From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from szxga02-in.huawei.com ([119.145.14.65]:17092 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753029Ab3A1DWP (ORCPT ); Sun, 27 Jan 2013 22:22:15 -0500 Message-ID: <5105EEA6.3020703@huawei.com> Date: Mon, 28 Jan 2013 11:21:10 +0800 From: Yijing Wang MIME-Version: 1.0 To: Yinghai Lu CC: Bjorn Helgaas , Jiang Liu , "Rafael J. Wysocki" , Taku Izumi , Toshi Kani , Greg Kroah-Hartman , , David Airlie , Subject: Re: [PATCH v3 11/22] PCI, drm: Kill pci_root_buses in alpha hose setting References: <1359314629-18651-1-git-send-email-yinghai@kernel.org> <1359314629-18651-12-git-send-email-yinghai@kernel.org> In-Reply-To: <1359314629-18651-12-git-send-email-yinghai@kernel.org> Content-Type: text/plain; charset="ISO-8859-1" Sender: linux-pci-owner@vger.kernel.org List-ID: On 2013/1/28 3:23, Yinghai Lu wrote: > Replace that with hotplug-safe version. > > Signed-off-by: Yinghai Lu > Cc: David Airlie > Cc: dri-devel@lists.freedesktop.org > --- > drivers/gpu/drm/drm_fops.c | 10 +++++++--- > 1 file changed, 7 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c > index 133b413..b92a9cc 100644 > --- a/drivers/gpu/drm/drm_fops.c > +++ b/drivers/gpu/drm/drm_fops.c > @@ -356,9 +356,13 @@ static int drm_open_helper(struct inode *inode, struct file *filp, > pci_dev_put(pci_dev); > } > if (!dev->hose) { > - struct pci_bus *b = pci_bus_b(pci_root_buses.next); > - if (b) > - dev->hose = b->sysdata; > + struct pci_host_bridge *host_bridge; > + > + host_bridge = pci_next_host_bridge(NULL); pci_get_next_host_bridge() ? > + if (host_bridge) { > + dev->hose = host_bridge->bus->sysdata; > + put_device(&host_bridge->dev); > + } > } > } > #endif > -- Thanks! Yijing From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yijing Wang Subject: Re: [PATCH v3 11/22] PCI, drm: Kill pci_root_buses in alpha hose setting Date: Mon, 28 Jan 2013 11:21:10 +0800 Message-ID: <5105EEA6.3020703@huawei.com> References: <1359314629-18651-1-git-send-email-yinghai@kernel.org> <1359314629-18651-12-git-send-email-yinghai@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1359314629-18651-12-git-send-email-yinghai@kernel.org> Sender: linux-pci-owner@vger.kernel.org To: Yinghai Lu Cc: Bjorn Helgaas , Jiang Liu , "Rafael J. Wysocki" , Taku Izumi , Toshi Kani , Greg Kroah-Hartman , linux-pci@vger.kernel.org, David Airlie , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org On 2013/1/28 3:23, Yinghai Lu wrote: > Replace that with hotplug-safe version. > > Signed-off-by: Yinghai Lu > Cc: David Airlie > Cc: dri-devel@lists.freedesktop.org > --- > drivers/gpu/drm/drm_fops.c | 10 +++++++--- > 1 file changed, 7 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c > index 133b413..b92a9cc 100644 > --- a/drivers/gpu/drm/drm_fops.c > +++ b/drivers/gpu/drm/drm_fops.c > @@ -356,9 +356,13 @@ static int drm_open_helper(struct inode *inode, struct file *filp, > pci_dev_put(pci_dev); > } > if (!dev->hose) { > - struct pci_bus *b = pci_bus_b(pci_root_buses.next); > - if (b) > - dev->hose = b->sysdata; > + struct pci_host_bridge *host_bridge; > + > + host_bridge = pci_next_host_bridge(NULL); pci_get_next_host_bridge() ? > + if (host_bridge) { > + dev->hose = host_bridge->bus->sysdata; > + put_device(&host_bridge->dev); > + } > } > } > #endif > -- Thanks! Yijing