Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753657Ab2HBBhP (ORCPT ); Wed, 1 Aug 2012 21:37:15 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:40941 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753107Ab2HBBhN convert rfc822-to-8bit (ORCPT ); Wed, 1 Aug 2012 21:37:13 -0400 From: "Kaneshige, Kenji" To: Jiang Liu , Bjorn Helgaas , "Don Dutile" CC: Jiang Liu , Yinghai Lu , "Izumi, Taku" , "Rafael J . Wysocki" , Yijing Wang , "linux-kernel@vger.kernel.org" , "linux-pci@vger.kernel.org" Subject: RE: [PATCH v3 08/32] PCI/pciehp: use PCIe capabilities access functions to simplify implementation Thread-Topic: [PATCH v3 08/32] PCI/pciehp: use PCIe capabilities access functions to simplify implementation Thread-Index: AQHNb/41c6iSUR53nUes34QiczC0sZdFvnfg Date: Thu, 2 Aug 2012 01:37:09 +0000 Message-ID: <4A338DB2991D2A44B9A44B8718AECF650A47B7E7@G01JPEXMBYT03> References: <1343836477-7287-1-git-send-email-jiang.liu@huawei.com> <1343836477-7287-9-git-send-email-jiang.liu@huawei.com> In-Reply-To: <1343836477-7287-9-git-send-email-jiang.liu@huawei.com> Accept-Language: en-US Content-Language: ja-JP X-MS-Has-Attach: X-MS-TNEF-Correlator: x-securitypolicycheck: OK by SHieldMailChecker v1.7.4 x-originating-ip: [10.124.101.76] Content-Type: text/plain; charset="iso-2022-jp" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3756 Lines: 113 Reviewed-by: Kenji Kaneshige Regards, Kenji Kaneshige > -----Original Message----- > From: Jiang Liu [mailto:liuj97@gmail.com] > Sent: Thursday, August 02, 2012 12:54 AM > To: Bjorn Helgaas; Don Dutile > Cc: Jiang Liu; Yinghai Lu; Izumi, Taku/泉 拓; Rafael J . Wysocki; Kaneshige, > Kenji/金重 憲治; Yijing Wang; linux-kernel@vger.kernel.org; > linux-pci@vger.kernel.org; Jiang Liu > Subject: [PATCH v3 08/32] PCI/pciehp: use PCIe capabilities access > functions to simplify implementation > > From: Jiang Liu > > Use PCIe capabilities access functions to simplify pciehp implementation. > > Signed-off-by: Jiang Liu > Signed-off-by: Yijing Wang > --- > drivers/pci/hotplug/pciehp_acpi.c | 6 +----- > drivers/pci/hotplug/pciehp_hpc.c | 12 ++++-------- > 2 files changed, 5 insertions(+), 13 deletions(-) > > diff --git a/drivers/pci/hotplug/pciehp_acpi.c > b/drivers/pci/hotplug/pciehp_acpi.c > index 376d70d..751b41c 100644 > --- a/drivers/pci/hotplug/pciehp_acpi.c > +++ b/drivers/pci/hotplug/pciehp_acpi.c > @@ -81,16 +81,12 @@ static struct list_head __initdata dummy_slots = > LIST_HEAD_INIT(dummy_slots); > /* Dummy driver for dumplicate name detection */ > static int __init dummy_probe(struct pcie_device *dev) > { > - int pos; > u32 slot_cap; > acpi_handle handle; > struct dummy_slot *slot, *tmp; > struct pci_dev *pdev = dev->port; > > - pos = pci_pcie_cap(pdev); > - if (!pos) > - return -ENODEV; > - pci_read_config_dword(pdev, pos + PCI_EXP_SLTCAP, &slot_cap); > + pci_pcie_capability_read_dword(pdev, PCI_EXP_SLTCAP, > &slot_cap); > slot = kzalloc(sizeof(*slot), GFP_KERNEL); > if (!slot) > return -ENOMEM; > diff --git a/drivers/pci/hotplug/pciehp_hpc.c > b/drivers/pci/hotplug/pciehp_hpc.c > index 302451e..cf0daf1 100644 > --- a/drivers/pci/hotplug/pciehp_hpc.c > +++ b/drivers/pci/hotplug/pciehp_hpc.c > @@ -44,25 +44,25 @@ > static inline int pciehp_readw(struct controller *ctrl, int reg, u16 > *value) > { > struct pci_dev *dev = ctrl->pcie->port; > - return pci_read_config_word(dev, pci_pcie_cap(dev) + reg, value); > + return pci_pcie_capability_read_word(dev, reg, value); > } > > static inline int pciehp_readl(struct controller *ctrl, int reg, u32 > *value) > { > struct pci_dev *dev = ctrl->pcie->port; > - return pci_read_config_dword(dev, pci_pcie_cap(dev) + reg, > value); > + return pci_pcie_capability_read_dword(dev, reg, value); > } > > static inline int pciehp_writew(struct controller *ctrl, int reg, u16 > value) > { > struct pci_dev *dev = ctrl->pcie->port; > - return pci_write_config_word(dev, pci_pcie_cap(dev) + reg, > value); > + return pci_pcie_capability_write_word(dev, reg, value); > } > > static inline int pciehp_writel(struct controller *ctrl, int reg, u32 > value) > { > struct pci_dev *dev = ctrl->pcie->port; > - return pci_write_config_dword(dev, pci_pcie_cap(dev) + reg, > value); > + return pci_pcie_capability_write_dword(dev, reg, value); > } > > /* Power Control Command */ > @@ -855,10 +855,6 @@ struct controller *pcie_init(struct pcie_device *dev) > goto abort; > } > ctrl->pcie = dev; > - if (!pci_pcie_cap(pdev)) { > - ctrl_err(ctrl, "Cannot find PCI Express capability\n"); > - goto abort_ctrl; > - } > if (pciehp_readl(ctrl, PCI_EXP_SLTCAP, &slot_cap)) { > ctrl_err(ctrl, "Cannot read SLOTCAP register\n"); > goto abort_ctrl; > -- > 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/