Messages in this thread | | | Date | Mon, 17 Jun 2013 12:08:40 -0600 | From | Bjorn Helgaas <> | Subject | Re: [PATCH v3, part2 14/20] PCI, DRM: use hotplug-safe iterators to walk PCI buses |
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On Sun, May 26, 2013 at 11:53:11PM +0800, Jiang Liu wrote: > Enhance DRM drvier to use hotplug-safe iterators to walk PCI buses. > > Signed-off-by: Jiang Liu <jiang.liu@huawei.com> > Cc: David Airlie <airlied@linux.ie> > Cc: dri-devel@lists.freedesktop.org > Cc: linux-kernel@vger.kernel.org > --- > drivers/gpu/drm/drm_fops.c | 6 ++++-- > 1 file changed, 4 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c > index 429e07d..dc8c40b 100644 > --- a/drivers/gpu/drm/drm_fops.c > +++ b/drivers/gpu/drm/drm_fops.c > @@ -359,9 +359,11 @@ 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) > + struct pci_bus *b = pci_get_next_root_bus(NULL); > + if (b) { > dev->hose = b->sysdata; > + pci_bus_put(b); > + }
This is a gross hack to begin with, and it would be far better to get rid of the whole "#ifdef __alpha__" block that contains this code. I can't believe alpha is so special that it needs to do something that no other arch needs.
> } > } > #endif > -- > 1.8.1.2 >
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