diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-01-05 12:34:29 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-05 12:34:29 +0100 |
| commit | ef0b8b9a521c65201bfca9747ee1bf374296133c (patch) | |
| tree | 644c3390c07d06fb7807182a4935f7c3f675b157 /drivers/pci/pci.c | |
| parent | 5c12af0c41e3417e1939095325920463b5f8e726 (diff) | |
| parent | d6e0a2dd12f4067a5bcefb8bbd8ddbeff800afbc (diff) | |
Merge tag 'v3.13-rc7' into x86/efi-kexec to resolve conflicts
Conflicts:
arch/x86/platform/efi/efi.c
drivers/firmware/efi/Kconfig
Signed-off-by: Ingo Molnar <mingo@kernel.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); |