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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-16 17:12:04 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-16 17:12:04 -0800
commit5c5bccb76cb94888f40ebd5584b81646632e9c3f (patch)
treeee949fa6cc1dbe2632154b38ef6dd28f6185d218 /drivers/pci/pci.c
parent24b3aa09970304ece816e73c3d7174d0dd315b98 (diff)
parent319e2e3f63c348a9b66db4667efa73178e18b17d (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.c8
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);