diff options
| author | Christoph Hellwig <hch@lst.de> | 2015-10-22 09:13:24 +1100 |
|---|---|---|
| committer | Stephen Rothwell <sfr@canb.auug.org.au> | 2015-11-09 13:36:38 +1100 |
| commit | 77bb0d7a7d8eddfa4272a7313bc142427ba8f61c (patch) | |
| tree | 8d42612211291508e3ab399d3b6904a093ab1ebd | |
| parent | 1abca05dd1587a1f8aa7a407332a334a80a90013 (diff) | |
dma: remove external references to dma_supported
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | Documentation/DMA-API.txt | 13 | ||||
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/fotg210-hcd.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/oxu210hp-hcd.c | 2 |
4 files changed, 3 insertions, 16 deletions
diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index 8d065d6ec956..1e98a7e6bccc 100644 --- a/Documentation/DMA-API.txt +++ b/Documentation/DMA-API.txt @@ -142,19 +142,6 @@ Part Ic - DMA addressing limitations ------------------------------------ int -dma_supported(struct device *dev, u64 mask) - -Checks to see if the device can support DMA to the memory described by -mask. - -Returns: 1 if it can and 0 if it can't. - -Notes: This routine merely tests to see if the mask is possible. It -won't change the current mask settings. It is more intended as an -internal API for use by the platform than an external API for use by -driver writers. - -int dma_set_mask_and_coherent(struct device *dev, u64 mask) Checks to see if the mask is possible and updates the device diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index c63d82c91f10..48c92bf78bd0 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -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. diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 787f4e3d16d8..2341af4f3490 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -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. diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c index fe3bd1cb8b6b..1f139d82cee0 100644 --- a/drivers/usb/host/oxu210hp-hcd.c +++ b/drivers/usb/host/oxu210hp-hcd.c @@ -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. |