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Fix various whitespace errors.
No functional change.
[bhelgaas: fix other similar problems]
Signed-off-by: Ryan Desfosses <ryan@desfo.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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Fix whitespace, capitalization, and spelling errors. No functional change.
I know "busses" is not an error, but "buses" was more common, so I used it
consistently.
Signed-off-by: Marta Rybczynska <rybczynska@gmail.com> (pci_reset_bridge_secondary_bus())
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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dev_<level> calls take less code than dev_printk(KERN_<LEVEL>
and reducing object size is good.
Coalesce formats for easier grep.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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pci-stub uses strsep() to separate list of ids and generates a warning
message when it fails to parse an id. However, not specifying the
parameter results in ids set to an empty string. strsep() happily
returns the empty string as the first token and thus triggers the
warning message spuriously.
Make the tokner ignore zero length ids.
Reported-by: Chris Wright <chrisw@sous-sol.org>
Reported-by: Prasad Joshi <P.G.Joshi@student.reading.ac.uk>
Cc: stable@kernel.org
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Will get warning when pci stub driver is built-in kenel like:
pci-stub: invalid id string ""
So stop early if no id is passed.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Add ids module parameter which allows specifying initial IDs for the
pci-stub driver. When built into the kernel, pci-stub is linked
before any real pci drivers and by setting up IDs from initialization
it can prevent built-in drivers from attaching to specific devices.
While at it, make pci_stub_probe() print out about devices it grabbed
to weed out "but my controller isn't being probed" bug reports.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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When doing device assignment with KVM there's currently nothing to
protect the device from having a driver in the host as well as the guest.
This trivial module just binds the pci device on the host to a stub
driver so that a real host driver can't bind to the device. It has no
pci id table, it supports only dynamic ids.
# echo "8086 10f5" > /sys/bus/pci/drivers/pci-stub/new_id
# echo -n 0000:00:19.0 > /sys/bus/pci/drivers/e1000e/unbind
# echo -n 0000:00:19.0 > /sys/bus/pci/drivers/pci-stub/bind
# ls -l /sys/bus/pci/devices/0000:00:19.0/driver
lrwxrwxrwx 1 root root 0 2008-11-25 19:10 /sys/bus/pci/devices/0000:00:19.0/driver -> ../../../bus/pci/drivers/pci-stub
Cc: "Kay, Allen M" <allen.m.kay@intel.com>
Cc: "Nakajima, Jun" <jun.nakajima@intel.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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