From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752932AbaDWLsO (ORCPT ); Wed, 23 Apr 2014 07:48:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60008 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751437AbaDWLsL (ORCPT ); Wed, 23 Apr 2014 07:48:11 -0400 Message-ID: <5357A86C.1070709@redhat.com> Date: Wed, 23 Apr 2014 13:47:56 +0200 From: Hans de Goede User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: Kefeng Wang , Tejun Heo , Maxime Ripard , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org CC: wangkefeng.wang@huawei.com Subject: Re: [PATCH v4 2/3] libahci_platform: add host_flags parameter in ahci_platform_init_host() References: <1398253008-17059-1-git-send-email-kefeng.wang@linaro.org> <1398253008-17059-3-git-send-email-kefeng.wang@linaro.org> In-Reply-To: <1398253008-17059-3-git-send-email-kefeng.wang@linaro.org> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 04/23/2014 01:36 PM, Kefeng Wang wrote: > Add a dynamic host flags argument to make ahci_platform_init_host more flexible, > then remove the AHCI_HFLAGS(...) argument from some driver's ata_port_info, > and pass that in as the new arguments. > > Cc: Hans de Geode > Signed-off-by: Kefeng Wang Thanks for working on this, review comments inline. > --- > drivers/ata/ahci_da850.c | 3 ++- > drivers/ata/ahci_imx.c | 3 ++- > drivers/ata/ahci_platform.c | 2 +- > drivers/ata/ahci_st.c | 2 +- > drivers/ata/ahci_sunxi.c | 9 ++++++--- > drivers/ata/ahci_xgene.c | 6 +++++- > drivers/ata/libahci_platform.c | 2 ++ > include/linux/ahci_platform.h | 1 + > 8 files changed, 20 insertions(+), 8 deletions(-) > > diff --git a/drivers/ata/ahci_da850.c b/drivers/ata/ahci_da850.c > index 2c83613..2b77d53 100644 > --- a/drivers/ata/ahci_da850.c > +++ b/drivers/ata/ahci_da850.c > @@ -85,7 +85,8 @@ 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); > + rc = ahci_platform_init_host(pdev, hpriv, &ahci_da850_port_info, > + 0, 0, 0); > if (rc) > goto disable_resources; > > diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c > index 497c7ab..e7e44a7 100644 > --- a/drivers/ata/ahci_imx.c > +++ b/drivers/ata/ahci_imx.c > @@ -267,7 +267,8 @@ static int imx_ahci_probe(struct platform_device *pdev) > reg_val = clk_get_rate(imxpriv->ahb_clk) / 1000; > writel(reg_val, hpriv->mmio + HOST_TIMER1MS); > > - ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info, 0, 0); > + ret = ahci_platform_init_host(pdev, hpriv, &ahci_imx_port_info, > + 0, 0, 0); > if (ret) > imx_sata_disable(hpriv); > > diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c > index ef67e79..a476a1f 100644 > --- a/drivers/ata/ahci_platform.c > +++ b/drivers/ata/ahci_platform.c > @@ -55,7 +55,7 @@ static int ahci_probe(struct platform_device *pdev) > goto disable_resources; > } > > - rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, 0, 0); > + rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info, 0, 0, 0); > if (rc) > goto pdata_exit; > > diff --git a/drivers/ata/ahci_st.c b/drivers/ata/ahci_st.c > index 6332222..2595598 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); > + err = ahci_platform_init_host(pdev, hpriv, &st_ahci_port_info, 0, 0, 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 42d3f64..543132a 100644 > --- a/drivers/ata/ahci_sunxi.c > +++ b/drivers/ata/ahci_sunxi.c > @@ -157,8 +157,6 @@ static void ahci_sunxi_start_engine(struct ata_port *ap) > } > > static const struct ata_port_info ahci_sunxi_port_info = { > - AHCI_HFLAGS(AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI | > - AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ), > .flags = AHCI_FLAG_COMMON | ATA_FLAG_NCQ, > .pio_mask = ATA_PIO4, > .udma_mask = ATA_UDMA6, > @@ -169,6 +167,7 @@ static int ahci_sunxi_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > struct ahci_host_priv *hpriv; > + unsigned int hflags; > int rc; > > hpriv = ahci_platform_get_resources(pdev); > @@ -185,7 +184,11 @@ static int ahci_sunxi_probe(struct platform_device *pdev) > if (rc) > goto disable_resources; > > - rc = ahci_platform_init_host(pdev, hpriv, &ahci_sunxi_port_info, 0, 0); > + hflags = AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI | > + AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ, > + > + rc = ahci_platform_init_host(pdev, hpriv, &ahci_sunxi_port_info, > + hflags, 0, 0); > if (rc) > goto disable_resources; > > diff --git a/drivers/ata/ahci_xgene.c b/drivers/ata/ahci_xgene.c > index 77c89bf..8022b5a 100644 > --- a/drivers/ata/ahci_xgene.c > +++ b/drivers/ata/ahci_xgene.c > @@ -382,6 +382,7 @@ static int xgene_ahci_probe(struct platform_device *pdev) > struct ahci_host_priv *hpriv; > struct xgene_ahci_context *ctx; > struct resource *res; > + unsigned int hflags; > int rc; > > hpriv = ahci_platform_get_resources(pdev); > @@ -450,7 +451,10 @@ static int xgene_ahci_probe(struct platform_device *pdev) > goto disable_resources; > } > > - rc = ahci_platform_init_host(pdev, hpriv, &xgene_ahci_port_info, 0, 0); > + hflags = AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ, > + > + rc = ahci_platform_init_host(pdev, hpriv, &xgene_ahci_port_info, > + hflags, 0, 0); > if (rc) > goto disable_resources; > You should remove the AHCI_HFLAGS(AHCI_HFLAG_NO_PMP | AHCI_HFLAG_YES_NCQ), part from xgene_ahci_port_info here, like you do for ahci_sunxi.c > diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c > index 7cb3a85..ebd880e 100644 > --- a/drivers/ata/libahci_platform.c > +++ b/drivers/ata/libahci_platform.c > @@ -283,6 +283,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_get_resources); > * @pdev: platform device pointer for the host > * @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 > * > @@ -296,6 +297,7 @@ 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 int host_flags, > unsigned int force_port_map, > unsigned int mask_port_map) > { And here you should actually do something with hflags, not just throw them away. Something like: pi.private_data = (void *)host_flags; > diff --git a/include/linux/ahci_platform.h b/include/linux/ahci_platform.h > index 1f16d50..45897f6 100644 > --- a/include/linux/ahci_platform.h > +++ b/include/linux/ahci_platform.h > @@ -44,6 +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 int host_flags, > unsigned int force_port_map, > unsigned int mask_port_map); > > Regards, Hans