei.com, xuwei5@hisilicon.com NCQ feature is unsupported on hisilicon sata controller, so disable it. This version of IP is used by hip04 and hix5hd2 soc. Signed-off-by: Kefeng Wang --- drivers/ata/ahci_platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index ebe505c..0cfda8b 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -58,7 +58,7 @@ static int ahci_probe(struct platform_device *pdev) } if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci")) - hflags |= AHCI_HFLAG_NO_FBS; + hflags = AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ; rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, hflags, 0, 0); -- 1.7.9.5