lkml.org 
[lkml]   [2009]   [Mar]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: [PATCH v12 1/8] PCI: initialize and release SR-IOV capability
On Sat, Mar 21, 2009 at 01:54:09AM +0800, Jesse Barnes wrote:
> On Fri, 20 Mar 2009 11:25:11 +0800
> Yu Zhao <yu.zhao@intel.com> wrote:
>
> > If a device has the SR-IOV capability, initialize it (set the ARI
> > Capable Hierarchy in the lowest numbered PF if necessary; calculate
> > the System Page Size for the VF MMIO, probe the VF Offset, Stride
> > and BARs). A lock for the VF bus allocation is also initialized if
> > a PF is the lowest numbered PF.
> >
> > Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
> > Signed-off-by: Yu Zhao <yu.zhao@intel.com>
>
> I applied this series to my linux-next branch, but there were a few
> conflicts here and there, so please check it out. Looks like from
> start to finish this took about 6 months to get banged into shape,
> thanks for staying on it, Yu!

Yes, I checked them and found there is conflict between the SR-IOV
changes and Yinghai's 'PCI/x86: detect host bridge config space size
w/o using quirks'. Following is the fix, thanks!


New pci_cfg_space_size() needs invalid pdev->class, put it in the
right place in the pci_setup_device().

Signed-off-by: Yu Zhao <yu.zhao@intel.com>
---
drivers/pci/probe.c | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 56c71e5..e2f3dd0 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -713,7 +713,6 @@ int pci_setup_device(struct pci_dev *dev)
dev->dev.bus = &pci_bus_type;
dev->hdr_type = hdr_type & 0x7f;
dev->multifunction = !!(hdr_type & 0x80);
- dev->cfg_size = pci_cfg_space_size(dev);
dev->error_state = pci_channel_io_normal;
set_pcie_port_type(dev);

@@ -738,6 +737,9 @@ int pci_setup_device(struct pci_dev *dev)
dev_dbg(&dev->dev, "found [%04x:%04x] class %06x header type %02x\n",
dev->vendor, dev->device, class, dev->hdr_type);

+ /* need to have dev->class ready */
+ dev->cfg_size = pci_cfg_space_size(dev);
+
/* "Unknown power state" */
dev->current_state = PCI_UNKNOWN;

@@ -959,9 +961,6 @@ static struct pci_dev *pci_scan_device(struct pci_bus *bus, int devfn)
return NULL;
}

- /* need to have dev->class ready */
- dev->cfg_size = pci_cfg_space_size(dev);
-
return dev;
}

--
1.5.6.4


\
 
 \ /
  Last update: 2009-03-21 15:07    [W:0.090 / U:9.728 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site