From patchwork Thu Jul 24 09:17:25 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Antoine Tenart X-Patchwork-Id: 373215 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 C39AF140082 for ; Thu, 24 Jul 2014 19:19:33 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757802AbaGXJTb (ORCPT ); Thu, 24 Jul 2014 05:19:31 -0400 Received: from top.free-electrons.com ([176.31.233.9]:46480 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751549AbaGXJRf (ORCPT ); Thu, 24 Jul 2014 05:17:35 -0400 Received: by mail.free-electrons.com (Postfix, from userid 106) id 7BACCA88; Thu, 24 Jul 2014 11:17:34 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on mail.free-electrons.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT, URIBL_BLOCKED shortcircuit=ham autolearn=disabled version=3.3.2 Received: from localhost.localdomain (col31-4-88-188-83-94.fbx.proxad.net [88.188.83.94]) by mail.free-electrons.com (Postfix) with ESMTPSA id B62667ED; Thu, 24 Jul 2014 11:17:33 +0200 (CEST) From: =?UTF-8?q?Antoine=20T=C3=A9nart?= To: sebastian.hesselbarth@gmail.com, tj@kernel.org, kishon@ti.com Cc: =?UTF-8?q?Antoine=20T=C3=A9nart?= , alexandre.belloni@free-electrons.com, thomas.petazzoni@free-electrons.com, zmxu@marvell.com, jszhang@marvell.com, linux-arm-kernel@lists.infradead.org, linux-ide@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v11 3/8] ata: libahci_platform: move port_map parameters into the AHCI structure Date: Thu, 24 Jul 2014 11:17:25 +0200 Message-Id: <1406193450-17283-4-git-send-email-antoine.tenart@free-electrons.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1406193450-17283-1-git-send-email-antoine.tenart@free-electrons.com> References: <1406193450-17283-1-git-send-email-antoine.tenart@free-electrons.com> MIME-Version: 1.0 Sender: linux-ide-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ide@vger.kernel.org This patch moves force_port_map and mask_port_map into the ahci_host_priv structure. This allows to modify them into the AHCI framework. This is needed by the new dt bindings representing ports as the port_map mask is computed automatically. Signed-off-by: Antoine Ténart --- drivers/ata/ahci.h | 6 +++--- drivers/ata/ahci_da850.c | 3 +-- drivers/ata/ahci_imx.c | 3 +-- drivers/ata/ahci_mvebu.c | 3 +-- drivers/ata/ahci_platform.c | 3 +-- drivers/ata/ahci_st.c | 2 +- drivers/ata/ahci_sunxi.c | 2 +- drivers/ata/ahci_xgene.c | 2 +- drivers/ata/libahci.c | 17 +++++++---------- drivers/ata/libahci_platform.c | 8 ++------ include/linux/ahci_platform.h | 4 +--- 11 files changed, 20 insertions(+), 33 deletions(-) diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h index 5513296e5e2e..cb8d58926851 100644 --- a/drivers/ata/ahci.h +++ b/drivers/ata/ahci.h @@ -321,6 +321,8 @@ struct ahci_host_priv { u32 cap; /* cap to use */ u32 cap2; /* cap2 to use */ u32 port_map; /* port map to use */ + u32 force_port_map; /* force port map */ + u32 mask_port_map; /* mask out particular bits */ u32 saved_cap; /* saved initial cap */ u32 saved_cap2; /* saved initial cap2 */ u32 saved_port_map; /* saved initial port_map */ @@ -361,9 +363,7 @@ unsigned int ahci_dev_classify(struct ata_port *ap); void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag, u32 opts); void ahci_save_initial_config(struct device *dev, - struct ahci_host_priv *hpriv, - unsigned int force_port_map, - unsigned int mask_port_map); + struct ahci_host_priv *hpriv); void ahci_init_controller(struct ata_host *host); int ahci_reset_controller(struct ata_host *host); diff --git a/drivers/ata/ahci_da850.c b/drivers/ata/ahci_da850.c index 2b77d53bccf8..33b862b2c5db 100644 --- a/drivers/ata/ahci_da850.c +++ b/drivers/ata/ahci_da850.c @@ -85,8 +85,7 @@ static int ahci_da850_probe(struct platform_device *pdev) da850_sata_init(dev, pwrdn_reg, hpriv->mmio); - rc = ahci_platform_init_host(pdev, hpriv, &ahci_da850_port_info, - 0, 0, 0); + rc = ahci_platform_init_host(pdev, hpriv, &ahci_da850_port_info, 0); if (rc) goto disable_resources; diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c index cac4360f272a..c8eef2d745d8 100644 --- a/drivers/ata/ahci_imx.c +++ b/drivers/ata/ahci_imx.c @@ -454,8 +454,7 @@ static int imx_ahci_probe(struct platform_device *pdev) reg_val = clk_get_rate(imxpriv->ahb_clk) / 1000; writel(reg_val, hpriv->mmio + IMX_TIMER1MS); - ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info, - 0, 0, 0); + ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info, 0); if (ret) goto disable_sata; diff --git a/drivers/ata/ahci_mvebu.c b/drivers/ata/ahci_mvebu.c index fd3dfd733b84..0ba0cf7a9ba9 100644 --- a/drivers/ata/ahci_mvebu.c +++ b/drivers/ata/ahci_mvebu.c @@ -88,8 +88,7 @@ static int ahci_mvebu_probe(struct platform_device *pdev) ahci_mvebu_mbus_config(hpriv, dram); ahci_mvebu_regret_option(hpriv); - rc = ahci_platform_init_host(pdev, hpriv, &ahci_mvebu_port_info, - 0, 0, 0); + rc = ahci_platform_init_host(pdev, hpriv, &ahci_mvebu_port_info, 0); if (rc) goto disable_resources; diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c