From patchwork Wed Aug 10 15:37:29 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Patrice CHOTARD X-Patchwork-Id: 9273195 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B37B5600CA for ; Wed, 10 Aug 2016 15:39:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A4B9526CF9 for ; Wed, 10 Aug 2016 15:39:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9983727F80; Wed, 10 Aug 2016 15:39:55 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 36E5D26CF9 for ; Wed, 10 Aug 2016 15:39:55 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1bXVaV-0001l5-QW; Wed, 10 Aug 2016 15:38:35 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bXVa3-0001bP-8Z for linux-arm-kernel@lists.infradead.org; Wed, 10 Aug 2016 15:38:08 +0000 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u7AFXUEY024813; Wed, 10 Aug 2016 17:37:42 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 24n515eaxp-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 10 Aug 2016 17:37:42 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id D83073D; Wed, 10 Aug 2016 15:37:41 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas21.st.com [10.75.90.44]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id C10A6287D; Wed, 10 Aug 2016 15:37:41 +0000 (GMT) Received: from localhost (10.48.1.66) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.279.2; Wed, 10 Aug 2016 17:37:41 +0200 From: To: Tejun Heo , , , Subject: [PATCH 1/2] ahci: st: Add ports-implemented property in support Date: Wed, 10 Aug 2016 17:37:29 +0200 Message-ID: <1470843450-20068-2-git-send-email-patrice.chotard@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1470843450-20068-1-git-send-email-patrice.chotard@st.com> References: <1470843450-20068-1-git-send-email-patrice.chotard@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.1.66] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-08-10_12:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160810_083807_667912_89CD53AA X-CRM114-Status: UNSURE ( 8.62 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: patrice.chotard@st.com, kernel@stlinux.com Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Patrice Chotard Despite ST AHCI version = 1.3, reading HOST_PORTS_IMPL returns 0. So force_port_map to 1 by using ports-implemented DT property. Signed-off-by: Patrice Chotard --- drivers/ata/ahci_st.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c index 8ff428f..bc345f2 100644 --- a/drivers/ata/ahci_st.c +++ b/drivers/ata/ahci_st.c @@ -147,6 +147,7 @@ static struct scsi_host_template ahci_platform_sht = { static int st_ahci_probe(struct platform_device *pdev) { + struct device *dev = &pdev->dev; struct st_ahci_drv_data *drv_data; struct ahci_host_priv *hpriv; int err; @@ -170,6 +171,9 @@ static int st_ahci_probe(struct platform_device *pdev) st_ahci_configure_oob(hpriv->mmio); + of_property_read_u32(dev->of_node, + "ports-implemented", &hpriv->force_port_map); + err = ahci_platform_init_host(pdev, hpriv, &st_ahci_port_info, &ahci_platform_sht); if (err) {