diff options
| author | Alex Williamson <alex.williamson@redhat.com> | 2022-04-20 14:45:05 -0600 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-04-21 12:10:44 -0500 |
| commit | f21949c1496807571ed3d09ed22e0ebeaec3e643 (patch) | |
| tree | 4e66e87107b959a5cdabc31a4949dc819422b308 /Documentation/PCI | |
| parent | 3123109284176b1532874591f7c81f3837bbdc17 (diff) | |
PCI/doc: Update obsolete pci_set_dma_mask() references
The function is dma_set_mask(), fix a missed instance of the old
pci_set_dma_mask() and a reference to a function that doesn't exist.
Fixes: 05b0ebd06ae6 ("PCI/doc: cleanup references to the legacy PCI DMA API")
Link: https://lore.kernel.org/r/165048747271.2959320.13475081883467312497.stgit@omen
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'Documentation/PCI')
| -rw-r--r-- | Documentation/PCI/pci.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/PCI/pci.rst b/Documentation/PCI/pci.rst index 67a850b55617..cced568d78e9 100644 --- a/Documentation/PCI/pci.rst +++ b/Documentation/PCI/pci.rst @@ -273,12 +273,12 @@ Set the DMA mask size While all drivers should explicitly indicate the DMA capability (e.g. 32 or 64 bit) of the PCI bus master, devices with more than 32-bit bus master capability for streaming data need the driver -to "register" this capability by calling pci_set_dma_mask() with +to "register" this capability by calling dma_set_mask() with appropriate parameters. In general this allows more efficient DMA on systems where System RAM exists above 4G _physical_ address. Drivers for all PCI-X and PCIe compliant devices must call -set_dma_mask() as they are 64-bit DMA devices. +dma_set_mask() as they are 64-bit DMA devices. Similarly, drivers must also "register" this capability if the device can directly address "coherent memory" in System RAM above 4G physical |