index b10d81ddb528..95f9ca82082a 100644 --- a/drivers/ata/ahci_platform.c +++ b/drivers/ata/ahci_platform.c @@ -60,8 +60,7 @@ static int ahci_probe(struct platform_device *pdev) if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci")) hflags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ; - rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, - hflags, 0, 0); + rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, hflags); if (rc) goto pdata_exit; diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c index 2595598df9ce..6767c7790b4a 100644 --- a/drivers/ata/ahci_st.c +++ b/drivers/ata/ahci_st.c @@ -166,7 +166,7 @@ static int st_ahci_probe(struct platform_device *pdev) if (err) return err; - err = ahci_platform_init_host(pdev, hpriv, &st_ahci_port_info, 0, 0, 0); + err = ahci_platform_init_host(pdev, hpriv, &st_ahci_port_info, 0); if (err) { ahci_platform_disable_resources(hpriv); return err; diff --git a/drivers/ata/ahci_sunxi.c b/drivers/ata/ahci_sunxi.c index 02002f125bd4..9f8ff1f9e912 100644 --- a/drivers/ata/ahci_sunxi.c +++ b/drivers/ata/ahci_sunxi.c @@ -188,7 +188,7 @@ static int ahci_sunxi_probe(struct platform_device *pdev) AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ; rc = ahci_platform_init_host(pdev, hpriv, &ahci_sunxi_port_info, - hflags, 0, 0); + hflags); if (rc) goto disable_resources; diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c index ee3a3659bd9e..87d39fbe616b 100644 --- a/drivers/ata/ahci_xgene.c +++ b/drivers/ata/ahci_xgene.c @@ -487,7 +487,7 @@ static int xgene_ahci_probe(struct platform_device *pdev) hflags = AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ; rc = ahci_platform_init_host(pdev, hpriv, &xgene_ahci_port_info, - hflags, 0, 0); + hflags); if (rc) goto disable_resources; diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index d72ce0470309..3c0b623747bd 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -398,10 +398,7 @@ static ssize_t ahci_show_em_supported(struct device *dev, * LOCKING: * None. */ -void ahci_save_initial_config(struct device *dev, - struct ahci_host_priv *hpriv, - unsigned int force_port_map, - unsigned int mask_port_map) +void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv) { void __iomem *mmio = hpriv->mmio; u32 cap, cap2, vers, port_map; @@ -468,17 +465,17 @@ void ahci_save_initial_config(struct device *dev, cap &= ~HOST_CAP_FBS; } - if (force_port_map && port_map != force_port_map) { + if (hpriv->force_port_map && port_map != hpriv->force_port_map) { dev_info(dev, "forcing port_map 0x%x -> 0x%x\n", - port_map, force_port_map); - port_map = force_port_map; + port_map, hpriv->force_port_map); + port_map = hpriv->force_port_map; } - if (mask_port_map) { + if (hpriv->mask_port_map) { dev_warn(dev, "masking port_map 0x%x -> 0x%x\n", port_map, - port_map & mask_port_map); - port_map &= mask_port_map; + port_map & hpriv->mask_port_map); + port_map &= hpriv->mask_port_map; } /* cross check port_map and cap.n_ports */ diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c index b0077589f065..db9b90d876dd 100644 --- a/drivers/ata/libahci_platform.c +++ b/drivers/ata/libahci_platform.c @@ -289,8 +289,6 @@ EXPORT_SYMBOL_GPL(ahci_platform_get_resources); * @hpriv: ahci-host private data for the host * @pi_template: template for the ata_port_info to use * @host_flags: ahci host flags used in ahci_host_priv - * @force_port_map: param passed to ahci_save_initial_config - * @mask_port_map: param passed to ahci_save_initial_config * * This function does all the usual steps needed to bring up an * ahci-platform host, note any necessary resources (ie clks, phy, etc.) @@ -302,9 +300,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_get_resources); int ahci_platform_init_host(struct platform_device *pdev, struct ahci_host_priv *hpriv, const struct ata_port_info *pi_template, - unsigned long host_flags, - unsigned int force_port_map, - unsigned int mask_port_map) + unsigned long host_flags) { struct device *dev = &pdev->dev; struct ata_port_info pi = *pi_template; @@ -322,7 +318,7 @@ int ahci_platform_init_host(struct platform_device *pdev, pi.private_data = (void *)host_flags; hpriv->flags |= host_flags; - ahci_save_initial_config(dev, hpriv, force_port_map, mask_port_map); + ahci_save_initial_config(dev, hpriv); if (hpriv->cap & HOST_CAP_NCQ) pi.flags |= ATA_FLAG_NCQ; diff --git a/include/linux/ahci_platform.h b/include/linux/ahci_platform.h index 6dfd51a04d77..554bcafa7eb4 100644 --- a/include/linux/ahci_platform.h +++ b/include/linux/ahci_platform.h @@ -44,9 +44,7 @@ struct ahci_host_priv *ahci_platform_get_resources( int ahci_platform_init_host(struct platform_device *pdev, struct ahci_host_priv *hpriv, const struct ata_port_info *pi_template, - unsigned long host_flags, - unsigned int force_port_map, - unsigned int mask_port_map); + unsigned long host_flags); int ahci_platform_suspend_host(struct device *dev); int ahci_platform_resume_host(struct device *dev);