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device: Implement a bus agnostic dev_num_vf routine

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Now that pci_bus_type has num_vf callback set, dev_num_vf can be
implemented in a bus type independent way and the check for whether a
PCI device is being handled in rtnetlink can be dropped.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Phil Sutter 2017-01-18 14:04:39 +01:00 • committed by David S. Miller
parent 02e0bea6c8
commit 9af15c3825
3 changed files with 8 additions and 4 deletions
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7
include/linux/device.h
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@ -1144,6 +1144,13 @@ extern int device_online(struct device *dev);
extern void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
extern void set_secondary_fwnode(struct device *dev, struct fwnode_handle *fwnode);
static inline int dev_num_vf(struct device *dev)
{
if (dev->bus && dev->bus->num_vf)
return dev->bus->num_vf(dev);
return 0;
}
/*
* Root device objects for grouping under /sys/devices
*/