diff options
Diffstat (limited to 'Documentation/pci.txt')
| -rw-r--r-- | Documentation/pci.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/pci.txt b/Documentation/pci.txt index d38261b6790..7754f5aea4e 100644 --- a/Documentation/pci.txt +++ b/Documentation/pci.txt @@ -113,9 +113,6 @@ initialization with a pointer to a structure describing the driver (Please see Documentation/power/pci.txt for descriptions of PCI Power Management and the related functions.) - enable_wake Enable device to generate wake events from a low power - state. - shutdown Hook into reboot_notifier_list (kernel/sys.c). Intended to stop any idling DMA operations. Useful for enabling wake-on-lan (NIC) or changing @@ -299,7 +296,10 @@ If the PCI device can use the PCI Memory-Write-Invalidate transaction, call pci_set_mwi(). This enables the PCI_COMMAND bit for Mem-Wr-Inval and also ensures that the cache line size register is set correctly. Check the return value of pci_set_mwi() as not all architectures -or chip-sets may support Memory-Write-Invalidate. +or chip-sets may support Memory-Write-Invalidate. Alternatively, +if Mem-Wr-Inval would be nice to have but is not required, call +pci_try_set_mwi() to have the system do its best effort at enabling +Mem-Wr-Inval. 3.2 Request MMIO/IOP resources |