dma: remove external references to dma_supported

Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Cc: Alan Stern <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Christoph Hellwig 2015-11-09 14:58:18 -08:00 • committed by Linus Torvalds
commit 0e77acef8e
4 changed files with 3 additions and 16 deletions

View file

@ -589,7 +589,7 @@ static int ehci_run (struct usb_hcd *hcd)
* streaming mappings for I/O buffers, like pci_map_single(),
* can return segments above 4GB, if the device allows.
*
* NOTE: the dma mask is visible through dma_supported(), so
* NOTE: the dma mask is visible through dev->dma_mask, so
* drivers can pass this info along ... like NETIF_F_HIGHDMA,
* Scsi_Host.highmem_io, and so forth. It's readonly to all
* host side drivers though.

View file

@ -5063,7 +5063,7 @@ static int fotg210_run(struct usb_hcd *hcd)
* streaming mappings for I/O buffers, like pci_map_single(),
* can return segments above 4GB, if the device allows.
*
* NOTE: the dma mask is visible through dma_supported(), so
* NOTE: the dma mask is visible through dev->dma_mask, so
* drivers can pass this info along ... like NETIF_F_HIGHDMA,
* Scsi_Host.highmem_io, and so forth. It's readonly to all
* host side drivers though.

View file

@ -2721,7 +2721,7 @@ static int oxu_run(struct usb_hcd *hcd)
* streaming mappings for I/O buffers, like pci_map_single(),
* can return segments above 4GB, if the device allows.
*
* NOTE: the dma mask is visible through dma_supported(), so
* NOTE: the dma mask is visible through dev->dma_mask, so
* drivers can pass this info along ... like NETIF_F_HIGHDMA,
* Scsi_Host.highmem_io, and so forth. It's readonly to all
* host side drivers though.