diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-16 17:12:04 -0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-12-16 17:12:04 -0800 |
commit | 5c5bccb76cb94888f40ebd5584b81646632e9c3f (patch) | |
tree | ee949fa6cc1dbe2632154b38ef6dd28f6185d218 /drivers/pci/pci.c | |
parent | 24b3aa09970304ece816e73c3d7174d0dd315b98 (diff) | |
parent | 319e2e3f63c348a9b66db4667efa73178e18b17d (diff) |
Merge 3.13-rc4 into staging-next.
We want the fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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 33120d15666..07369f32e8b 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); |