diff options
-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. |