__pci_reset_function man page on Scientific

__pci_reset_function man page on Scientific

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__PCI_RESET_FUNCTION(9)	      Hardware Interfaces      __PCI_RESET_FUNCTION(9)

NAME
       __pci_reset_function - reset a PCI device function

SYNOPSIS
       int __pci_reset_function(struct pci_dev * dev);

ARGUMENTS
       dev
	   PCI device to reset

DESCRIPTION
       Some devices allow an individual function to be reset without affecting
       other functions in the same device. The PCI device must be responsive
       to PCI config space in order to use this function.

       The device function is presumed to be unused when this function is
       called. Resetting the device will make the contents of PCI
       configuration space random, so any caller of this must be prepared to
       reinitialise the device including MSI, bus mastering, BARs, decoding IO
       and memory spaces, etc.

       Returns 0 if the device function was successfully reset or negative if
       the device doesn´t support resetting a single function.

COPYRIGHT
Kernel Hackers Manual 2.6.	 November 2013	       __PCI_RESET_FUNCTION(9)

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