pci_bus_read_config_dword
Section: Kernel Hacker's Manual (9)
Updated: pci_bus_read_config_dword
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NAME
pci_bus_read_config_dword - read a dword from a pci device
SYNOPSIS
int pci_bus_read_config_dword
(struct pci_bus *bus,
unsigned int devfn,
int where,
u32 *value);
ARGUMENTS
- bus
-
pointer to the parent bus of the pci device to read from
- devfn
-
the device / function of the pci device to read from
- where
-
the location on the pci address space to read from
- value
-
pointer to where to place the data read
DESCRIPTION
Like pci_read_config_dword but works for pci devices that do not have a
pci_dev structure set up yet.
Returns 0 on success.
Index
- NAME
-
- SYNOPSIS
-
- ARGUMENTS
-
- DESCRIPTION
-
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