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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-01-23 16:10:44 (GMT) |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-01-23 16:10:44 (GMT) |
| commit | 55df811f2066fcaec2548248f0a1a6a0c12dc6b8 (patch) | |
| tree | 0850f490489e5b941692f3fe36dff5d2c1c35c3c /drivers/pci/pci.c | |
| parent | 8e2f2325b73f3e5e46ecffd291556f33b8e3f8c9 (diff) | |
| parent | 497ab1f290a26fa9414c5c316515f1e2ddba0803 (diff) | |
| download | linux-55df811f2066fcaec2548248f0a1a6a0c12dc6b8.tar.xz | |
Merge branch 'next' into for-linus
First round of input updates for 3.14.
Diffstat (limited to 'drivers/pci/pci.c')
| -rw-r--r-- | drivers/pci/pci.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 33120d1..07369f3 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -4165,6 +4165,14 @@ int pci_set_vga_state(struct pci_dev *dev, bool decode, return 0; } +bool pci_device_is_present(struct pci_dev *pdev) +{ + u32 v; + + return pci_bus_read_dev_vendor_id(pdev->bus, pdev->devfn, &v, 0); +} +EXPORT_SYMBOL_GPL(pci_device_is_present); + #define RESOURCE_ALIGNMENT_PARAM_SIZE COMMAND_LINE_SIZE static char resource_alignment_param[RESOURCE_ALIGNMENT_PARAM_SIZE] = {0}; static DEFINE_SPINLOCK(resource_alignment_lock); |